Ignore:
Timestamp:
Aug 26, 2011, 8:05:58 AM (8 years ago)
Author:
julian.reschke@…
Message:

section reorg (in anticipation of #231)

File:
1 edited

Legend:

Unmodified
Added
Removed

  • draft-ietf-httpbis/latest/p2-semantics.html

    r1415 r1416  
    383383      <link rel="Chapter" title="1 Introduction" href="#rfc.section.1">
    384384      <link rel="Chapter" title="2 Method" href="#rfc.section.2">
    385       <link rel="Chapter" title="3 Request Header Fields" href="#rfc.section.3">
     385      <link rel="Chapter" title="3 Header Fields" href="#rfc.section.3">
    386386      <link rel="Chapter" title="4 Status Code and Reason Phrase" href="#rfc.section.4">
    387       <link rel="Chapter" title="5 Response Header Fields" href="#rfc.section.5">
    388       <link rel="Chapter" title="6 Representation" href="#rfc.section.6">
    389       <link rel="Chapter" title="7 Method Definitions" href="#rfc.section.7">
    390       <link rel="Chapter" title="8 Status Code Definitions" href="#rfc.section.8">
    391       <link rel="Chapter" title="9 Header Field Definitions" href="#rfc.section.9">
    392       <link rel="Chapter" title="10 IANA Considerations" href="#rfc.section.10">
    393       <link rel="Chapter" title="11 Security Considerations" href="#rfc.section.11">
    394       <link rel="Chapter" title="12 Acknowledgments" href="#rfc.section.12">
    395       <link rel="Chapter" href="#rfc.section.13" title="13 References">
     387      <link rel="Chapter" title="5 Representation" href="#rfc.section.5">
     388      <link rel="Chapter" title="6 Method Definitions" href="#rfc.section.6">
     389      <link rel="Chapter" title="7 Status Code Definitions" href="#rfc.section.7">
     390      <link rel="Chapter" title="8 Header Field Definitions" href="#rfc.section.8">
     391      <link rel="Chapter" title="9 IANA Considerations" href="#rfc.section.9">
     392      <link rel="Chapter" title="10 Security Considerations" href="#rfc.section.10">
     393      <link rel="Chapter" title="11 Acknowledgments" href="#rfc.section.11">
     394      <link rel="Chapter" href="#rfc.section.12" title="12 References">
    396395      <link rel="Appendix" title="A Changes from RFC 2616" href="#rfc.section.A">
    397396      <link rel="Appendix" title="B Collected ABNF" href="#rfc.section.B">
    … …  
    558557            </ul>
    559558         </li>
    560          <li>3.&nbsp;&nbsp;&nbsp;<a href="#request.header.fields">Request Header Fields</a></li>
     559         <li>3.&nbsp;&nbsp;&nbsp;<a href="#header.fields">Header Fields</a><ul>
     560               <li>3.1&nbsp;&nbsp;&nbsp;<a href="#request.header.fields">Request Header Fields</a></li>
     561               <li>3.2&nbsp;&nbsp;&nbsp;<a href="#response.header.fields">Response Header Fields</a></li>
     562            </ul>
     563         </li>
    561564         <li>4.&nbsp;&nbsp;&nbsp;<a href="#status.code.and.reason.phrase">Status Code and Reason Phrase</a><ul>
    562565               <li>4.1&nbsp;&nbsp;&nbsp;<a href="#overview.of.status.codes">Overview of Status Codes</a></li>
    … …  
    567570            </ul>
    568571         </li>
    569          <li>5.&nbsp;&nbsp;&nbsp;<a href="#response.header.fields">Response Header Fields</a></li>
    570          <li>6.&nbsp;&nbsp;&nbsp;<a href="#representation">Representation</a><ul>
    571                <li>6.1&nbsp;&nbsp;&nbsp;<a href="#identifying.response.associated.with.representation">Identifying the Resource Associated with a Representation</a></li>
     572         <li>5.&nbsp;&nbsp;&nbsp;<a href="#representation">Representation</a><ul>
     573               <li>5.1&nbsp;&nbsp;&nbsp;<a href="#identifying.response.associated.with.representation">Identifying the Resource Associated with a Representation</a></li>
    572574            </ul>
    573575         </li>
    574          <li>7.&nbsp;&nbsp;&nbsp;<a href="#method.definitions">Method Definitions</a><ul>
    575                <li>7.1&nbsp;&nbsp;&nbsp;<a href="#safe.and.idempotent">Safe and Idempotent Methods</a><ul>
    576                      <li>7.1.1&nbsp;&nbsp;&nbsp;<a href="#safe.methods">Safe Methods</a></li>
    577                      <li>7.1.2&nbsp;&nbsp;&nbsp;<a href="#idempotent.methods">Idempotent Methods</a></li>
     576         <li>6.&nbsp;&nbsp;&nbsp;<a href="#method.definitions">Method Definitions</a><ul>
     577               <li>6.1&nbsp;&nbsp;&nbsp;<a href="#safe.and.idempotent">Safe and Idempotent Methods</a><ul>
     578                     <li>6.1.1&nbsp;&nbsp;&nbsp;<a href="#safe.methods">Safe Methods</a></li>
     579                     <li>6.1.2&nbsp;&nbsp;&nbsp;<a href="#idempotent.methods">Idempotent Methods</a></li>
    578580                  </ul>
    579581               </li>
    580                <li>7.2&nbsp;&nbsp;&nbsp;<a href="#OPTIONS">OPTIONS</a></li>
    581                <li>7.3&nbsp;&nbsp;&nbsp;<a href="#GET">GET</a></li>
    582                <li>7.4&nbsp;&nbsp;&nbsp;<a href="#HEAD">HEAD</a></li>
    583                <li>7.5&nbsp;&nbsp;&nbsp;<a href="#POST">POST</a></li>
    584                <li>7.6&nbsp;&nbsp;&nbsp;<a href="#PUT">PUT</a></li>
    585                <li>7.7&nbsp;&nbsp;&nbsp;<a href="#DELETE">DELETE</a></li>
    586                <li>7.8&nbsp;&nbsp;&nbsp;<a href="#TRACE">TRACE</a></li>
    587                <li>7.9&nbsp;&nbsp;&nbsp;<a href="#CONNECT">CONNECT</a><ul>
    588                      <li>7.9.1&nbsp;&nbsp;&nbsp;<a href="#rfc.section.7.9.1">Establishing a Tunnel with CONNECT</a></li>
     582               <li>6.2&nbsp;&nbsp;&nbsp;<a href="#OPTIONS">OPTIONS</a></li>
     583               <li>6.3&nbsp;&nbsp;&nbsp;<a href="#GET">GET</a></li>
     584               <li>6.4&nbsp;&nbsp;&nbsp;<a href="#HEAD">HEAD</a></li>
     585               <li>6.5&nbsp;&nbsp;&nbsp;<a href="#POST">POST</a></li>
     586               <li>6.6&nbsp;&nbsp;&nbsp;<a href="#PUT">PUT</a></li>
     587               <li>6.7&nbsp;&nbsp;&nbsp;<a href="#DELETE">DELETE</a></li>
     588               <li>6.8&nbsp;&nbsp;&nbsp;<a href="#TRACE">TRACE</a></li>
     589               <li>6.9&nbsp;&nbsp;&nbsp;<a href="#CONNECT">CONNECT</a><ul>
     590                     <li>6.9.1&nbsp;&nbsp;&nbsp;<a href="#rfc.section.6.9.1">Establishing a Tunnel with CONNECT</a></li>
    589591                  </ul>
    590592               </li>
    591593            </ul>
    592594         </li>
    593          <li>8.&nbsp;&nbsp;&nbsp;<a href="#status.codes">Status Code Definitions</a><ul>
    594                <li>8.1&nbsp;&nbsp;&nbsp;<a href="#status.1xx">Informational 1xx</a><ul>
    595                      <li>8.1.1&nbsp;&nbsp;&nbsp;<a href="#status.100">100 Continue</a></li>
    596                      <li>8.1.2&nbsp;&nbsp;&nbsp;<a href="#status.101">101 Switching Protocols</a></li>
     595         <li>7.&nbsp;&nbsp;&nbsp;<a href="#status.codes">Status Code Definitions</a><ul>
     596               <li>7.1&nbsp;&nbsp;&nbsp;<a href="#status.1xx">Informational 1xx</a><ul>
     597                     <li>7.1.1&nbsp;&nbsp;&nbsp;<a href="#status.100">100 Continue</a></li>
     598                     <li>7.1.2&nbsp;&nbsp;&nbsp;<a href="#status.101">101 Switching Protocols</a></li>
    597599                  </ul>
    598600               </li>
    599                <li>8.2&nbsp;&nbsp;&nbsp;<a href="#status.2xx">Successful 2xx</a><ul>
    600                      <li>8.2.1&nbsp;&nbsp;&nbsp;<a href="#status.200">200 OK</a></li>
    601                      <li>8.2.2&nbsp;&nbsp;&nbsp;<a href="#status.201">201 Created</a></li>
    602                      <li>8.2.3&nbsp;&nbsp;&nbsp;<a href="#status.202">202 Accepted</a></li>
    603                      <li>8.2.4&nbsp;&nbsp;&nbsp;<a href="#status.203">203 Non-Authoritative Information</a></li>
    604                      <li>8.2.5&nbsp;&nbsp;&nbsp;<a href="#status.204">204 No Content</a></li>
    605                      <li>8.2.6&nbsp;&nbsp;&nbsp;<a href="#status.205">205 Reset Content</a></li>
    606                      <li>8.2.7&nbsp;&nbsp;&nbsp;<a href="#status.206">206 Partial Content</a></li>
     601               <li>7.2&nbsp;&nbsp;&nbsp;<a href="#status.2xx">Successful 2xx</a><ul>
     602                     <li>7.2.1&nbsp;&nbsp;&nbsp;<a href="#status.200">200 OK</a></li>
     603                     <li>7.2.2&nbsp;&nbsp;&nbsp;<a href="#status.201">201 Created</a></li>
     604                     <li>7.2.3&nbsp;&nbsp;&nbsp;<a href="#status.202">202 Accepted</a></li>
     605                     <li>7.2.4&nbsp;&nbsp;&nbsp;<a href="#status.203">203 Non-Authoritative Information</a></li>
     606                     <li>7.2.5&nbsp;&nbsp;&nbsp;<a href="#status.204">204 No Content</a></li>
     607                     <li>7.2.6&nbsp;&nbsp;&nbsp;<a href="#status.205">205 Reset Content</a></li>
     608                     <li>7.2.7&nbsp;&nbsp;&nbsp;<a href="#status.206">206 Partial Content</a></li>
    607609                  </ul>
    608610               </li>
    609                <li>8.3&nbsp;&nbsp;&nbsp;<a href="#status.3xx">Redirection 3xx</a><ul>
    610                      <li>8.3.1&nbsp;&nbsp;&nbsp;<a href="#status.300">300 Multiple Choices</a></li>
    611                      <li>8.3.2&nbsp;&nbsp;&nbsp;<a href="#status.301">301 Moved Permanently</a></li>
    612                      <li>8.3.3&nbsp;&nbsp;&nbsp;<a href="#status.302">302 Found</a></li>
    613                      <li>8.3.4&nbsp;&nbsp;&nbsp;<a href="#status.303">303 See Other</a></li>
    614                      <li>8.3.5&nbsp;&nbsp;&nbsp;<a href="#status.304">304 Not Modified</a></li>
    615                      <li>8.3.6&nbsp;&nbsp;&nbsp;<a href="#status.305">305 Use Proxy</a></li>
    616                      <li>8.3.7&nbsp;&nbsp;&nbsp;<a href="#status.306">306 (Unused)</a></li>
    617                      <li>8.3.8&nbsp;&nbsp;&nbsp;<a href="#status.307">307 Temporary Redirect</a></li>
     611               <li>7.3&nbsp;&nbsp;&nbsp;<a href="#status.3xx">Redirection 3xx</a><ul>
     612                     <li>7.3.1&nbsp;&nbsp;&nbsp;<a href="#status.300">300 Multiple Choices</a></li>
     613                     <li>7.3.2&nbsp;&nbsp;&nbsp;<a href="#status.301">301 Moved Permanently</a></li>
     614                     <li>7.3.3&nbsp;&nbsp;&nbsp;<a href="#status.302">302 Found</a></li>
     615                     <li>7.3.4&nbsp;&nbsp;&nbsp;<a href="#status.303">303 See Other</a></li>
     616                     <li>7.3.5&nbsp;&nbsp;&nbsp;<a href="#status.304">304 Not Modified</a></li>
     617                     <li>7.3.6&nbsp;&nbsp;&nbsp;<a href="#status.305">305 Use Proxy</a></li>
     618                     <li>7.3.7&nbsp;&nbsp;&nbsp;<a href="#status.306">306 (Unused)</a></li>
     619                     <li>7.3.8&nbsp;&nbsp;&nbsp;<a href="#status.307">307 Temporary Redirect</a></li>
    618620                  </ul>
    619621               </li>
    620                <li>8.4&nbsp;&nbsp;&nbsp;<a href="#status.4xx">Client Error 4xx</a><ul>
    621                      <li>8.4.1&nbsp;&nbsp;&nbsp;<a href="#status.400">400 Bad Request</a></li>
    622                      <li>8.4.2&nbsp;&nbsp;&nbsp;<a href="#status.401">401 Unauthorized</a></li>
    623                      <li>8.4.3&nbsp;&nbsp;&nbsp;<a href="#status.402">402 Payment Required</a></li>
    624                      <li>8.4.4&nbsp;&nbsp;&nbsp;<a href="#status.403">403 Forbidden</a></li>
    625                      <li>8.4.5&nbsp;&nbsp;&nbsp;<a href="#status.404">404 Not Found</a></li>
    626                      <li>8.4.6&nbsp;&nbsp;&nbsp;<a href="#status.405">405 Method Not Allowed</a></li>
    627                      <li>8.4.7&nbsp;&nbsp;&nbsp;<a href="#status.406">406 Not Acceptable</a></li>
    628                      <li>8.4.8&nbsp;&nbsp;&nbsp;<a href="#status.407">407 Proxy Authentication Required</a></li>
    629                      <li>8.4.9&nbsp;&nbsp;&nbsp;<a href="#status.408">408 Request Timeout</a></li>
    630                      <li>8.4.10&nbsp;&nbsp;&nbsp;<a href="#status.409">409 Conflict</a></li>
    631                      <li>8.4.11&nbsp;&nbsp;&nbsp;<a href="#status.410">410 Gone</a></li>
    632                      <li>8.4.12&nbsp;&nbsp;&nbsp;<a href="#status.411">411 Length Required</a></li>
    633                      <li>8.4.13&nbsp;&nbsp;&nbsp;<a href="#status.412">412 Precondition Failed</a></li>
    634                      <li>8.4.14&nbsp;&nbsp;&nbsp;<a href="#status.413">413 Request Representation Too Large</a></li>
    635                      <li>8.4.15&nbsp;&nbsp;&nbsp;<a href="#status.414">414 URI Too Long</a></li>
    636                      <li>8.4.16&nbsp;&nbsp;&nbsp;<a href="#status.415">415 Unsupported Media Type</a></li>
    637                      <li>8.4.17&nbsp;&nbsp;&nbsp;<a href="#status.416">416 Requested Range Not Satisfiable</a></li>
    638                      <li>8.4.18&nbsp;&nbsp;&nbsp;<a href="#status.417">417 Expectation Failed</a></li>
    639                      <li>8.4.19&nbsp;&nbsp;&nbsp;<a href="#status.426">426 Upgrade Required</a></li>
     622               <li>7.4&nbsp;&nbsp;&nbsp;<a href="#status.4xx">Client Error 4xx</a><ul>
     623                     <li>7.4.1&nbsp;&nbsp;&nbsp;<a href="#status.400">400 Bad Request</a></li>
     624                     <li>7.4.2&nbsp;&nbsp;&nbsp;<a href="#status.401">401 Unauthorized</a></li>
     625                     <li>7.4.3&nbsp;&nbsp;&nbsp;<a href="#status.402">402 Payment Required</a></li>
     626                     <li>7.4.4&nbsp;&nbsp;&nbsp;<a href="#status.403">403 Forbidden</a></li>
     627                     <li>7.4.5&nbsp;&nbsp;&nbsp;<a href="#status.404">404 Not Found</a></li>
     628                     <li>7.4.6&nbsp;&nbsp;&nbsp;<a href="#status.405">405 Method Not Allowed</a></li>
     629                     <li>7.4.7&nbsp;&nbsp;&nbsp;<a href="#status.406">406 Not Acceptable</a></li>
     630                     <li>7.4.8&nbsp;&nbsp;&nbsp;<a href="#status.407">407 Proxy Authentication Required</a></li>
     631                     <li>7.4.9&nbsp;&nbsp;&nbsp;<a href="#status.408">408 Request Timeout</a></li>
     632                     <li>7.4.10&nbsp;&nbsp;&nbsp;<a href="#status.409">409 Conflict</a></li>
     633                     <li>7.4.11&nbsp;&nbsp;&nbsp;<a href="#status.410">410 Gone</a></li>
     634                     <li>7.4.12&nbsp;&nbsp;&nbsp;<a href="#status.411">411 Length Required</a></li>
     635                     <li>7.4.13&nbsp;&nbsp;&nbsp;<a href="#status.412">412 Precondition Failed</a></li>
     636                     <li>7.4.14&nbsp;&nbsp;&nbsp;<a href="#status.413">413 Request Representation Too Large</a></li>
     637                     <li>7.4.15&nbsp;&nbsp;&nbsp;<a href="#status.414">414 URI Too Long</a></li>
     638                     <li>7.4.16&nbsp;&nbsp;&nbsp;<a href="#status.415">415 Unsupported Media Type</a></li>
     639                     <li>7.4.17&nbsp;&nbsp;&nbsp;<a href="#status.416">416 Requested Range Not Satisfiable</a></li>
     640                     <li>7.4.18&nbsp;&nbsp;&nbsp;<a href="#status.417">417 Expectation Failed</a></li>
     641                     <li>7.4.19&nbsp;&nbsp;&nbsp;<a href="#status.426">426 Upgrade Required</a></li>
    640642                  </ul>
    641643               </li>
    642                <li>8.5&nbsp;&nbsp;&nbsp;<a href="#status.5xx">Server Error 5xx</a><ul>
    643                      <li>8.5.1&nbsp;&nbsp;&nbsp;<a href="#status.500">500 Internal Server Error</a></li>
    644                      <li>8.5.2&nbsp;&nbsp;&nbsp;<a href="#status.501">501 Not Implemented</a></li>
    645                      <li>8.5.3&nbsp;&nbsp;&nbsp;<a href="#status.502">502 Bad Gateway</a></li>
    646                      <li>8.5.4&nbsp;&nbsp;&nbsp;<a href="#status.503">503 Service Unavailable</a></li>
    647                      <li>8.5.5&nbsp;&nbsp;&nbsp;<a href="#status.504">504 Gateway Timeout</a></li>
    648                      <li>8.5.6&nbsp;&nbsp;&nbsp;<a href="#status.505">505 HTTP Version Not Supported</a></li>
     644               <li>7.5&nbsp;&nbsp;&nbsp;<a href="#status.5xx">Server Error 5xx</a><ul>
     645                     <li>7.5.1&nbsp;&nbsp;&nbsp;<a href="#status.500">500 Internal Server Error</a></li>
     646                     <li>7.5.2&nbsp;&nbsp;&nbsp;<a href="#status.501">501 Not Implemented</a></li>
     647                     <li>7.5.3&nbsp;&nbsp;&nbsp;<a href="#status.502">502 Bad Gateway</a></li>
     648                     <li>7.5.4&nbsp;&nbsp;&nbsp;<a href="#status.503">503 Service Unavailable</a></li>
     649                     <li>7.5.5&nbsp;&nbsp;&nbsp;<a href="#status.504">504 Gateway Timeout</a></li>
     650                     <li>7.5.6&nbsp;&nbsp;&nbsp;<a href="#status.505">505 HTTP Version Not Supported</a></li>
    649651                  </ul>
    650652               </li>
    651653            </ul>
    652654         </li>
    653          <li>9.&nbsp;&nbsp;&nbsp;<a href="#header.field.definitions">Header Field Definitions</a><ul>
    654                <li>9.1&nbsp;&nbsp;&nbsp;<a href="#header.allow">Allow</a></li>
    655                <li>9.2&nbsp;&nbsp;&nbsp;<a href="#header.expect">Expect</a></li>
    656                <li>9.3&nbsp;&nbsp;&nbsp;<a href="#header.from">From</a></li>
    657                <li>9.4&nbsp;&nbsp;&nbsp;<a href="#header.location">Location</a></li>
    658                <li>9.5&nbsp;&nbsp;&nbsp;<a href="#header.max-forwards">Max-Forwards</a></li>
    659                <li>9.6&nbsp;&nbsp;&nbsp;<a href="#header.referer">Referer</a></li>
    660                <li>9.7&nbsp;&nbsp;&nbsp;<a href="#header.retry-after">Retry-After</a></li>
    661                <li>9.8&nbsp;&nbsp;&nbsp;<a href="#header.server">Server</a></li>
    662                <li>9.9&nbsp;&nbsp;&nbsp;<a href="#header.user-agent">User-Agent</a></li>
     655         <li>8.&nbsp;&nbsp;&nbsp;<a href="#header.field.definitions">Header Field Definitions</a><ul>
     656               <li>8.1&nbsp;&nbsp;&nbsp;<a href="#header.allow">Allow</a></li>
     657               <li>8.2&nbsp;&nbsp;&nbsp;<a href="#header.expect">Expect</a></li>
     658               <li>8.3&nbsp;&nbsp;&nbsp;<a href="#header.from">From</a></li>
     659               <li>8.4&nbsp;&nbsp;&nbsp;<a href="#header.location">Location</a></li>
     660               <li>8.5&nbsp;&nbsp;&nbsp;<a href="#header.max-forwards">Max-Forwards</a></li>
     661               <li>8.6&nbsp;&nbsp;&nbsp;<a href="#header.referer">Referer</a></li>
     662               <li>8.7&nbsp;&nbsp;&nbsp;<a href="#header.retry-after">Retry-After</a></li>
     663               <li>8.8&nbsp;&nbsp;&nbsp;<a href="#header.server">Server</a></li>
     664               <li>8.9&nbsp;&nbsp;&nbsp;<a href="#header.user-agent">User-Agent</a></li>
    663665            </ul>
    664666         </li>
    665          <li>10.&nbsp;&nbsp;&nbsp;<a href="#IANA.considerations">IANA Considerations</a><ul>
    666                <li>10.1&nbsp;&nbsp;&nbsp;<a href="#method.registration">Method Registry</a></li>
    667                <li>10.2&nbsp;&nbsp;&nbsp;<a href="#status.code.registration">Status Code Registry</a></li>
    668                <li>10.3&nbsp;&nbsp;&nbsp;<a href="#header.field.registration">Header Field Registration</a></li>
     667         <li>9.&nbsp;&nbsp;&nbsp;<a href="#IANA.considerations">IANA Considerations</a><ul>
     668               <li>9.1&nbsp;&nbsp;&nbsp;<a href="#method.registration">Method Registry</a></li>
     669               <li>9.2&nbsp;&nbsp;&nbsp;<a href="#status.code.registration">Status Code Registry</a></li>
     670               <li>9.3&nbsp;&nbsp;&nbsp;<a href="#header.field.registration">Header Field Registration</a></li>
    669671            </ul>
    670672         </li>
    671          <li>11.&nbsp;&nbsp;&nbsp;<a href="#security.considerations">Security Considerations</a><ul>
    672                <li>11.1&nbsp;&nbsp;&nbsp;<a href="#security.sensitive">Transfer of Sensitive Information</a></li>
    673                <li>11.2&nbsp;&nbsp;&nbsp;<a href="#encoding.sensitive.information.in.uris">Encoding Sensitive Information in URIs</a></li>
    674                <li>11.3&nbsp;&nbsp;&nbsp;<a href="#location.spoofing">Location Headers and Spoofing</a></li>
    675                <li>11.4&nbsp;&nbsp;&nbsp;<a href="#rfc.section.11.4">Security Considerations for CONNECT</a></li>
     673         <li>10.&nbsp;&nbsp;&nbsp;<a href="#security.considerations">Security Considerations</a><ul>
     674               <li>10.1&nbsp;&nbsp;&nbsp;<a href="#security.sensitive">Transfer of Sensitive Information</a></li>
     675               <li>10.2&nbsp;&nbsp;&nbsp;<a href="#encoding.sensitive.information.in.uris">Encoding Sensitive Information in URIs</a></li>
     676               <li>10.3&nbsp;&nbsp;&nbsp;<a href="#location.spoofing">Location Headers and Spoofing</a></li>
     677               <li>10.4&nbsp;&nbsp;&nbsp;<a href="#rfc.section.10.4">Security Considerations for CONNECT</a></li>
    676678            </ul>
    677679         </li>
    678          <li>12.&nbsp;&nbsp;&nbsp;<a href="#acks">Acknowledgments</a></li>
    679          <li>13.&nbsp;&nbsp;&nbsp;<a href="#rfc.references">References</a><ul>
    680                <li>13.1&nbsp;&nbsp;&nbsp;<a href="#rfc.references.1">Normative References</a></li>
    681                <li>13.2&nbsp;&nbsp;&nbsp;<a href="#rfc.references.2">Informative References</a></li>
     680         <li>11.&nbsp;&nbsp;&nbsp;<a href="#acks">Acknowledgments</a></li>
     681         <li>12.&nbsp;&nbsp;&nbsp;<a href="#rfc.references">References</a><ul>
     682               <li>12.1&nbsp;&nbsp;&nbsp;<a href="#rfc.references.1">Normative References</a></li>
     683               <li>12.2&nbsp;&nbsp;&nbsp;<a href="#rfc.references.2">Informative References</a></li>
    682684            </ul>
    683685         </li>
    … …  
    756758      </p>
    757759      <div id="rfc.figure.u.3"></div><pre class="inline"><span id="rfc.iref.g.1"></span>  <a href="#method" class="smpl">Method</a>         = <a href="#core.rules" class="smpl">token</a>
    758 </pre><p id="rfc.section.2.p.3">The list of methods allowed by a resource can be specified in an Allow header field (<a href="#header.allow" id="rfc.xref.header.allow.1" title="Allow">Section&nbsp;9.1</a>). The status code of the response always notifies the client whether a method is currently allowed on a resource, since the
     760</pre><p id="rfc.section.2.p.3">The list of methods allowed by a resource can be specified in an Allow header field (<a href="#header.allow" id="rfc.xref.header.allow.1" title="Allow">Section&nbsp;8.1</a>). The status code of the response always notifies the client whether a method is currently allowed on a resource, since the
    759761         set of allowed methods can change dynamically. An origin server <em class="bcp14">SHOULD</em> respond with the status code 405 (Method Not Allowed) if the method is known by the origin server but not allowed for the
    760762         resource, and 501 (Not Implemented) if the method is unrecognized or not implemented by the origin server. The methods GET
    761          and HEAD <em class="bcp14">MUST</em> be supported by all general-purpose servers. All other methods are <em class="bcp14">OPTIONAL</em>; however, if the above methods are implemented, they <em class="bcp14">MUST</em> be implemented with the same semantics as those specified in <a href="#method.definitions" title="Method Definitions">Section&nbsp;7</a>.
     763         and HEAD <em class="bcp14">MUST</em> be supported by all general-purpose servers. All other methods are <em class="bcp14">OPTIONAL</em>; however, if the above methods are implemented, they <em class="bcp14">MUST</em> be implemented with the same semantics as those specified in <a href="#method.definitions" title="Method Definitions">Section&nbsp;6</a>.
    762764      </p>
    763765      <h2 id="rfc.section.2.1"><a href="#rfc.section.2.1">2.1</a>&nbsp;<a id="overview.of.methods" href="#overview.of.methods">Overview of Methods</a></h2>
    764       <p id="rfc.section.2.1.p.1">The methods listed below are defined in <a href="#method.definitions" title="Method Definitions">Section&nbsp;7</a>.
     766      <p id="rfc.section.2.1.p.1">The methods listed below are defined in <a href="#method.definitions" title="Method Definitions">Section&nbsp;6</a>.
    765767      </p>
    766768      <div id="rfc.table.u.1">
    … …  
    775777               <tr>
    776778                  <td class="left">OPTIONS</td>
    777                   <td class="left"><a href="#OPTIONS" id="rfc.xref.OPTIONS.1" title="OPTIONS">Section&nbsp;7.2</a></td>
     779                  <td class="left"><a href="#OPTIONS" id="rfc.xref.OPTIONS.1" title="OPTIONS">Section&nbsp;6.2</a></td>
    778780               </tr>
    779781               <tr>
    780782                  <td class="left">GET</td>
    781                   <td class="left"><a href="#GET" id="rfc.xref.GET.1" title="GET">Section&nbsp;7.3</a></td>
     783                  <td class="left"><a href="#GET" id="rfc.xref.GET.1" title="GET">Section&nbsp;6.3</a></td>
    782784               </tr>
    783785               <tr>
    784786                  <td class="left">HEAD</td>
    785                   <td class="left"><a href="#HEAD" id="rfc.xref.HEAD.1" title="HEAD">Section&nbsp;7.4</a></td>
     787                  <td class="left"><a href="#HEAD" id="rfc.xref.HEAD.1" title="HEAD">Section&nbsp;6.4</a></td>
    786788               </tr>
    787789               <tr>
    788790                  <td class="left">POST</td>
    789                   <td class="left"><a href="#POST" id="rfc.xref.POST.1" title="POST">Section&nbsp;7.5</a></td>
     791                  <td class="left"><a href="#POST" id="rfc.xref.POST.1" title="POST">Section&nbsp;6.5</a></td>
    790792               </tr>
    791793               <tr>
    792794                  <td class="left">PUT</td>
    793                   <td class="left"><a href="#PUT" id="rfc.xref.PUT.1" title="PUT">Section&nbsp;7.6</a></td>
     795                  <td class="left"><a href="#PUT" id="rfc.xref.PUT.1" title="PUT">Section&nbsp;6.6</a></td>
    794796               </tr>
    795797               <tr>
    796798                  <td class="left">DELETE</td>
    797                   <td class="left"><a href="#DELETE" id="rfc.xref.DELETE.1" title="DELETE">Section&nbsp;7.7</a></td>
     799                  <td class="left"><a href="#DELETE" id="rfc.xref.DELETE.1" title="DELETE">Section&nbsp;6.7</a></td>
    798800               </tr>
    799801               <tr>
    800802                  <td class="left">TRACE</td>
    801                   <td class="left"><a href="#TRACE" id="rfc.xref.TRACE.1" title="TRACE">Section&nbsp;7.8</a></td>
     803                  <td class="left"><a href="#TRACE" id="rfc.xref.TRACE.1" title="TRACE">Section&nbsp;6.8</a></td>
    802804               </tr>
    803805               <tr>
    804806                  <td class="left">CONNECT</td>
    805                   <td class="left"><a href="#CONNECT" id="rfc.xref.CONNECT.1" title="CONNECT">Section&nbsp;7.9</a></td>
     807                  <td class="left"><a href="#CONNECT" id="rfc.xref.CONNECT.1" title="CONNECT">Section&nbsp;6.9</a></td>
    806808               </tr>
    807809            </tbody>
    … …  
    816818         <li>Method Name (see <a href="#method" title="Method">Section&nbsp;2</a>)
    817819         </li>
    818          <li>Safe ("yes" or "no", see <a href="#safe.methods" title="Safe Methods">Section&nbsp;7.1.1</a>)
     820         <li>Safe ("yes" or "no", see <a href="#safe.methods" title="Safe Methods">Section&nbsp;6.1.1</a>)
    819821         </li>
    820822         <li>Pointer to specification text</li>
    … …  
    836838         can specify that only zero-length bodies (as opposed to absent bodies) are allowed.
    837839      </p>
    838       <p id="rfc.section.2.2.1.p.4">New method definitions need to indicate whether they are safe (<a href="#safe.methods" title="Safe Methods">Section&nbsp;7.1.1</a>), what semantics (if any) the request body has, and whether they are idempotent (<a href="#idempotent.methods" title="Idempotent Methods">Section&nbsp;7.1.2</a>). They also need to state whether they can be cached (<a href="#Part6" id="rfc.xref.Part6.1"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>); in particular what conditions a cache may store the response, and under what conditions such a stored response may be used
     840      <p id="rfc.section.2.2.1.p.4">New method definitions need to indicate whether they are safe (<a href="#safe.methods" title="Safe Methods">Section&nbsp;6.1.1</a>), what semantics (if any) the request body has, and whether they are idempotent (<a href="#idempotent.methods" title="Idempotent Methods">Section&nbsp;6.1.2</a>). They also need to state whether they can be cached (<a href="#Part6" id="rfc.xref.Part6.1"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>); in particular what conditions a cache may store the response, and under what conditions such a stored response may be used
    839841         to satisfy a subsequent request.
    840842      </p>
    841       <h1 id="rfc.section.3"><a href="#rfc.section.3">3.</a>&nbsp;<a id="request.header.fields" href="#request.header.fields">Request Header Fields</a></h1>
    842       <p id="rfc.section.3.p.1">The request header fields allow the client to pass additional information about the request, and about the client itself,
     843      <h1 id="rfc.section.3"><a href="#rfc.section.3">3.</a>&nbsp;<a id="header.fields" href="#header.fields">Header Fields</a></h1>
     844      <h2 id="rfc.section.3.1"><a href="#rfc.section.3.1">3.1</a>&nbsp;<a id="request.header.fields" href="#request.header.fields">Request Header Fields</a></h2>
     845      <p id="rfc.section.3.1.p.1">The request header fields allow the client to pass additional information about the request, and about the client itself,
    843846         to the server. These fields act as request modifiers, with semantics equivalent to the parameters on a programming language
    844847         method invocation.
    … …  
    875878               <tr>
    876879                  <td class="left">Expect</td>
    877                   <td class="left"><a href="#header.expect" id="rfc.xref.header.expect.1" title="Expect">Section&nbsp;9.2</a></td>
     880                  <td class="left"><a href="#header.expect" id="rfc.xref.header.expect.1" title="Expect">Section&nbsp;8.2</a></td>
    878881               </tr>
    879882               <tr>
    880883                  <td class="left">From</td>
    881                   <td class="left"><a href="#header.from" id="rfc.xref.header.from.1" title="From">Section&nbsp;9.3</a></td>
     884                  <td class="left"><a href="#header.from" id="rfc.xref.header.from.1" title="From">Section&nbsp;8.3</a></td>
    882885               </tr>
    883886               <tr>
    … …  
    907910               <tr>
    908911                  <td class="left">Max-Forwards</td>
    909                   <td class="left"><a href="#header.max-forwards" id="rfc.xref.header.max-forwards.1" title="Max-Forwards">Section&nbsp;9.5</a></td>
     912                  <td class="left"><a href="#header.max-forwards" id="rfc.xref.header.max-forwards.1" title="Max-Forwards">Section&nbsp;8.5</a></td>
    910913               </tr>
    911914               <tr>
    … …  
    919922               <tr>
    920923                  <td class="left">Referer</td>
    921                   <td class="left"><a href="#header.referer" id="rfc.xref.header.referer.1" title="Referer">Section&nbsp;9.6</a></td>
     924                  <td class="left"><a href="#header.referer" id="rfc.xref.header.referer.1" title="Referer">Section&nbsp;8.6</a></td>
    922925               </tr>
    923926               <tr>
    … …  
    927930               <tr>
    928931                  <td class="left">User-Agent</td>
    929                   <td class="left"><a href="#header.user-agent" id="rfc.xref.header.user-agent.1" title="User-Agent">Section&nbsp;9.9</a></td>
     932                  <td class="left"><a href="#header.user-agent" id="rfc.xref.header.user-agent.1" title="User-Agent">Section&nbsp;8.9</a></td>
     933               </tr>
     934            </tbody>
     935         </table>
     936      </div>
     937      <h2 id="rfc.section.3.2"><a href="#rfc.section.3.2">3.2</a>&nbsp;<a id="response.header.fields" href="#response.header.fields">Response Header Fields</a></h2>
     938      <p id="rfc.section.3.2.p.1">The response header fields allow the server to pass additional information about the response which cannot be placed in the
     939         Status-Line. These header fields give information about the server and about further access to the target resource (<a href="p1-messaging.html#effective.request.uri" title="Effective Request URI">Section 4.3</a> of <a href="#Part1" id="rfc.xref.Part1.19"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>).
     940      </p>
     941      <div id="rfc.table.u.3">
     942         <table class="tt full left" cellpadding="3" cellspacing="0">
     943            <thead>
     944               <tr>
     945                  <th>Header Field Name</th>
     946                  <th>Defined in...</th>
     947               </tr>
     948            </thead>
     949            <tbody>
     950               <tr>
     951                  <td class="left">Accept-Ranges</td>
     952                  <td class="left"><a href="p5-range.html#header.accept-ranges" title="Accept-Ranges">Section 5.1</a> of <a href="#Part5" id="rfc.xref.Part5.3"><cite title="HTTP/1.1, part 5: Range Requests and Partial Responses">[Part5]</cite></a></td>
     953               </tr>
     954               <tr>
     955                  <td class="left">Age</td>
     956                  <td class="left"><a href="p6-cache.html#header.age" title="Age">Section 3.1</a> of <a href="#Part6" id="rfc.xref.Part6.2"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a></td>
     957               </tr>
     958               <tr>
     959                  <td class="left">Allow</td>
     960                  <td class="left"><a href="#header.allow" id="rfc.xref.header.allow.2" title="Allow">Section&nbsp;8.1</a></td>
     961               </tr>
     962               <tr>
     963                  <td class="left">ETag</td>
     964                  <td class="left"><a href="p4-conditional.html#header.etag" title="ETag">Section 2.3</a> of <a href="#Part4" id="rfc.xref.Part4.5"><cite title="HTTP/1.1, part 4: Conditional Requests">[Part4]</cite></a></td>
     965               </tr>
     966               <tr>
     967                  <td class="left">Location</td>
     968                  <td class="left"><a href="#header.location" id="rfc.xref.header.location.1" title="Location">Section&nbsp;8.4</a></td>
     969               </tr>
     970               <tr>
     971                  <td class="left">Proxy-Authenticate</td>
     972                  <td class="left"><a href="p7-auth.html#header.proxy-authenticate" title="Proxy-Authenticate">Section 4.2</a> of <a href="#Part7" id="rfc.xref.Part7.3"><cite title="HTTP/1.1, part 7: Authentication">[Part7]</cite></a></td>
     973               </tr>
     974               <tr>
     975                  <td class="left">Retry-After</td>
     976                  <td class="left"><a href="#header.retry-after" id="rfc.xref.header.retry-after.1" title="Retry-After">Section&nbsp;8.7</a></td>
     977               </tr>
     978               <tr>
     979                  <td class="left">Server</td>
     980                  <td class="left"><a href="#header.server" id="rfc.xref.header.server.1" title="Server">Section&nbsp;8.8</a></td>
     981               </tr>
     982               <tr>
     983                  <td class="left">Vary</td>
     984                  <td class="left"><a href="p6-cache.html#header.vary" title="Vary">Section 3.5</a> of <a href="#Part6" id="rfc.xref.Part6.3"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a></td>
     985               </tr>
     986               <tr>
     987                  <td class="left">WWW-Authenticate</td>
     988                  <td class="left"><a href="p7-auth.html#header.www-authenticate" title="WWW-Authenticate">Section 4.4</a> of <a href="#Part7" id="rfc.xref.Part7.4"><cite title="HTTP/1.1, part 7: Authentication">[Part7]</cite></a></td>
    930989               </tr>
    931990            </tbody>
    … …  
    9461005      </p>
    9471006      <h2 id="rfc.section.4.1"><a href="#rfc.section.4.1">4.1</a>&nbsp;<a id="overview.of.status.codes" href="#overview.of.status.codes">Overview of Status Codes</a></h2>
    948       <p id="rfc.section.4.1.p.1">The status codes listed below are defined in <a href="#status.codes" title="Status Code Definitions">Section&nbsp;8</a> of this specification, <a href="p4-conditional.html#status.code.definitions" title="Status Code Definitions">Section 4</a> of <a href="#Part4" id="rfc.xref.Part4.5"><cite title="HTTP/1.1, part 4: Conditional Requests">[Part4]</cite></a>, <a href="p5-range.html#status.code.definitions" title="Status Code Definitions">Section 3</a> of <a href="#Part5" id="rfc.xref.Part5.3"><cite title="HTTP/1.1, part 5: Range Requests and Partial Responses">[Part5]</cite></a>, and <a href="p7-auth.html#status.code.definitions" title="Status Code Definitions">Section 3</a> of <a href="#Part7" id="rfc.xref.Part7.3"><cite title="HTTP/1.1, part 7: Authentication">[Part7]</cite></a>. The reason phrases listed here are only recommendations — they can be replaced by local equivalents without affecting the
     1007      <p id="rfc.section.4.1.p.1">The status codes listed below are defined in <a href="#status.codes" title="Status Code Definitions">Section&nbsp;7</a> of this specification, <a href="p4-conditional.html#status.code.definitions" title="Status Code Definitions">Section 4</a> of <a href="#Part4" id="rfc.xref.Part4.6"><cite title="HTTP/1.1, part 4: Conditional Requests">[Part4]</cite></a>, <a href="p5-range.html#status.code.definitions" title="Status Code Definitions">Section 3</a> of <a href="#Part5" id="rfc.xref.Part5.4"><cite title="HTTP/1.1, part 5: Range Requests and Partial Responses">[Part5]</cite></a>, and <a href="p7-auth.html#status.code.definitions" title="Status Code Definitions">Section 3</a> of <a href="#Part7" id="rfc.xref.Part7.5"><cite title="HTTP/1.1, part 7: Authentication">[Part7]</cite></a>. The reason phrases listed here are only recommendations — they can be replaced by local equivalents without affecting the
    9491008         protocol.
    9501009      </p>
    951       <div id="rfc.table.u.3">
     1010      <div id="rfc.table.u.4">
    9521011         <table class="tt full left" cellpadding="3" cellspacing="0">
    9531012            <thead>
    … …  
    9621021                  <td class="left">100</td>
    9631022                  <td class="left">Continue</td>
    964                   <td class="left"><a href="#status.100" id="rfc.xref.status.100.1" title="100 Continue">Section&nbsp;8.1.1</a></td>
     1023                  <td class="left"><a href="#status.100" id="rfc.xref.status.100.1" title="100 Continue">Section&nbsp;7.1.1</a></td>
    9651024               </tr>
    9661025               <tr>
    9671026                  <td class="left">101</td>
    9681027                  <td class="left">Switching Protocols</td>
    969                   <td class="left"><a href="#status.101" id="rfc.xref.status.101.1" title="101 Switching Protocols">Section&nbsp;8.1.2</a></td>
     1028                  <td class="left"><a href="#status.101" id="rfc.xref.status.101.1" title="101 Switching Protocols">Section&nbsp;7.1.2</a></td>
    9701029               </tr>
    9711030               <tr>
    9721031                  <td class="left">200</td>
    9731032                  <td class="left">OK</td>
    974                   <td class="left"><a href="#status.200" id="rfc.xref.status.200.1" title="200 OK">Section&nbsp;8.2.1</a></td>
     1033                  <td class="left"><a href="#status.200" id="rfc.xref.status.200.1" title="200 OK">Section&nbsp;7.2.1</a></td>
    9751034               </tr>
    9761035               <tr>
    9771036                  <td class="left">201</td>
    9781037                  <td class="left">Created</td>
    979                   <td class="left"><a href="#status.201" id="rfc.xref.status.201.1" title="201 Created">Section&nbsp;8.2.2</a></td>
     1038                  <td class="left"><a href="#status.201" id="rfc.xref.status.201.1" title="201 Created">Section&nbsp;7.2.2</a></td>
    9801039               </tr>
    9811040               <tr>
    9821041                  <td class="left">202</td>
    9831042                  <td class="left">Accepted</td>
    984                   <td class="left"><a href="#status.202" id="rfc.xref.status.202.1" title="202 Accepted">Section&nbsp;8.2.3</a></td>
     1043                  <td class="left"><a href="#status.202" id="rfc.xref.status.202.1" title="202 Accepted">Section&nbsp;7.2.3</a></td>
    9851044               </tr>
    9861045               <tr>
    9871046                  <td class="left">203</td>
    9881047                  <td class="left">Non-Authoritative Information</td>
    989                   <td class="left"><a href="#status.203" id="rfc.xref.status.203.1" title="203 Non-Authoritative Information">Section&nbsp;8.2.4</a></td>
     1048                  <td class="left"><a href="#status.203" id="rfc.xref.status.203.1" title="203 Non-Authoritative Information">Section&nbsp;7.2.4</a></td>
    9901049               </tr>
    9911050               <tr>
    9921051                  <td class="left">204</td>
    9931052                  <td class="left">No Content</td>
    994                   <td class="left"><a href="#status.204" id="rfc.xref.status.204.1" title="204 No Content">Section&nbsp;8.2.5</a></td>
     1053                  <td class="left"><a href="#status.204" id="rfc.xref.status.204.1" title="204 No Content">Section&nbsp;7.2.5</a></td>
    9951054               </tr>
    9961055               <tr>
    9971056                  <td class="left">205</td>
    9981057                  <td class="left">Reset Content</td>
    999                   <td class="left"><a href="#status.205" id="rfc.xref.status.205.1" title="205 Reset Content">Section&nbsp;8.2.6</a></td>
     1058                  <td class="left"><a href="#status.205" id="rfc.xref.status.205.1" title="205 Reset Content">Section&nbsp;7.2.6</a></td>
    10001059               </tr>
    10011060               <tr>
    10021061                  <td class="left">206</td>
    10031062                  <td class="left">Partial Content</td>
    1004                   <td class="left"><a href="p5-range.html#status.206" title="206 Partial Content">Section 3.1</a> of <a href="#Part5" id="rfc.xref.Part5.4"><cite title="HTTP/1.1, part 5: Range Requests and Partial Responses">[Part5]</cite></a></td>
     1063                  <td class="left"><a href="p5-range.html#status.206" title="206 Partial Content">Section 3.1</a> of <a href="#Part5" id="rfc.xref.Part5.5"><cite title="HTTP/1.1, part 5: Range Requests and Partial Responses">[Part5]</cite></a></td>
    10051064               </tr>
    10061065               <tr>
    10071066                  <td class="left">300</td>
    10081067                  <td class="left">Multiple Choices</td>
    1009                   <td class="left"><a href="#status.300" id="rfc.xref.status.300.1" title="300 Multiple Choices">Section&nbsp;8.3.1</a></td>
     1068                  <td class="left"><a href="#status.300" id="rfc.xref.status.300.1" title="300 Multiple Choices">Section&nbsp;7.3.1</a></td>
    10101069               </tr>
    10111070               <tr>
    10121071                  <td class="left">301</td>
    10131072                  <td class="left">Moved Permanently</td>
    1014                   <td class="left"><a href="#status.301" id="rfc.xref.status.301.1" title="301 Moved Permanently">Section&nbsp;8.3.2</a></td>
     1073                  <td class="left"><a href="#status.301" id="rfc.xref.status.301.1" title="301 Moved Permanently">Section&nbsp;7.3.2</a></td>
    10151074               </tr>
    10161075               <tr>
    10171076                  <td class="left">302</td>
    10181077                  <td class="left">Found</td>
    1019                   <td class="left"><a href="#status.302" id="rfc.xref.status.302.1" title="302 Found">Section&nbsp;8.3.3</a></td>
     1078                  <td class="left"><a href="#status.302" id="rfc.xref.status.302.1" title="302 Found">Section&nbsp;7.3.3</a></td>
    10201079               </tr>
    10211080               <tr>
    10221081                  <td class="left">303</td>
    10231082                  <td class="left">See Other</td>
    1024                   <td class="left"><a href="#status.303" id="rfc.xref.status.303.1" title="303 See Other">Section&nbsp;8.3.4</a></td>
     1083                  <td class="left"><a href="#status.303" id="rfc.xref.status.303.1" title="303 See Other">Section&nbsp;7.3.4</a></td>
    10251084               </tr>
    10261085               <tr>
    10271086                  <td class="left">304</td>
    10281087                  <td class="left">Not Modified</td>
    1029                   <td class="left"><a href="p4-conditional.html#status.304" title="304 Not Modified">Section 4.1</a> of <a href="#Part4" id="rfc.xref.Part4.6"><cite title="HTTP/1.1, part 4: Conditional Requests">[Part4]</cite></a></td>
     1088                  <td class="left"><a href="p4-conditional.html#status.304" title="304 Not Modified">Section 4.1</a> of <a href="#Part4" id="rfc.xref.Part4.7"><cite title="HTTP/1.1, part 4: Conditional Requests">[Part4]</cite></a></td>
    10301089               </tr>
    10311090               <tr>
    10321091                  <td class="left">305</td>
    10331092                  <td class="left">Use Proxy</td>
    1034                   <td class="left"><a href="#status.305" id="rfc.xref.status.305.1" title="305 Use Proxy">Section&nbsp;8.3.6</a></td>
     1093                  <td class="left"><a href="#status.305" id="rfc.xref.status.305.1" title="305 Use Proxy">Section&nbsp;7.3.6</a></td>
    10351094               </tr>
    10361095               <tr>
    10371096                  <td class="left">307</td>
    10381097                  <td class="left">Temporary Redirect</td>
    1039                   <td class="left"><a href="#status.307" id="rfc.xref.status.307.1" title="307 Temporary Redirect">Section&nbsp;8.3.8</a></td>
     1098                  <td class="left"><a href="#status.307" id="rfc.xref.status.307.1" title="307 Temporary Redirect">Section&nbsp;7.3.8</a></td>
    10401099               </tr>
    10411100               <tr>
    10421101                  <td class="left">400</td>
    10431102                  <td class="left">Bad Request</td>
    1044                   <td class="left"><a href="#status.400" id="rfc.xref.status.400.1" title="400 Bad Request">Section&nbsp;8.4.1</a></td>
     1103                  <td class="left"><a href="#status.400" id="rfc.xref.status.400.1" title="400 Bad Request">Section&nbsp;7.4.1</a></td>
    10451104               </tr>
    10461105               <tr>
    10471106                  <td class="left">401</td>
    10481107                  <td class="left">Unauthorized</td>
    1049                   <td class="left"><a href="p7-auth.html#status.401" title="401 Unauthorized">Section 3.1</a> of <a href="#Part7" id="rfc.xref.Part7.4"><cite title="HTTP/1.1, part 7: Authentication">[Part7]</cite></a></td>
     1108                  <td class="left"><a href="p7-auth.html#status.401" title="401 Unauthorized">Section 3.1</a> of <a href="#Part7" id="rfc.xref.Part7.6"><cite title="HTTP/1.1, part 7: Authentication">[Part7]</cite></a></td>
    10501109               </tr>
    10511110               <tr>
    10521111                  <td class="left">402</td>
    10531112                  <td class="left">Payment Required</td>
    1054                   <td class="left"><a href="#status.402" id="rfc.xref.status.402.1" title="402 Payment Required">Section&nbsp;8.4.3</a></td>
     1113                  <td class="left"><a href="#status.402" id="rfc.xref.status.402.1" title="402 Payment Required">Section&nbsp;7.4.3</a></td>
    10551114               </tr>
    10561115               <tr>
    10571116                  <td class="left">403</td>
    10581117                  <td class="left">Forbidden</td>
    1059                   <td class="left"><a href="#status.403" id="rfc.xref.status.403.1" title="403 Forbidden">Section&nbsp;8.4.4</a></td>
     1118                  <td class="left"><a href="#status.403" id="rfc.xref.status.403.1" title="403 Forbidden">Section&nbsp;7.4.4</a></td>
    10601119               </tr>
    10611120               <tr>
    10621121                  <td class="left">404</td>
    10631122                  <td class="left">Not Found</td>
    1064                   <td class="left"><a href="#status.404" id="rfc.xref.status.404.1" title="404 Not Found">Section&nbsp;8.4.5</a></td>
     1123                  <td class="left"><a href="#status.404" id="rfc.xref.status.404.1" title="404 Not Found">Section&nbsp;7.4.5</a></td>
    10651124               </tr>
    10661125               <tr>
    10671126                  <td class="left">405</td>
    10681127                  <td class="left">Method Not Allowed</td>
    1069                   <td class="left"><a href="#status.405" id="rfc.xref.status.405.1" title="405 Method Not Allowed">Section&nbsp;8.4.6</a></td>
     1128                  <td class="left"><a href="#status.405" id="rfc.xref.status.405.1" title="405 Method Not Allowed">Section&nbsp;7.4.6</a></td>
    10701129               </tr>
    10711130               <tr>
    10721131                  <td class="left">406</td>
    10731132                  <td class="left">Not Acceptable</td>
    1074                   <td class="left"><a href="#status.406" id="rfc.xref.status.406.1" title="406 Not Acceptable">Section&nbsp;8.4.7</a></td>
     1133                  <td class="left"><a href="#status.406" id="rfc.xref.status.406.1" title="406 Not Acceptable">Section&nbsp;7.4.7</a></td>
    10751134               </tr>
    10761135               <tr>
    10771136                  <td class="left">407</td>
    10781137                  <td class="left">Proxy Authentication Required</td>
    1079                   <td class="left"><a href="p7-auth.html#status.407" title="407 Proxy Authentication Required">Section 3.2</a> of <a href="#Part7" id="rfc.xref.Part7.5"><cite title="HTTP/1.1, part 7: Authentication">[Part7]</cite></a></td>
     1138                  <td class="left"><a href="p7-auth.html#status.407" title="407 Proxy Authentication Required">Section 3.2</a> of <a href="#Part7" id="rfc.xref.Part7.7"><cite title="HTTP/1.1, part 7: Authentication">[Part7]</cite></a></td>
    10801139               </tr>
    10811140               <tr>
    10821141                  <td class="left">408</td>
    10831142                  <td class="left">Request Time-out</td>
    1084                   <td class="left"><a href="#status.408" id="rfc.xref.status.408.1" title="408 Request Timeout">Section&nbsp;8.4.9</a></td>
     1143                  <td class="left"><a href="#status.408" id="rfc.xref.status.408.1" title="408 Request Timeout">Section&nbsp;7.4.9</a></td>
    10851144               </tr>
    10861145               <tr>
    10871146                  <td class="left">409</td>
    10881147                  <td class="left">Conflict</td>
    1089                   <td class="left"><a href="#status.409" id="rfc.xref.status.409.1" title="409 Conflict">Section&nbsp;8.4.10</a></td>
     1148                  <td class="left"><a href="#status.409" id="rfc.xref.status.409.1" title="409 Conflict">Section&nbsp;7.4.10</a></td>
    10901149               </tr>
    10911150               <tr>
    10921151                  <td class="left">410</td>
    10931152                  <td class="left">Gone</td>
    1094                   <td class="left"><a href="#status.410" id="rfc.xref.status.410.1" title="410 Gone">Section&nbsp;8.4.11</a></td>
     1153                  <td class="left"><a href="#status.410" id="rfc.xref.status.410.1" title="410 Gone">Section&nbsp;7.4.11</a></td>
    10951154               </tr>
    10961155               <tr>
    10971156                  <td class="left">411</td>
    10981157                  <td class="left">Length Required</td>
    1099                   <td class="left"><a href="#status.411" id="rfc.xref.status.411.1" title="411 Length Required">Section&nbsp;8.4.12</a></td>
     1158                  <td class="left"><a href="#status.411" id="rfc.xref.status.411.1" title="411 Length Required">Section&nbsp;7.4.12</a></td>
    11001159               </tr>
    11011160               <tr>
    11021161                  <td class="left">412</td>
    11031162                  <td class="left">Precondition Failed</td>
    1104                   <td class="left"><a href="p4-conditional.html#status.412" title="412 Precondition Failed">Section 4.2</a> of <a href="#Part4" id="rfc.xref.Part4.7"><cite title="HTTP/1.1, part 4: Conditional Requests">[Part4]</cite></a></td>
     1163                  <td class="left"><a href="p4-conditional.html#status.412" title="412 Precondition Failed">Section 4.2</a> of <a href="#Part4" id="rfc.xref.Part4.8"><cite title="HTTP/1.1, part 4: Conditional Requests">[Part4]</cite></a></td>
    11051164               </tr>
    11061165               <tr>
    11071166                  <td class="left">413</td>
    11081167                  <td class="left">Request Representation Too Large</td>
    1109                   <td class="left"><a href="#status.413" id="rfc.xref.status.413.1" title="413 Request Representation Too Large">Section&nbsp;8.4.14</a></td>
     1168                  <td class="left"><a href="#status.413" id="rfc.xref.status.413.1" title="413 Request Representation Too Large">Section&nbsp;7.4.14</a></td>
    11101169               </tr>
    11111170               <tr>
    11121171                  <td class="left">414</td>
    11131172                  <td class="left">URI Too Long</td>
    1114                   <td class="left"><a href="#status.414" id="rfc.xref.status.414.1" title="414 URI Too Long">Section&nbsp;8.4.15</a></td>
     1173                  <td class="left"><a href="#status.414" id="rfc.xref.status.414.1" title="414 URI Too Long">Section&nbsp;7.4.15</a></td>
    11151174               </tr>
    11161175               <tr>
    11171176                  <td class="left">415</td>
    11181177                  <td class="left">Unsupported Media Type</td>
    1119                   <td class="left"><a href="#status.415" id="rfc.xref.status.415.1" title="415 Unsupported Media Type">Section&nbsp;8.4.16</a></td>
     1178                  <td class="left"><a href="#status.415" id="rfc.xref.status.415.1" title="415 Unsupported Media Type">Section&nbsp;7.4.16</a></td>
    11201179               </tr>
    11211180               <tr>
    11221181                  <td class="left">416</td>
    11231182                  <td class="left">Requested range not satisfiable</td>
    1124                   <td class="left"><a href="p5-range.html#status.416" title="416 Requested Range Not Satisfiable">Section 3.2</a> of <a href="#Part5" id="rfc.xref.Part5.5"><cite title="HTTP/1.1, part 5: Range Requests and Partial Responses">[Part5]</cite></a></td>
     1183                  <td class="left"><a href="p5-range.html#status.416" title="416 Requested Range Not Satisfiable">Section 3.2</a> of <a href="#Part5" id="rfc.xref.Part5.6"><cite title="HTTP/1.1, part 5: Range Requests and Partial Responses">[Part5]</cite></a></td>
    11251184               </tr>
    11261185               <tr>
    11271186                  <td class="left">417</td>
    11281187                  <td class="left">Expectation Failed</td>
    1129                   <td class="left"><a href="#status.417" id="rfc.xref.status.417.1" title="417 Expectation Failed">Section&nbsp;8.4.18</a></td>
     1188                  <td class="left"><a href="#status.417" id="rfc.xref.status.417.1" title="417 Expectation Failed">Section&nbsp;7.4.18</a></td>
    11301189               </tr>
    11311190               <tr>
    11321191                  <td class="left">426</td>
    11331192                  <td class="left">Upgrade Required</td>
    1134                   <td class="left"><a href="#status.426" id="rfc.xref.status.426.1" title="426 Upgrade Required">Section&nbsp;8.4.19</a></td>
     1193                  <td class="left"><a href="#status.426" id="rfc.xref.status.426.1" title="426 Upgrade Required">Section&nbsp;7.4.19</a></td>
    11351194               </tr>
    11361195               <tr>
    11371196                  <td class="left">500</td>
    11381197                  <td class="left">Internal Server Error</td>
    1139                   <td class="left"><a href="#status.500" id="rfc.xref.status.500.1" title="500 Internal Server Error">Section&nbsp;8.5.1</a></td>
     1198                  <td class="left"><a href="#status.500" id="rfc.xref.status.500.1" title="500 Internal Server Error">Section&nbsp;7.5.1</a></td>
    11401199               </tr>
    11411200               <tr>
    11421201                  <td class="left">501</td>
    11431202                  <td class="left">Not Implemented</td>
    1144                   <td class="left"><a href="#status.501" id="rfc.xref.status.501.1" title="501 Not Implemented">Section&nbsp;8.5.2</a></td>
     1203                  <td class="left"><a href="#status.501" id="rfc.xref.status.501.1" title="501 Not Implemented">Section&nbsp;7.5.2</a></td>
    11451204               </tr>
    11461205               <tr>
    11471206                  <td class="left">502</td>
    11481207                  <td class="left">Bad Gateway</td>
    1149                   <td class="left"><a href="#status.502" id="rfc.xref.status.502.1" title="502 Bad Gateway">Section&nbsp;8.5.3</a></td>
     1208                  <td class="left"><a href="#status.502" id="rfc.xref.status.502.1" title="502 Bad Gateway">Section&nbsp;7.5.3</a></td>
    11501209               </tr>
    11511210               <tr>
    11521211                  <td class="left">503</td>
    11531212                  <td class="left">Service Unavailable</td>
    1154                   <td class="left"><a href="#status.503" id="rfc.xref.status.503.1" title="503 Service Unavailable">Section&nbsp;8.5.4</a></td>
     1213                  <td class="left"><a href="#status.503" id="rfc.xref.status.503.1" title="503 Service Unavailable">Section&nbsp;7.5.4</a></td>
    11551214               </tr>
    11561215               <tr>
    11571216                  <td class="left">504</td>
    11581217                  <td class="left">Gateway Time-out</td>
    1159                   <td class="left"><a href="#status.504" id="rfc.xref.status.504.1" title="504 Gateway Timeout">Section&nbsp;8.5.5</a></td>
     1218                  <td class="left"><a href="#status.504" id="rfc.xref.status.504.1" title="504 Gateway Timeout">Section&nbsp;7.5.5</a></td>
    11601219               </tr>
    11611220               <tr>
    11621221                  <td class="left">505</td>
    11631222                  <td class="left">HTTP Version not supported</td>
    1164                   <td class="left"><a href="#status.505" id="rfc.xref.status.505.1" title="505 HTTP Version Not Supported">Section&nbsp;8.5.6</a></td>
     1223                  <td class="left"><a href="#status.505" id="rfc.xref.status.505.1" title="505 HTTP Version Not Supported">Section&nbsp;7.5.6</a></td>
    11651224               </tr>
    11661225            </tbody>
    … …  
    11861245         that are required, those that modify the semantics of the response).
    11871246      </p>
    1188       <p id="rfc.section.4.2.1.p.4">New HTTP status codes are required to fall under one of the categories defined in <a href="#status.codes" title="Status Code Definitions">Section&nbsp;8</a>. To allow existing parsers to properly handle them, new status codes cannot disallow a response body, although they can mandate
     1247      <p id="rfc.section.4.2.1.p.4">New HTTP status codes are required to fall under one of the categories defined in <a href="#status.codes" title="Status Code Definitions">Section&nbsp;7</a>. To allow existing parsers to properly handle them, new status codes cannot disallow a response body, although they can mandate
    11891248         a zero-length response body. They can require the presence of one or more particular HTTP response header(s).
    11901249      </p>
    1191       <p id="rfc.section.4.2.1.p.5">Likewise, their definitions can specify that caches are allowed to use heuristics to determine their freshness (see <a href="#Part6" id="rfc.xref.Part6.2"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>; by default, it is not allowed), and can define how to determine the resource which they carry a representation for (see <a href="#identifying.response.associated.with.representation" title="Identifying the Resource Associated with a Representation">Section&nbsp;6.1</a>; by default, it is anonymous).
    1192       </p>
    1193       <h1 id="rfc.section.5"><a href="#rfc.section.5">5.</a>&nbsp;<a id="response.header.fields" href="#response.header.fields">Response Header Fields</a></h1>
    1194       <p id="rfc.section.5.p.1">The response header fields allow the server to pass additional information about the response which cannot be placed in the
    1195          Status-Line. These header fields give information about the server and about further access to the target resource (<a href="p1-messaging.html#effective.request.uri" title="Effective Request URI">Section 4.3</a> of <a href="#Part1" id="rfc.xref.Part1.19"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>).
    1196       </p>
    1197       <div id="rfc.table.u.4">
    1198          <table class="tt full left" cellpadding="3" cellspacing="0">
    1199             <thead>
    1200                <tr>
    1201                   <th>Header Field Name</th>
    1202                   <th>Defined in...</th>
    1203                </tr>
    1204             </thead>
    1205             <tbody>
    1206                <tr>
    1207                   <td class="left">Accept-Ranges</td>
    1208                   <td class="left"><a href="p5-range.html#header.accept-ranges" title="Accept-Ranges">Section 5.1</a> of <a href="#Part5" id="rfc.xref.Part5.6"><cite title="HTTP/1.1, part 5: Range Requests and Partial Responses">[Part5]</cite></a></td>
    1209                </tr>
    1210                <tr>
    1211                   <td class="left">Age</td>
    1212                   <td class="left"><a href="p6-cache.html#header.age" title="Age">Section 3.1</a> of <a href="#Part6" id="rfc.xref.Part6.3"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a></td>
    1213                </tr>
    1214                <tr>
    1215                   <td class="left">Allow</td>
    1216                   <td class="left"><a href="#header.allow" id="rfc.xref.header.allow.2" title="Allow">Section&nbsp;9.1</a></td>
    1217                </tr>
    1218                <tr>
    1219                   <td class="left">ETag</td>
    1220                   <td class="left"><a href="p4-conditional.html#header.etag" title="ETag">Section 2.3</a> of <a href="#Part4" id="rfc.xref.Part4.8"><cite title="HTTP/1.1, part 4: Conditional Requests">[Part4]</cite></a></td>
    1221                </tr>
    1222                <tr>
    1223                   <td class="left">Location</td>
    1224                   <td class="left"><a href="#header.location" id="rfc.xref.header.location.1" title="Location">Section&nbsp;9.4</a></td>
    1225                </tr>
    1226                <tr>
    1227                   <td class="left">Proxy-Authenticate</td>
    1228                   <td class="left"><a href="p7-auth.html#header.proxy-authenticate" title="Proxy-Authenticate">Section 4.2</a> of <a href="#Part7" id="rfc.xref.Part7.6"><cite title="HTTP/1.1, part 7: Authentication">[Part7]</cite></a></td>
    1229                </tr>
    1230                <tr>
    1231                   <td class="left">Retry-After</td>
    1232                   <td class="left"><a href="#header.retry-after" id="rfc.xref.header.retry-after.1" title="Retry-After">Section&nbsp;9.7</a></td>
    1233                </tr>
    1234                <tr>
    1235                   <td class="left">Server</td>
    1236                   <td class="left"><a href="#header.server" id="rfc.xref.header.server.1" title="Server">Section&nbsp;9.8</a></td>
    1237                </tr>
    1238                <tr>
    1239                   <td class="left">Vary</td>
    1240                   <td class="left"><a href="p6-cache.html#header.vary" title="Vary">Section 3.5</a> of <a href="#Part6" id="rfc.xref.Part6.4"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a></td>
    1241                </tr>
    1242                <tr>
    1243                   <td class="left">WWW-Authenticate</td>
    1244                   <td class="left"><a href="p7-auth.html#header.www-authenticate" title="WWW-Authenticate">Section 4.4</a> of <a href="#Part7" id="rfc.xref.Part7.7"><cite title="HTTP/1.1, part 7: Authentication">[Part7]</cite></a></td>
    1245                </tr>
    1246             </tbody>
    1247          </table>
    1248       </div>
    1249       <h1 id="rfc.section.6"><a href="#rfc.section.6">6.</a>&nbsp;<a id="representation" href="#representation">Representation</a></h1>
    1250       <p id="rfc.section.6.p.1">Request and Response messages <em class="bcp14">MAY</em> transfer a representation if not otherwise restricted by the request method or response status code. A representation consists
     1250      <p id="rfc.section.4.2.1.p.5">Likewise, their definitions can specify that caches are allowed to use heuristics to determine their freshness (see <a href="#Part6" id="rfc.xref.Part6.4"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>; by default, it is not allowed), and can define how to determine the resource which they carry a representation for (see <a href="#identifying.response.associated.with.representation" title="Identifying the Resource Associated with a Representation">Section&nbsp;5.1</a>; by default, it is anonymous).
     1251      </p>
     1252      <h1 id="rfc.section.5"><a href="#rfc.section.5">5.</a>&nbsp;<a id="representation" href="#representation">Representation</a></h1>
     1253      <p id="rfc.section.5.p.1">Request and Response messages <em class="bcp14">MAY</em> transfer a representation if not otherwise restricted by the request method or response status code. A representation consists
    12511254         of metadata (representation header fields) and data (representation body). When a complete or partial representation is enclosed
    12521255         in an HTTP message, it is referred to as the payload of the message. HTTP representations are defined in <a href="#Part3" id="rfc.xref.Part3.5"><cite title="HTTP/1.1, part 3: Message Payload and Content Negotiation">[Part3]</cite></a>.
    12531256      </p>
    1254       <p id="rfc.section.6.p.2">A representation body is only present in a message when a message-body is present, as described in <a href="p1-messaging.html#message.body" title="Message Body">Section 3.3</a> of <a href="#Part1" id="rfc.xref.Part1.20"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>. The representation body is obtained from the message-body by decoding any Transfer-Encoding that might have been applied
     1257      <p id="rfc.section.5.p.2">A representation body is only present in a message when a message-body is present, as described in <a href="p1-messaging.html#message.body" title="Message Body">Section 3.3</a> of <a href="#Part1" id="rfc.xref.Part1.20"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>. The representation body is obtained from the message-body by decoding any Transfer-Encoding that might have been applied
    12551258         to ensure safe and proper transfer of the message.
    12561259      </p>
    1257       <h2 id="rfc.section.6.1"><a href="#rfc.section.6.1">6.1</a>&nbsp;<a id="identifying.response.associated.with.representation" href="#identifying.response.associated.with.representation">Identifying the Resource Associated with a Representation</a></h2>
    1258       <p id="rfc.section.6.1.p.1">It is sometimes necessary to determine an identifier for the resource associated with a representation.</p>
    1259       <p id="rfc.section.6.1.p.2">An HTTP request representation, when present, is always associated with an anonymous (i.e., unidentified) resource.</p>
    1260       <p id="rfc.section.6.1.p.3">In the common case, an HTTP response is a representation of the target resource (see <a href="p1-messaging.html#effective.request.uri" title="Effective Request URI">Section 4.3</a> of <a href="#Part1" id="rfc.xref.Part1.21"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>). However, this is not always the case. To determine the URI of the resource a response is associated with, the following
     1260      <h2 id="rfc.section.5.1"><a href="#rfc.section.5.1">5.1</a>&nbsp;<a id="identifying.response.associated.with.representation" href="#identifying.response.associated.with.representation">Identifying the Resource Associated with a Representation</a></h2>
     1261      <p id="rfc.section.5.1.p.1">It is sometimes necessary to determine an identifier for the resource associated with a representation.</p>
     1262      <p id="rfc.section.5.1.p.2">An HTTP request representation, when present, is always associated with an anonymous (i.e., unidentified) resource.</p>
     1263      <p id="rfc.section.5.1.p.3">In the common case, an HTTP response is a representation of the target resource (see <a href="p1-messaging.html#effective.request.uri" title="Effective Request URI">Section 4.3</a> of <a href="#Part1" id="rfc.xref.Part1.21"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>). However, this is not always the case. To determine the URI of the resource a response is associated with, the following
    12611264         rules are used (with the first applicable one being selected):
    12621265      </p>
    … …  
    12771280         <li>Otherwise, the response is a representation of an anonymous (i.e., unidentified) resource.</li>
    12781281      </ol>
    1279       <p id="rfc.section.6.1.p.5"> <span class="comment" id="TODO-req-uri">[<a href="#TODO-req-uri" class="smpl">TODO-req-uri</a>: The comparison function is going to have to be defined somewhere, because we already need to compare URIs for things like
     1282      <p id="rfc.section.5.1.p.5"> <span class="comment" id="TODO-req-uri">[<a href="#TODO-req-uri" class="smpl">TODO-req-uri</a>: The comparison function is going to have to be defined somewhere, because we already need to compare URIs for things like
    12801283            cache invalidation.]</span>
    12811284      </p>
    1282       <h1 id="rfc.section.7"><a href="#rfc.section.7">7.</a>&nbsp;<a id="method.definitions" href="#method.definitions">Method Definitions</a></h1>
    1283       <p id="rfc.section.7.p.1">The set of common request methods for HTTP/1.1 is defined below. Although this set can be expanded, additional methods cannot
     1285      <h1 id="rfc.section.6"><a href="#rfc.section.6">6.</a>&nbsp;<a id="method.definitions" href="#method.definitions">Method Definitions</a></h1>
     1286      <p id="rfc.section.6.p.1">The set of common request methods for HTTP/1.1 is defined below. Although this set can be expanded, additional methods cannot
    12841287         be assumed to share the same semantics for separately extended clients and servers.
    12851288      </p>
    1286       <h2 id="rfc.section.7.1"><a href="#rfc.section.7.1">7.1</a>&nbsp;<a id="safe.and.idempotent" href="#safe.and.idempotent">Safe and Idempotent Methods</a></h2>
     1289      <h2 id="rfc.section.6.1"><a href="#rfc.section.6.1">6.1</a>&nbsp;<a id="safe.and.idempotent" href="#safe.and.idempotent">Safe and Idempotent Methods</a></h2>
    12871290      <div id="rfc.iref.s.1"></div>
    1288       <h3 id="rfc.section.7.1.1"><a href="#rfc.section.7.1.1">7.1.1</a>&nbsp;<a id="safe.methods" href="#safe.methods">Safe Methods</a></h3>
    1289       <p id="rfc.section.7.1.1.p.1">Implementors need to be aware that the software represents the user in their interactions over the Internet, and need to allow
     1291      <h3 id="rfc.section.6.1.1"><a href="#rfc.section.6.1.1">6.1.1</a>&nbsp;<a id="safe.methods" href="#safe.methods">Safe Methods</a></h3>
     1292      <p id="rfc.section.6.1.1.p.1">Implementors need to be aware that the software represents the user in their interactions over the Internet, and need to allow
    12901293         the user to be aware of any actions they take which might have an unexpected significance to themselves or others.
    12911294      </p>
    1292       <p id="rfc.section.7.1.1.p.2">In particular, the convention has been established that the GET, HEAD, OPTIONS, and TRACE request methods <em class="bcp14">SHOULD NOT</em> have the significance of taking an action other than retrieval. These request methods ought to be considered "<dfn id="safe">safe</dfn>". This allows user agents to represent other methods, such as POST, PUT and DELETE, in a special way, so that the user is
     1295      <p id="rfc.section.6.1.1.p.2">In particular, the convention has been established that the GET, HEAD, OPTIONS, and TRACE request methods <em class="bcp14">SHOULD NOT</em> have the significance of taking an action other than retrieval. These request methods ought to be considered "<dfn id="safe">safe</dfn>". This allows user agents to represent other methods, such as POST, PUT and DELETE, in a special way, so that the user is
    12931296         made aware of the fact that a possibly unsafe action is being requested.
    12941297      </p>
    1295       <p id="rfc.section.7.1.1.p.3">Naturally, it is not possible to ensure that the server does not generate side-effects as a result of performing a GET request;
     1298      <p id="rfc.section.6.1.1.p.3">Naturally, it is not possible to ensure that the server does not generate side-effects as a result of performing a GET request;
    12961299         in fact, some dynamic resources consider that a feature. The important distinction here is that the user did not request the
    12971300         side-effects, so therefore cannot be held accountable for them.
    12981301      </p>
    12991302      <div id="rfc.iref.i.1"></div>
    1300       <h3 id="rfc.section.7.1.2"><a href="#rfc.section.7.1.2">7.1.2</a>&nbsp;<a id="idempotent.methods" href="#idempotent.methods">Idempotent Methods</a></h3>
    1301       <p id="rfc.section.7.1.2.p.1">Request methods can also have the property of "idempotence" in that, aside from error or expiration issues, the intended effect
     1303      <h3 id="rfc.section.6.1.2"><a href="#rfc.section.6.1.2">6.1.2</a>&nbsp;<a id="idempotent.methods" href="#idempotent.methods">Idempotent Methods</a></h3>
     1304      <p id="rfc.section.6.1.2.p.1">Request methods can also have the property of "idempotence" in that, aside from error or expiration issues, the intended effect
    13021305         of multiple identical requests is the same as for a single request. PUT, DELETE, and all safe request methods are idempotent.
    13031306         It is important to note that idempotence refers only to changes requested by the client: a server is free to change its state
    13041307         due to multiple requests for the purpose of tracking those requests, versioning of results, etc.
    13051308      </p>
    1306       <h2 id="rfc.section.7.2"><a href="#rfc.section.7.2">7.2</a>&nbsp;<a id="OPTIONS" href="#OPTIONS">OPTIONS</a></h2>
     1309      <h2 id="rfc.section.6.2"><a href="#rfc.section.6.2">6.2</a>&nbsp;<a id="OPTIONS" href="#OPTIONS">OPTIONS</a></h2>
    13071310      <div id="rfc.iref.o.1"></div>
    13081311      <div id="rfc.iref.m.1"></div>
    1309       <p id="rfc.section.7.2.p.1">The OPTIONS method requests information about the communication options available on the request/response chain identified
     1312      <p id="rfc.section.6.2.p.1">The OPTIONS method requests information about the communication options available on the request/response chain identified
    13101313         by the effective request URI. This method allows a client to determine the options and/or requirements associated with a resource,
    13111314         or the capabilities of a server, without implying a resource action or initiating a resource retrieval.
    13121315      </p>
    1313       <p id="rfc.section.7.2.p.2">Responses to the OPTIONS method are not cacheable.</p>
    1314       <p id="rfc.section.7.2.p.3">If the OPTIONS request includes a message-body (as indicated by the presence of Content-Length or Transfer-Encoding), then
     1316      <p id="rfc.section.6.2.p.2">Responses to the OPTIONS method are not cacheable.</p>
     1317      <p id="rfc.section.6.2.p.3">If the OPTIONS request includes a message-body (as indicated by the presence of Content-Length or Transfer-Encoding), then
    13151318         the media type <em class="bcp14">MUST</em> be indicated by a Content-Type field. Although this specification does not define any use for such a body, future extensions
    13161319         to HTTP might use the OPTIONS body to make more detailed queries on the server.
    13171320      </p>
    1318       <p id="rfc.section.7.2.p.4">If the request-target is an asterisk ("*"), the OPTIONS request is intended to apply to the server in general rather than
     1321      <p id="rfc.section.6.2.p.4">If the request-target is an asterisk ("*"), the OPTIONS request is intended to apply to the server in general rather than
    13191322         to a specific resource. Since a server's communication options typically depend on the resource, the "*" request is only useful
    13201323         as a "ping" or "no-op" type of method; it does nothing beyond allowing the client to test the capabilities of the server.
    13211324         For example, this can be used to test a proxy for HTTP/1.1 compliance (or lack thereof).
    13221325      </p>
    1323       <p id="rfc.section.7.2.p.5">If the request-target is not an asterisk, the OPTIONS request applies only to the options that are available when communicating
     1326      <p id="rfc.section.6.2.p.5">If the request-target is not an asterisk, the OPTIONS request applies only to the options that are available when communicating
    13241327         with that resource.
    13251328      </p>
    1326       <p id="rfc.section.7.2.p.6">A 200 response <em class="bcp14">SHOULD</em> include any header fields that indicate optional features implemented by the server and applicable to that resource (e.g.,
     1329      <p id="rfc.section.6.2.p.6">A 200 response <em class="bcp14">SHOULD</em> include any header fields that indicate optional features implemented by the server and applicable to that resource (e.g.,
    13271330         Allow), possibly including extensions not defined by this specification. The response body, if any, <em class="bcp14">SHOULD</em> also include information about the communication options. The format for such a body is not defined by this specification,
    13281331         but might be defined by future extensions to HTTP. Content negotiation <em class="bcp14">MAY</em> be used to select the appropriate response format. If no response body is included, the response <em class="bcp14">MUST</em> include a Content-Length field with a field-value of "0".
    13291332      </p>
    1330       <p id="rfc.section.7.2.p.7">The Max-Forwards header field <em class="bcp14">MAY</em> be used to target a specific proxy in the request chain (see <a href="#header.max-forwards" id="rfc.xref.header.max-forwards.2" title="Max-Forwards">Section&nbsp;9.5</a>). If no Max-Forwards field is present in the request, then the forwarded request <em class="bcp14">MUST NOT</em> include a Max-Forwards field.
    1331       </p>
    1332       <h2 id="rfc.section.7.3"><a href="#rfc.section.7.3">7.3</a>&nbsp;<a id="GET" href="#GET">GET</a></h2>
     1333      <p id="rfc.section.6.2.p.7">The Max-Forwards header field <em class="bcp14">MAY</em> be used to target a specific proxy in the request chain (see <a href="#header.max-forwards" id="rfc.xref.header.max-forwards.2" title="Max-Forwards">Section&nbsp;8.5</a>). If no Max-Forwards field is present in the request, then the forwarded request <em class="bcp14">MUST NOT</em> include a Max-Forwards field.
     1334      </p>
     1335      <h2 id="rfc.section.6.3"><a href="#rfc.section.6.3">6.3</a>&nbsp;<a id="GET" href="#GET">GET</a></h2>
    13331336      <div id="rfc.iref.g.5"></div>
    13341337      <div id="rfc.iref.m.2"></div>
    1335       <p id="rfc.section.7.3.p.1">The GET method requests transfer of a current representation of the target resource.</p>
    1336       <p id="rfc.section.7.3.p.2">If the target resource is a data-producing process, it is the produced data which shall be returned as the representation
     1338      <p id="rfc.section.6.3.p.1">The GET method requests transfer of a current representation of the target resource.</p>
     1339      <p id="rfc.section.6.3.p.2">If the target resource is a data-producing process, it is the produced data which shall be returned as the representation
    13371340         in the response and not the source text of the process, unless that text happens to be the output of the process.
    13381341      </p>
    1339       <p id="rfc.section.7.3.p.3">The semantics of the GET method change to a "conditional GET" if the request message includes an If-Modified-Since, If-Unmodified-Since,
     1342      <p id="rfc.section.6.3.p.3">The semantics of the GET method change to a "conditional GET" if the request message includes an If-Modified-Since, If-Unmodified-Since,
    13401343         If-Match, If-None-Match, or If-Range header field. A conditional GET requests that the representation be transferred only
    13411344         under the circumstances described by the conditional header field(s). The conditional GET request is intended to reduce unnecessary
    … …  
    13431346         already held by the client.
    13441347      </p>
    1345       <p id="rfc.section.7.3.p.4">The semantics of the GET method change to a "partial GET" if the request message includes a Range header field. A partial
     1348      <p id="rfc.section.6.3.p.4">The semantics of the GET method change to a "partial GET" if the request message includes a Range header field. A partial
    13461349         GET requests that only part of the representation be transferred, as described in <a href="p5-range.html#header.range" title="Range">Section 5.4</a> of <a href="#Part5" id="rfc.xref.Part5.7"><cite title="HTTP/1.1, part 5: Range Requests and Partial Responses">[Part5]</cite></a>. The partial GET request is intended to reduce unnecessary network usage by allowing partially-retrieved representations
    13471350         to be completed without transferring data already held by the client.
    13481351      </p>
    1349       <p id="rfc.section.7.3.p.5">Bodies on GET requests have no defined semantics. Note that sending a body on a GET request might cause some existing implementations
     1352      <p id="rfc.section.6.3.p.5">Bodies on GET requests have no defined semantics. Note that sending a body on a GET request might cause some existing implementations
    13501353         to reject the request.
    13511354      </p>
    1352       <p id="rfc.section.7.3.p.6">The response to a GET request is cacheable and <em class="bcp14">MAY</em> be used to satisfy subsequent GET and HEAD requests (see <a href="#Part6" id="rfc.xref.Part6.5"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>).
    1353       </p>
    1354       <p id="rfc.section.7.3.p.7">See <a href="#encoding.sensitive.information.in.uris" title="Encoding Sensitive Information in URIs">Section&nbsp;11.2</a> for security considerations when used for forms.
    1355       </p>
    1356       <h2 id="rfc.section.7.4"><a href="#rfc.section.7.4">7.4</a>&nbsp;<a id="HEAD" href="#HEAD">HEAD</a></h2>
     1355      <p id="rfc.section.6.3.p.6">The response to a GET request is cacheable and <em class="bcp14">MAY</em> be used to satisfy subsequent GET and HEAD requests (see <a href="#Part6" id="rfc.xref.Part6.5"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>).
     1356      </p>
     1357      <p id="rfc.section.6.3.p.7">See <a href="#encoding.sensitive.information.in.uris" title="Encoding Sensitive Information in URIs">Section&nbsp;10.2</a> for security considerations when used for forms.
     1358      </p>
     1359      <h2 id="rfc.section.6.4"><a href="#rfc.section.6.4">6.4</a>&nbsp;<a id="HEAD" href="#HEAD">HEAD</a></h2>
    13571360      <div id="rfc.iref.h.1"></div>
    13581361      <div id="rfc.iref.m.3"></div>
    1359       <p id="rfc.section.7.4.p.1">The HEAD method is identical to GET except that the server <em class="bcp14">MUST NOT</em> return a message-body in the response. The metadata contained in the HTTP header fields in response to a HEAD request <em class="bcp14">SHOULD</em> be identical to the information sent in response to a GET request. This method can be used for obtaining metadata about the
     1362      <p id="rfc.section.6.4.p.1">The HEAD method is identical to GET except that the server <em class="bcp14">MUST NOT</em> return a message-body in the response. The metadata contained in the HTTP header fields in response to a HEAD request <em class="bcp14">SHOULD</em> be identical to the information sent in response to a GET request. This method can be used for obtaining metadata about the
    13601363         representation implied by the request without transferring the representation body. This method is often used for testing
    13611364         hypertext links for validity, accessibility, and recent modification.
    13621365      </p>
    1363       <p id="rfc.section.7.4.p.2">The response to a HEAD request is cacheable and <em class="bcp14">MAY</em> be used to satisfy a subsequent HEAD request; see <a href="#Part6" id="rfc.xref.Part6.6"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>. It also <em class="bcp14">MAY</em> be used to update a previously cached representation from that resource; if the new field values indicate that the cached
     1366      <p id="rfc.section.6.4.p.2">The response to a HEAD request is cacheable and <em class="bcp14">MAY</em> be used to satisfy a subsequent HEAD request; see <a href="#Part6" id="rfc.xref.Part6.6"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>. It also <em class="bcp14">MAY</em> be used to update a previously cached representation from that resource; if the new field values indicate that the cached
    13641367         representation differs from the current representation (as would be indicated by a change in Content-Length, ETag or Last-Modified),
    13651368         then the cache <em class="bcp14">MUST</em> treat the cache entry as stale.
    13661369      </p>
    1367       <p id="rfc.section.7.4.p.3">Bodies on HEAD requests have no defined semantics. Note that sending a body on a HEAD request might cause some existing implementations
     1370      <p id="rfc.section.6.4.p.3">Bodies on HEAD requests have no defined semantics. Note that sending a body on a HEAD request might cause some existing implementations
    13681371         to reject the request.
    13691372      </p>
    13701373      <div id="rfc.iref.p.1"></div>
    13711374      <div id="rfc.iref.m.4"></div>
    1372       <h2 id="rfc.section.7.5"><a href="#rfc.section.7.5">7.5</a>&nbsp;<a id="POST" href="#POST">POST</a></h2>
    1373       <p id="rfc.section.7.5.p.1">The POST method requests that the origin server accept the representation enclosed in the request as data to be processed
     1375      <h2 id="rfc.section.6.5"><a href="#rfc.section.6.5">6.5</a>&nbsp;<a id="POST" href="#POST">POST</a></h2>
     1376      <p id="rfc.section.6.5.p.1">The POST method requests that the origin server accept the representation enclosed in the request as data to be processed
    13741377         by the target resource. POST is designed to allow a uniform method to cover the following functions:
    13751378      </p>
    … …  
    13801383         <li>Extending a database through an append operation.</li>
    13811384      </ul>
    1382       <p id="rfc.section.7.5.p.2">The actual function performed by the POST method is determined by the server and is usually dependent on the effective request
     1385      <p id="rfc.section.6.5.p.2">The actual function performed by the POST method is determined by the server and is usually dependent on the effective request
    13831386         URI.
    13841387      </p>
    1385       <p id="rfc.section.7.5.p.3">The action performed by the POST method might not result in a resource that can be identified by a URI. In this case, either
     1388      <p id="rfc.section.6.5.p.3">The action performed by the POST method might not result in a resource that can be identified by a URI. In this case, either
    13861389         200 (OK) or 204 (No Content) is the appropriate response status code, depending on whether or not the response includes a
    13871390         representation that describes the result.
    13881391      </p>
    1389       <p id="rfc.section.7.5.p.4">If a resource has been created on the origin server, the response <em class="bcp14">SHOULD</em> be 201 (Created) and contain a representation which describes the status of the request and refers to the new resource, and
    1390          a Location header field (see <a href="#header.location" id="rfc.xref.header.location.2" title="Location">Section&nbsp;9.4</a>).
    1391       </p>
    1392       <p id="rfc.section.7.5.p.5">Responses to POST requests are only cacheable when they include explicit freshness information (see <a href="p6-cache.html#calculating.freshness.lifetime" title="Calculating Freshness Lifetime">Section 2.3.1</a> of <a href="#Part6" id="rfc.xref.Part6.7"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>). A cached POST response with a Content-Location header field (see <a href="p3-payload.html#header.content-location" title="Content-Location">Section 6.7</a> of <a href="#Part3" id="rfc.xref.Part3.6"><cite title="HTTP/1.1, part 3: Message Payload and Content Negotiation">[Part3]</cite></a>) whose value is the effective Request URI <em class="bcp14">MAY</em> be used to satisfy subsequent GET and HEAD requests.
    1393       </p>
    1394       <p id="rfc.section.7.5.p.6">Note that POST caching is not widely implemented. However, the 303 (See Other) response can be used to direct the user agent
     1392      <p id="rfc.section.6.5.p.4">If a resource has been created on the origin server, the response <em class="bcp14">SHOULD</em> be 201 (Created) and contain a representation which describes the status of the request and refers to the new resource, and
     1393         a Location header field (see <a href="#header.location" id="rfc.xref.header.location.2" title="Location">Section&nbsp;8.4</a>).
     1394      </p>
     1395      <p id="rfc.section.6.5.p.5">Responses to POST requests are only cacheable when they include explicit freshness information (see <a href="p6-cache.html#calculating.freshness.lifetime" title="Calculating Freshness Lifetime">Section 2.3.1</a> of <a href="#Part6" id="rfc.xref.Part6.7"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>). A cached POST response with a Content-Location header field (see <a href="p3-payload.html#header.content-location" title="Content-Location">Section 6.7</a> of <a href="#Part3" id="rfc.xref.Part3.6"><cite title="HTTP/1.1, part 3: Message Payload and Content Negotiation">[Part3]</cite></a>) whose value is the effective Request URI <em class="bcp14">MAY</em> be used to satisfy subsequent GET and HEAD requests.
     1396      </p>
     1397      <p id="rfc.section.6.5.p.6">Note that POST caching is not widely implemented. However, the 303 (See Other) response can be used to direct the user agent
    13951398         to retrieve a cacheable resource.
    13961399      </p>
    13971400      <div id="rfc.iref.p.2"></div>
    13981401      <div id="rfc.iref.m.5"></div>
    1399       <h2 id="rfc.section.7.6"><a href="#rfc.section.7.6">7.6</a>&nbsp;<a id="PUT" href="#PUT">PUT</a></h2>
    1400       <p id="rfc.section.7.6.p.1">The PUT method requests that the state of the target resource be created or replaced with the state defined by the representation
     1402      <h2 id="rfc.section.6.6"><a href="#rfc.section.6.6">6.6</a>&nbsp;<a id="PUT" href="#PUT">PUT</a></h2>
     1403      <p id="rfc.section.6.6.p.1">The PUT method requests that the state of the target resource be created or replaced with the state defined by the representation
    14011404         enclosed in the request message payload. A successful PUT of a given representation would suggest that a subsequent GET on
    14021405         that same target resource will result in an equivalent representation being returned in a 200 (OK) response. However, there
    … …  
    14051408         response only implies that the user agent's intent was achieved at the time of its processing by the origin server.
    14061409      </p>
    1407       <p id="rfc.section.7.6.p.2">If the target resource does not have a current representation and the PUT successfully creates one, then the origin server <em class="bcp14">MUST</em> inform the user agent by sending a 201 (Created) response. If the target resource does have a current representation and that
     1410      <p id="rfc.section.6.6.p.2">If the target resource does not have a current representation and the PUT successfully creates one, then the origin server <em class="bcp14">MUST</em> inform the user agent by sending a 201 (Created) response. If the target resource does have a current representation and that
    14081411         representation is successfully modified in accordance with the state of the enclosed representation, then either a 200 (OK)
    14091412         or 204 (No Content) response <em class="bcp14">SHOULD</em> be sent to indicate successful completion of the request.
    14101413      </p>
    1411       <p id="rfc.section.7.6.p.3">Unrecognized header fields <em class="bcp14">SHOULD</em> be ignored (i.e., not saved as part of the resource state).
    1412       </p>
    1413       <p id="rfc.section.7.6.p.4">An origin server <em class="bcp14">SHOULD</em> verify that the PUT representation is consistent with any constraints which the server has for the target resource that cannot
     1414      <p id="rfc.section.6.6.p.3">Unrecognized header fields <em class="bcp14">SHOULD</em> be ignored (i.e., not saved as part of the resource state).
     1415      </p>
     1416      <p id="rfc.section.6.6.p.4">An origin server <em class="bcp14">SHOULD</em> verify that the PUT representation is consistent with any constraints which the server has for the target resource that cannot
    14141417         or will not be changed by the PUT. This is particularly important when the origin server uses internal configuration information
    14151418         related to the URI in order to set the values for representation metadata on GET responses. When a PUT representation is inconsistent
    … …  
    14191422         values.
    14201423      </p>
    1421       <p id="rfc.section.7.6.p.5">For example, if the target resource is configured to always have a Content-Type of "text/html" and the representation being
     1424      <p id="rfc.section.6.6.p.5">For example, if the target resource is configured to always have a Content-Type of "text/html" and the representation being
    14221425         PUT has a Content-Type of "image/jpeg", then the origin server <em class="bcp14">SHOULD</em> do one of: (a) reconfigure the target resource to reflect the new media type; (b) transform the PUT representation to a format
    14231426         consistent with that of the resource before saving it as the new resource state; or, (c) reject the request with a 415 response
    … …  
    14251428         be a suitable target for the new representation.
    14261429      </p>
    1427       <p id="rfc.section.7.6.p.6">HTTP does not define exactly how a PUT method affects the state of an origin server beyond what can be expressed by the intent
     1430      <p id="rfc.section.6.6.p.6">HTTP does not define exactly how a PUT method affects the state of an origin server beyond what can be expressed by the intent
    14281431         of the user agent request and the semantics of the origin server response. It does not define what a resource might be, in
    14291432         any sense of that word, beyond the interface provided via HTTP. It does not define how resource state is "stored", nor how
    … …  
    14321435         the server.
    14331436      </p>
    1434       <p id="rfc.section.7.6.p.7">The fundamental difference between the POST and PUT methods is highlighted by the different intent for the target resource.
     1437      <p id="rfc.section.6.6.p.7">The fundamental difference between the POST and PUT methods is highlighted by the different intent for the target resource.
    14351438         The target resource in a POST request is intended to handle the enclosed representation as a data-accepting process, such
    14361439         as for a gateway to some other protocol or a document that accepts annotations. In contrast, the target resource in a PUT
    … …  
    14381441         and visible to intermediaries, even though the exact effect is only known by the origin server.
    14391442      </p>
    1440       <p id="rfc.section.7.6.p.8">Proper interpretation of a PUT request presumes that the user agent knows what target resource is desired. A service that
     1443      <p id="rfc.section.6.6.p.8">Proper interpretation of a PUT request presumes that the user agent knows what target resource is desired. A service that
    14411444         is intended to select a proper URI on behalf of the client, after receiving a state-changing request, <em class="bcp14">SHOULD</em> be implemented using the POST method rather than PUT. If the origin server will not make the requested PUT state change to
    14421445         the target resource and instead wishes to have it applied to a different resource, such as when the resource has been moved
    14431446         to a different URI, then the origin server <em class="bcp14">MUST</em> send a 301 (Moved Permanently) response; the user agent <em class="bcp14">MAY</em> then make its own decision regarding whether or not to redirect the request.
    14441447      </p>
    1445       <p id="rfc.section.7.6.p.9">A PUT request applied to the target resource <em class="bcp14">MAY</em> have side-effects on other resources. For example, an article might have a URI for identifying "the current version" (a resource)
     1448      <p id="rfc.section.6.6.p.9">A PUT request applied to the target resource <em class="bcp14">MAY</em> have side-effects on other resources. For example, an article might have a URI for identifying "the current version" (a resource)
    14461449         which is separate from the URIs identifying each particular version (different resources that at one point shared the same
    14471450         state as the current version resource). A successful PUT request on "the current version" URI might therefore create a new
    … …  
    14491452         the related resources.
    14501453      </p>
    1451       <p id="rfc.section.7.6.p.10">An origin server <em class="bcp14">SHOULD</em> reject any PUT request that contains a Content-Range header field, since it might be misinterpreted as partial content (or
     1454      <p id="rfc.section.6.6.p.10">An origin server <em class="bcp14">SHOULD</em> reject any PUT request that contains a Content-Range header field, since it might be misinterpreted as partial content (or
    14521455         might be partial content that is being mistakenly PUT as a full representation). Partial content updates are possible by targeting
    14531456         a separately identified resource with state that overlaps a portion of the larger resource, or by using a different method
    14541457         that has been specifically defined for partial updates (for example, the PATCH method defined in <a href="#RFC5789" id="rfc.xref.RFC5789.1"><cite title="PATCH Method for HTTP">[RFC5789]</cite></a>).
    14551458      </p>
    1456       <p id="rfc.section.7.6.p.11">Responses to the PUT method are not cacheable. If a PUT request passes through a cache that has one or more stored responses
     1459      <p id="rfc.section.6.6.p.11">Responses to the PUT method are not cacheable. If a PUT request passes through a cache that has one or more stored responses
    14571460         for the effective request URI, those stored responses will be invalidated (see <a href="p6-cache.html#invalidation.after.updates.or.deletions" title="Request Methods that Invalidate">Section 2.5</a> of <a href="#Part6" id="rfc.xref.Part6.8"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>).
    14581461      </p>
    14591462      <div id="rfc.iref.d.1"></div>
    14601463      <div id="rfc.iref.m.6"></div>
    1461       <h2 id="rfc.section.7.7"><a href="#rfc.section.7.7">7.7</a>&nbsp;<a id="DELETE" href="#DELETE">DELETE</a></h2>
    1462       <p id="rfc.section.7.7.p.1">The DELETE method requests that the origin server delete the target resource. This method <em class="bcp14">MAY</em> be overridden by human intervention (or other means) on the origin server. The client cannot be guaranteed that the operation
     1464      <h2 id="rfc.section.6.7"><a href="#rfc.section.6.7">6.7</a>&nbsp;<a id="DELETE" href="#DELETE">DELETE</a></h2>
     1465      <p id="rfc.section.6.7.p.1">The DELETE method requests that the origin server delete the target resource. This method <em class="bcp14">MAY</em> be overridden by human intervention (or other means) on the origin server. The client cannot be guaranteed that the operation
    14631466         has been carried out, even if the status code returned from the origin server indicates that the action has been completed
    14641467         successfully. However, the server <em class="bcp14">SHOULD NOT</em> indicate success unless, at the time the response is given, it intends to delete the resource or move it to an inaccessible
    14651468         location.
    14661469      </p>
    1467       <p id="rfc.section.7.7.p.2">A successful response <em class="bcp14">SHOULD</em> be 200 (OK) if the response includes an representation describing the status, 202 (Accepted) if the action has not yet been
     1470      <p id="rfc.section.6.7.p.2">A successful response <em class="bcp14">SHOULD</em> be 200 (OK) if the response includes an representation describing the status, 202 (Accepted) if the action has not yet been
    14681471         enacted, or 204 (No Content) if the action has been enacted but the response does not include a representation.
    14691472      </p>
    1470       <p id="rfc.section.7.7.p.3">Bodies on DELETE requests have no defined semantics. Note that sending a body on a DELETE request might cause some existing
     1473      <p id="rfc.section.6.7.p.3">Bodies on DELETE requests have no defined semantics. Note that sending a body on a DELETE request might cause some existing
    14711474         implementations to reject the request.
    14721475      </p>
    1473       <p id="rfc.section.7.7.p.4">Responses to the DELETE method are not cacheable. If a DELETE request passes through a cache that has one or more stored responses
     1476      <p id="rfc.section.6.7.p.4">Responses to the DELETE method are not cacheable. If a DELETE request passes through a cache that has one or more stored responses
    14741477         for the effective request URI, those stored responses will be invalidated (see <a href="p6-cache.html#invalidation.after.updates.or.deletions" title="Request Methods that Invalidate">Section 2.5</a> of <a href="#Part6" id="rfc.xref.Part6.9"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>).
    14751478      </p>
    1476       <h2 id="rfc.section.7.8"><a href="#rfc.section.7.8">7.8</a>&nbsp;<a id="TRACE" href="#TRACE">TRACE</a></h2>
     1479      <h2 id="rfc.section.6.8"><a href="#rfc.section.6.8">6.8</a>&nbsp;<a id="TRACE" href="#TRACE">TRACE</a></h2>
    14771480      <div id="rfc.iref.t.1"></div>
    14781481      <div id="rfc.iref.m.7"></div>
    1479       <p id="rfc.section.7.8.p.1">The TRACE method requests a remote, application-layer loop-back of the request message. The final recipient of the request <em class="bcp14">SHOULD</em> reflect the message received back to the client as the message-body of a 200 (OK) response. The final recipient is either
    1480          the origin server or the first proxy to receive a Max-Forwards value of zero (0) in the request (see <a href="#header.max-forwards" id="rfc.xref.header.max-forwards.3" title="Max-Forwards">Section&nbsp;9.5</a>). A TRACE request <em class="bcp14">MUST NOT</em> include a message-body.
    1481       </p>
    1482       <p id="rfc.section.7.8.p.2">TRACE allows the client to see what is being received at the other end of the request chain and use that data for testing
     1482      <p id="rfc.section.6.8.p.1">The TRACE method requests a remote, application-layer loop-back of the request message. The final recipient of the request <em class="bcp14">SHOULD</em> reflect the message received back to the client as the message-body of a 200 (OK) response. The final recipient is either
     1483         the origin server or the first proxy to receive a Max-Forwards value of zero (0) in the request (see <a href="#header.max-forwards" id="rfc.xref.header.max-forwards.3" title="Max-Forwards">Section&nbsp;8.5</a>). A TRACE request <em class="bcp14">MUST NOT</em> include a message-body.
     1484      </p>
     1485      <p id="rfc.section.6.8.p.2">TRACE allows the client to see what is being received at the other end of the request chain and use that data for testing
    14831486         or diagnostic information. The value of the Via header field (<a href="p1-messaging.html#header.via" title="Via">Section 9.9</a> of <a href="#Part1" id="rfc.xref.Part1.22"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>) is of particular interest, since it acts as a trace of the request chain. Use of the Max-Forwards header field allows the
    14841487         client to limit the length of the request chain, which is useful for testing a chain of proxies forwarding messages in an
    14851488         infinite loop.
    14861489      </p>
    1487       <p id="rfc.section.7.8.p.3">If the request is valid, the response <em class="bcp14">SHOULD</em> have a Content-Type of "message/http" (see <a href="p1-messaging.html#internet.media.type.message.http" title="Internet Media Type message/http">Section 10.3.1</a> of <a href="#Part1" id="rfc.xref.Part1.23"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>) and contain a message-body that encloses a copy of the entire request message. Responses to the TRACE method are not cacheable.
     1490      <p id="rfc.section.6.8.p.3">If the request is valid, the response <em class="bcp14">SHOULD</em> have a Content-Type of "message/http" (see <a href="p1-messaging.html#internet.media.type.message.http" title="Internet Media Type message/http">Section 10.3.1</a> of <a href="#Part1" id="rfc.xref.Part1.23"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>) and contain a message-body that encloses a copy of the entire request message. Responses to the TRACE method are not cacheable.
    14881491      </p>
    14891492      <div id="rfc.iref.c.1"></div>
    14901493      <div id="rfc.iref.m.8"></div>
    1491       <h2 id="rfc.section.7.9"><a href="#rfc.section.7.9">7.9</a>&nbsp;<a id="CONNECT" href="#CONNECT">CONNECT</a></h2>
    1492       <p id="rfc.section.7.9.p.1">The CONNECT method requests that the proxy establish a tunnel to the request-target and then restrict its behavior to blind
     1494      <h2 id="rfc.section.6.9"><a href="#rfc.section.6.9">6.9</a>&nbsp;<a id="CONNECT" href="#CONNECT">CONNECT</a></h2>
     1495      <p id="rfc.section.6.9.p.1">The CONNECT method requests that the proxy establish a tunnel to the request-target and then restrict its behavior to blind
    14931496         forwarding of packets until the connection is closed.
    14941497      </p>
    1495       <p id="rfc.section.7.9.p.2">When using CONNECT, the request-target <em class="bcp14">MUST</em> use the authority form (<a href="p1-messaging.html#request-target" title="request-target">Section 4.1.2</a> of <a href="#Part1" id="rfc.xref.Part1.24"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>); i.e., the request-target consists of only the host name and port number of the tunnel destination, separated by a colon.
     1498      <p id="rfc.section.6.9.p.2">When using CONNECT, the request-target <em class="bcp14">MUST</em> use the authority form (<a href="p1-messaging.html#request-target" title="request-target">Section 4.1.2</a> of <a href="#Part1" id="rfc.xref.Part1.24"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>); i.e., the request-target consists of only the host name and port number of the tunnel destination, separated by a colon.
    14961499         For example,
    14971500      </p>
    … …  
    14991502Host: server.example.com:80
    15001503
    1501 </pre><p id="rfc.section.7.9.p.4">Other HTTP mechanisms can be used normally with the CONNECT method — except end-to-end protocol Upgrade requests, since the
     1504</pre><p id="rfc.section.6.9.p.4">Other HTTP mechanisms can be used normally with the CONNECT method — except end-to-end protocol Upgrade requests, since the
    15021505         tunnel must be established first.
    15031506      </p>
    1504       <p id="rfc.section.7.9.p.5">For example, proxy authentication might be used to establish the authority to create a tunnel:</p>
     1507      <p id="rfc.section.6.9.p.5">For example, proxy authentication might be used to establish the authority to create a tunnel:</p>
    15051508      <div id="rfc.figure.u.6"></div><pre class="text2">CONNECT server.example.com:80 HTTP/1.1
    15061509Host: server.example.com:80
    15071510Proxy-Authorization: basic aGVsbG86d29ybGQ=
    15081511
    1509 </pre><p id="rfc.section.7.9.p.7">Bodies on CONNECT requests have no defined semantics. Note that sending a body on a CONNECT request might cause some existing
     1512</pre><p id="rfc.section.6.9.p.7">Bodies on CONNECT requests have no defined semantics. Note that sending a body on a CONNECT request might cause some existing
    15101513         implementations to reject the request.
    15111514      </p>
    1512       <p id="rfc.section.7.9.p.8">Like any other pipelined HTTP/1.1 request, data to be tunnel may be sent immediately after the blank line. The usual caveats
     1515      <p id="rfc.section.6.9.p.8">Like any other pipelined HTTP/1.1 request, data to be tunnel may be sent immediately after the blank line. The usual caveats
    15131516         also apply: data may be discarded if the eventual response is negative, and the connection may be reset with no response if
    15141517         more than one TCP segment is outstanding.
    15151518      </p>
    1516       <h3 id="rfc.section.7.9.1"><a href="#rfc.section.7.9.1">7.9.1</a>&nbsp;Establishing a Tunnel with CONNECT
     1519      <h3 id="rfc.section.6.9.1"><a href="#rfc.section.6.9.1">6.9.1</a>&nbsp;Establishing a Tunnel with CONNECT
    15171520      </h3>
    1518       <p id="rfc.section.7.9.1.p.1">Any successful (2xx) response to a CONNECT request indicates that the proxy has established a connection to the requested
     1521      <p id="rfc.section.6.9.1.p.1">Any successful (2xx) response to a CONNECT request indicates that the proxy has established a connection to the requested
    15191522         host and port, and has switched to tunneling the current connection to that server connection.
    15201523      </p>
    1521       <p id="rfc.section.7.9.1.p.2">It may be the case that the proxy itself can only reach the requested origin server through another proxy. In this case, the
     1524      <p id="rfc.section.6.9.1.p.2">It may be the case that the proxy itself can only reach the requested origin server through another proxy. In this case, the
    15221525         first proxy <em class="bcp14">SHOULD</em> make a CONNECT request of that next proxy, requesting a tunnel to the authority. A proxy <em class="bcp14">MUST NOT</em> respond with any 2xx status code unless it has either a direct or tunnel connection established to the authority.
    15231526      </p>
    1524       <p id="rfc.section.7.9.1.p.3">An origin server which receives a CONNECT request for itself <em class="bcp14">MAY</em> respond with a 2xx status code to indicate that a connection is established.
    1525       </p>
    1526       <p id="rfc.section.7.9.1.p.4">If at any point either one of the peers gets disconnected, any outstanding data that came from that peer will be passed to
     1527      <p id="rfc.section.6.9.1.p.3">An origin server which receives a CONNECT request for itself <em class="bcp14">MAY</em> respond with a 2xx status code to indicate that a connection is established.
     1528      </p>
     1529      <p id="rfc.section.6.9.1.p.4">If at any point either one of the peers gets disconnected, any outstanding data that came from that peer will be passed to
    15271530         the other one, and after that also the other connection will be terminated by the proxy. If there is outstanding data to that
    15281531         peer undelivered, that data will be discarded.
    15291532      </p>
    1530       <h1 id="rfc.section.8"><a href="#rfc.section.8">8.</a>&nbsp;<a id="status.codes" href="#status.codes">Status Code Definitions</a></h1>
    1531       <p id="rfc.section.8.p.1">Each Status-Code is described below, including any metadata required in the response.</p>
    1532       <h2 id="rfc.section.8.1"><a href="#rfc.section.8.1">8.1</a>&nbsp;<a id="status.1xx" href="#status.1xx">Informational 1xx</a></h2>
    1533       <p id="rfc.section.8.1.p.1">This class of status code indicates a provisional response, consisting only of the Status-Line and optional header fields,
     1533      <h1 id="rfc.section.7"><a href="#rfc.section.7">7.</a>&nbsp;<a id="status.codes" href="#status.codes">Status Code Definitions</a></h1>
     1534      <p id="rfc.section.7.p.1">Each Status-Code is described below, including any metadata required in the response.</p>
     1535      <h2 id="rfc.section.7.1"><a href="#rfc.section.7.1">7.1</a>&nbsp;<a id="status.1xx" href="#status.1xx">Informational 1xx</a></h2>
     1536      <p id="rfc.section.7.1.p.1">This class of status code indicates a provisional response, consisting only of the Status-Line and optional header fields,
    15341537         and is terminated by an empty line. There are no required header fields for this class of status code. Since HTTP/1.0 did
    15351538         not define any 1xx status codes, servers <em class="bcp14">MUST NOT</em> send a 1xx response to an HTTP/1.0 client except under experimental conditions.
    15361539      </p>
    1537       <p id="rfc.section.8.1.p.2">A client <em class="bcp14">MUST</em> be prepared to accept one or more 1xx status responses prior to a regular response, even if the client does not expect a 100
     1540      <p id="rfc.section.7.1.p.2">A client <em class="bcp14">MUST</em> be prepared to accept one or more 1xx status responses prior to a regular response, even if the client does not expect a 100
    15381541         (Continue) status message. Unexpected 1xx status responses <em class="bcp14">MAY</em> be ignored by a user agent.
    15391542      </p>
    1540       <p id="rfc.section.8.1.p.3">Proxies <em class="bcp14">MUST</em> forward 1xx responses, unless the connection between the proxy and its client has been closed, or unless the proxy itself
     1543      <p id="rfc.section.7.1.p.3">Proxies <em class="bcp14">MUST</em> forward 1xx responses, unless the connection between the proxy and its client has been closed, or unless the proxy itself
    15411544         requested the generation of the 1xx response. (For example, if a proxy adds a "Expect: 100-continue" field when it forwards
    15421545         a request, then it need not forward the corresponding 100 (Continue) response(s).)
    … …  
    15441547      <div id="rfc.iref.22"></div>
    15451548      <div id="rfc.iref.s.2"></div>
    1546       <h3 id="rfc.section.8.1.1"><a href="#rfc.section.8.1.1">8.1.1</a>&nbsp;<a id="status.100" href="#status.100">100 Continue</a></h3>
    1547       <p id="rfc.section.8.1.1.p.1">The client <em class="bcp14">SHOULD</em> continue with its request. This interim response is used to inform the client that the initial part of the request has been
     1549      <h3 id="rfc.section.7.1.1"><a href="#rfc.section.7.1.1">7.1.1</a>&nbsp;<a id="status.100" href="#status.100">100 Continue</a></h3>
     1550      <p id="rfc.section.7.1.1.p.1">The client <em class="bcp14">SHOULD</em> continue with its request. This interim response is used to inform the client that the initial part of the request has been
    15481551         received and has not yet been rejected by the server. The client <em class="bcp14">SHOULD</em> continue by sending the remainder of the request or, if the request has already been completed, ignore this response. The
    15491552         server <em class="bcp14">MUST</em> send a final response after the request has been completed. See <a href="p1-messaging.html#use.of.the.100.status" title="Use of the 100 (Continue) Status">Section 7.2.3</a> of <a href="#Part1" id="rfc.xref.Part1.25"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a> for detailed discussion of the use and handling of this status code.
    … …  
    15511554      <div id="rfc.iref.23"></div>
    15521555      <div id="rfc.iref.s.3"></div>
    1553       <h3 id="rfc.section.8.1.2"><a href="#rfc.section.8.1.2">8.1.2</a>&nbsp;<a id="status.101" href="#status.101">101 Switching Protocols</a></h3>
    1554       <p id="rfc.section.8.1.2.p.1">The server understands and is willing to comply with the client's request, via the Upgrade message header field (<a href="p1-messaging.html#header.upgrade" title="Upgrade">Section 9.8</a> of <a href="#Part1" id="rfc.xref.Part1.26"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>), for a change in the application protocol being used on this connection. The server will switch protocols to those defined
     1556      <h3 id="rfc.section.7.1.2"><a href="#rfc.section.7.1.2">7.1.2</a>&nbsp;<a id="status.101" href="#status.101">101 Switching Protocols</a></h3>
     1557      <p id="rfc.section.7.1.2.p.1">The server understands and is willing to comply with the client's request, via the Upgrade message header field (<a href="p1-messaging.html#header.upgrade" title="Upgrade">Section 9.8</a> of <a href="#Part1" id="rfc.xref.Part1.26"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>), for a change in the application protocol being used on this connection. The server will switch protocols to those defined
    15551558         by the response's Upgrade header field immediately after the empty line which terminates the 101 response.
    15561559      </p>
    1557       <p id="rfc.section.8.1.2.p.2">The protocol <em class="bcp14">SHOULD</em> be switched only when it is advantageous to do so. For example, switching to a newer version of HTTP is advantageous over
     1560      <p id="rfc.section.7.1.2.p.2">The protocol <em class="bcp14">SHOULD</em> be switched only when it is advantageous to do so. For example, switching to a newer version of HTTP is advantageous over
    15581561         older versions, and switching to a real-time, synchronous protocol might be advantageous when delivering resources that use
    15591562         such features.
    15601563      </p>
    1561       <h2 id="rfc.section.8.2"><a href="#rfc.section.8.2">8.2</a>&nbsp;<a id="status.2xx" href="#status.2xx">Successful 2xx</a></h2>
    1562       <p id="rfc.section.8.2.p.1">This class of status code indicates that the client's request was successfully received, understood, and accepted.</p>
     1564      <h2 id="rfc.section.7.2"><a href="#rfc.section.7.2">7.2</a>&nbsp;<a id="status.2xx" href="#status.2xx">Successful 2xx</a></h2>
     1565      <p id="rfc.section.7.2.p.1">This class of status code indicates that the client's request was successfully received, understood, and accepted.</p>
    15631566      <div id="rfc.iref.24"></div>
    15641567      <div id="rfc.iref.s.4"></div>
    1565       <h3 id="rfc.section.8.2.1"><a href="#rfc.section.8.2.1">8.2.1</a>&nbsp;<a id="status.200" href="#status.200">200 OK</a></h3>
    1566       <p id="rfc.section.8.2.1.p.1">The request has succeeded. The payload returned with the response is dependent on the method used in the request, for example: </p>
     1568      <h3 id="rfc.section.7.2.1"><a href="#rfc.section.7.2.1">7.2.1</a>&nbsp;<a id="status.200" href="#status.200">200 OK</a></h3>
     1569      <p id="rfc.section.7.2.1.p.1">The request has succeeded. The payload returned with the response is dependent on the method used in the request, for example: </p>
    15671570      <dl>
    15681571         <dt>GET</dt>
    … …  
    15751578         <dd>a representation containing the request message as received by the end server.</dd>
    15761579      </dl>
    1577       <p id="rfc.section.8.2.1.p.2">Caches <em class="bcp14">MAY</em> use a heuristic (see <a href="p6-cache.html#heuristic.freshness" title="Calculating Heuristic Freshness">Section 2.3.1.1</a> of <a href="#Part6" id="rfc.xref.Part6.10"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>) to determine freshness for 200 responses.
     1580      <p id="rfc.section.7.2.1.p.2">Caches <em class="bcp14">MAY</em> use a heuristic (see <a href="p6-cache.html#heuristic.freshness" title="Calculating Heuristic Freshness">Section 2.3.1.1</a> of <a href="#Part6" id="rfc.xref.Part6.10"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>) to determine freshness for 200 responses.
    15781581      </p>
    15791582      <div id="rfc.iref.25"></div>
    15801583      <div id="rfc.iref.s.5"></div>
    1581       <h3 id="rfc.section.8.2.2"><a href="#rfc.section.8.2.2">8.2.2</a>&nbsp;<a id="status.201" href="#status.201">201 Created</a></h3>
    1582       <p id="rfc.section.8.2.2.p.1">The request has been fulfilled and has resulted in a new resource being created. The newly created resource can be referenced
     1584      <h3 id="rfc.section.7.2.2"><a href="#rfc.section.7.2.2">7.2.2</a>&nbsp;<a id="status.201" href="#status.201">201 Created</a></h3>
     1585      <p id="rfc.section.7.2.2.p.1">The request has been fulfilled and has resulted in a new resource being created. The newly created resource can be referenced
    15831586         by the URI(s) returned in the payload of the response, with the most specific URI for the resource given by a Location header
    15841587         field. The response <em class="bcp14">SHOULD</em> include a payload containing a list of resource characteristics and location(s) from which the user or user agent can choose
    … …  
    15861589         server <em class="bcp14">MUST</em> create the resource before returning the 201 status code. If the action cannot be carried out immediately, the server <em class="bcp14">SHOULD</em> respond with 202 (Accepted) response instead.
    15871590      </p>
    1588       <p id="rfc.section.8.2.2.p.2">A 201 response <em class="bcp14">MAY</em> contain an ETag response header field indicating the current value of the entity-tag for the representation of the resource
     1591      <p id="rfc.section.7.2.2.p.2">A 201 response <em class="bcp14">MAY</em> contain an ETag response header field indicating the current value of the entity-tag for the representation of the resource
    15891592         just created (see <a href="p4-conditional.html#header.etag" title="ETag">Section 2.3</a> of <a href="#Part4" id="rfc.xref.Part4.9"><cite title="HTTP/1.1, part 4: Conditional Requests">[Part4]</cite></a>).
    15901593      </p>
    15911594      <div id="rfc.iref.26"></div>
    15921595      <div id="rfc.iref.s.6"></div>
    1593       <h3 id="rfc.section.8.2.3"><a href="#rfc.section.8.2.3">8.2.3</a>&nbsp;<a id="status.202" href="#status.202">202 Accepted</a></h3>
    1594       <p id="rfc.section.8.2.3.p.1">The request has been accepted for processing, but the processing has not been completed. The request might or might not eventually
     1596      <h3 id="rfc.section.7.2.3"><a href="#rfc.section.7.2.3">7.2.3</a>&nbsp;<a id="status.202" href="#status.202">202 Accepted</a></h3>
     1597      <p id="rfc.section.7.2.3.p.1">The request has been accepted for processing, but the processing has not been completed. The request might or might not eventually
    15951598         be acted upon, as it might be disallowed when processing actually takes place. There is no facility for re-sending a status
    15961599         code from an asynchronous operation such as this.
    15971600      </p>
    1598       <p id="rfc.section.8.2.3.p.2">The 202 response is intentionally non-committal. Its purpose is to allow a server to accept a request for some other process
     1601      <p id="rfc.section.7.2.3.p.2">The 202 response is intentionally non-committal. Its purpose is to allow a server to accept a request for some other process
    15991602         (perhaps a batch-oriented process that is only run once per day) without requiring that the user agent's connection to the
    16001603         server persist until the process is completed. The representation returned with this response <em class="bcp14">SHOULD</em> include an indication of the request's current status and either a pointer to a status monitor or some estimate of when the
    … …  
    16031606      <div id="rfc.iref.27"></div>
    16041607      <div id="rfc.iref.s.7"></div>
    1605       <h3 id="rfc.section.8.2.4"><a href="#rfc.section.8.2.4">8.2.4</a>&nbsp;<a id="status.203" href="#status.203">203 Non-Authoritative Information</a></h3>
    1606       <p id="rfc.section.8.2.4.p.1">The representation in the response has been transformed or otherwise modified by a transforming proxy (<a href="p1-messaging.html#intermediaries" title="Intermediaries">Section 2.4</a> of <a href="#Part1" id="rfc.xref.Part1.27"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>). Note that the behaviour of transforming intermediaries is controlled by the no-transform Cache-Control directive (<a href="p6-cache.html#header.cache-control" title="Cache-Control">Section 3.2</a> of <a href="#Part6" id="rfc.xref.Part6.11"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>).
    1607       </p>
    1608       <p id="rfc.section.8.2.4.p.2">This status code is only appropriate when the response status code would have been 200 (OK) otherwise. When the status code
     1608      <h3 id="rfc.section.7.2.4"><a href="#rfc.section.7.2.4">7.2.4</a>&nbsp;<a id="status.203" href="#status.203">203 Non-Authoritative Information</a></h3>
     1609      <p id="rfc.section.7.2.4.p.1">The representation in the response has been transformed or otherwise modified by a transforming proxy (<a href="p1-messaging.html#intermediaries" title="Intermediaries">Section 2.4</a> of <a href="#Part1" id="rfc.xref.Part1.27"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>). Note that the behaviour of transforming intermediaries is controlled by the no-transform Cache-Control directive (<a href="p6-cache.html#header.cache-control" title="Cache-Control">Section 3.2</a> of <a href="#Part6" id="rfc.xref.Part6.11"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>).
     1610      </p>
     1611      <p id="rfc.section.7.2.4.p.2">This status code is only appropriate when the response status code would have been 200 (OK) otherwise. When the status code
    16091612         before transformation would have been different, the 214 Transformation Applied warn-code (<a href="p6-cache.html#header.warning" title="Warning">Section 3.6</a> of <a href="#Part6" id="rfc.xref.Part6.12"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>) is appropriate.
    16101613      </p>
    1611       <p id="rfc.section.8.2.4.p.3">Caches <em class="bcp14">MAY</em> use a heuristic (see <a href="p6-cache.html#heuristic.freshness" title="Calculating Heuristic Freshness">Section 2.3.1.1</a> of <a href="#Part6" id="rfc.xref.Part6.13"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>) to determine freshness for 203 responses.
     1614      <p id="rfc.section.7.2.4.p.3">Caches <em class="bcp14">MAY</em> use a heuristic (see <a href="p6-cache.html#heuristic.freshness" title="Calculating Heuristic Freshness">Section 2.3.1.1</a> of <a href="#Part6" id="rfc.xref.Part6.13"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>) to determine freshness for 203 responses.
    16121615      </p>
    16131616      <div id="rfc.iref.28"></div>
    16141617      <div id="rfc.iref.s.8"></div>
    1615       <h3 id="rfc.section.8.2.5"><a href="#rfc.section.8.2.5">8.2.5</a>&nbsp;<a id="status.204" href="#status.204">204 No Content</a></h3>
    1616       <p id="rfc.section.8.2.5.p.1">The 204 (No Content) status code indicates that the server has successfully fulfilled the request and that there is no additional
     1618      <h3 id="rfc.section.7.2.5"><a href="#rfc.section.7.2.5">7.2.5</a>&nbsp;<a id="status.204" href="#status.204">204 No Content</a></h3>
     1619      <p id="rfc.section.7.2.5.p.1">The 204 (No Content) status code indicates that the server has successfully fulfilled the request and that there is no additional
    16171620         content to return in the response payload body. Metadata in the response header fields refer to the target resource and its
    16181621         current representation after the requested action.
    16191622      </p>
    1620       <p id="rfc.section.8.2.5.p.2">For example, if a 204 status code is received in response to a PUT request and the response contains an ETag header field,
     1623      <p id="rfc.section.7.2.5.p.2">For example, if a 204 status code is received in response to a PUT request and the response contains an ETag header field,
    16211624         then the PUT was successful and the ETag field-value contains the entity-tag for the new representation of that target resource.
    16221625      </p>
    1623       <p id="rfc.section.8.2.5.p.3">The 204 response allows a server to indicate that the action has been successfully applied to the target resource while implying
     1626      <p id="rfc.section.7.2.5.p.3">The 204 response allows a server to indicate that the action has been successfully applied to the target resource while implying
    16241627         that the user agent <em class="bcp14">SHOULD NOT</em> traverse away from its current "document view" (if any). The server assumes that the user agent will provide some indication
    16251628         of the success to its user, in accord with its own interface, and apply any new or updated metadata in the response to the
    16261629         active representation.
    16271630      </p>
    1628       <p id="rfc.section.8.2.5.p.4">For example, a 204 status code is commonly used with document editing interfaces corresponding to a "save" action, such that
     1631      <p id="rfc.section.7.2.5.p.4">For example, a 204 status code is commonly used with document editing interfaces corresponding to a "save" action, such that
    16291632         the document being saved remains available to the user for editing. It is also frequently used with interfaces that expect
    16301633         automated data transfers to be prevalent, such as within distributed version control systems.
    16311634      </p>
    1632       <p id="rfc.section.8.2.5.p.5">The 204 response <em class="bcp14">MUST NOT</em> include a message-body, and thus is always terminated by the first empty line after the header fields.
     1635      <p id="rfc.section.7.2.5.p.5">The 204 response <em class="bcp14">MUST NOT</em> include a message-body, and thus is always terminated by the first empty line after the header fields.
    16331636      </p>
    16341637      <div id="rfc.iref.29"></div>
    16351638      <div id="rfc.iref.s.9"></div>
    1636       <h3 id="rfc.section.8.2.6"><a href="#rfc.section.8.2.6">8.2.6</a>&nbsp;<a id="status.205" href="#status.205">205 Reset Content</a></h3>
    1637       <p id="rfc.section.8.2.6.p.1">The server has fulfilled the request and the user agent <em class="bcp14">SHOULD</em> reset the document view which caused the request to be sent. This response is primarily intended to allow input for actions
     1639      <h3 id="rfc.section.7.2.6"><a href="#rfc.section.7.2.6">7.2.6</a>&nbsp;<a id="status.205" href="#status.205">205 Reset Content</a></h3>
     1640      <p id="rfc.section.7.2.6.p.1">The server has fulfilled the request and the user agent <em class="bcp14">SHOULD</em> reset the document view which caused the request to be sent. This response is primarily intended to allow input for actions
    16381641         to take place via user input, followed by a clearing of the form in which the input is given so that the user can easily initiate
    16391642         another input action.
    16401643      </p>
    1641       <p id="rfc.section.8.2.6.p.2">The message-body included with the response <em class="bcp14">MUST</em> be empty. Note that receivers still need to parse the response according to the algorithm defined in <a href="p1-messaging.html#message.body" title="Message Body">Section 3.3</a> of <a href="#Part1" id="rfc.xref.Part1.28"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>.
     1644      <p id="rfc.section.7.2.6.p.2">The message-body included with the response <em class="bcp14">MUST</em> be empty. Note that receivers still need to parse the response according to the algorithm defined in <a href="p1-messaging.html#message.body" title="Message Body">Section 3.3</a> of <a href="#Part1" id="rfc.xref.Part1.28"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>.
    16421645      </p>
    16431646      <div id="rfc.iref.30"></div>
    16441647      <div id="rfc.iref.s.10"></div>
    1645       <h3 id="rfc.section.8.2.7"><a href="#rfc.section.8.2.7">8.2.7</a>&nbsp;<a id="status.206" href="#status.206">206 Partial Content</a></h3>
    1646       <p id="rfc.section.8.2.7.p.1">The server has fulfilled the partial GET request for the resource and the enclosed payload is a partial representation as
     1648      <h3 id="rfc.section.7.2.7"><a href="#rfc.section.7.2.7">7.2.7</a>&nbsp;<a id="status.206" href="#status.206">206 Partial Content</a></h3>
     1649      <p id="rfc.section.7.2.7.p.1">The server has fulfilled the partial GET request for the resource and the enclosed payload is a partial representation as
    16471650         defined in <a href="p5-range.html#status.206" title="206 Partial Content">Section 3.1</a> of <a href="#Part5" id="rfc.xref.Part5.8"><cite title="HTTP/1.1, part 5: Range Requests and Partial Responses">[Part5]</cite></a>.
    16481651      </p>
    1649       <p id="rfc.section.8.2.7.p.2">Caches <em class="bcp14">MAY</em> use a heuristic (see <a href="p6-cache.html#heuristic.freshness" title="Calculating Heuristic Freshness">Section 2.3.1.1</a> of <a href="#Part6" id="rfc.xref.Part6.14"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>) to determine freshness for 206 responses.
    1650       </p>
    1651       <h2 id="rfc.section.8.3"><a href="#rfc.section.8.3">8.3</a>&nbsp;<a id="status.3xx" href="#status.3xx">Redirection 3xx</a></h2>
    1652       <p id="rfc.section.8.3.p.1">This class of status code indicates that further action needs to be taken by the user agent in order to fulfill the request.
     1652      <p id="rfc.section.7.2.7.p.2">Caches <em class="bcp14">MAY</em> use a heuristic (see <a href="p6-cache.html#heuristic.freshness" title="Calculating Heuristic Freshness">Section 2.3.1.1</a> of <a href="#Part6" id="rfc.xref.Part6.14"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>) to determine freshness for 206 responses.
     1653      </p>
     1654      <h2 id="rfc.section.7.3"><a href="#rfc.section.7.3">7.3</a>&nbsp;<a id="status.3xx" href="#status.3xx">Redirection 3xx</a></h2>
     1655      <p id="rfc.section.7.3.p.1">This class of status code indicates that further action needs to be taken by the user agent in order to fulfill the request.
    16531656         The action required <em class="bcp14">MAY</em> be carried out by the user agent without interaction with the user if and only if the method used in the second request is
    1654          known to be "safe", as defined in <a href="#safe.methods" title="Safe Methods">Section&nbsp;7.1.1</a>. A client <em class="bcp14">SHOULD</em> detect infinite redirection loops, since such loops generate network traffic for each redirection.
    1655       </p>
    1656       <div class="note" id="rfc.section.8.3.p.2">
     1657         known to be "safe", as defined in <a href="#safe.methods" title="Safe Methods">Section&nbsp;6.1.1</a>. A client <em class="bcp14">SHOULD</em> detect infinite redirection loops, since such loops generate network traffic for each redirection.
     1658      </p>
     1659      <div class="note" id="rfc.section.7.3.p.2">
    16571660         <p> <b>Note:</b> An earlier version of this specification recommended a maximum of five redirections (<a href="#RFC2068" id="rfc.xref.RFC2068.1"><cite title="Hypertext Transfer Protocol -- HTTP/1.1">[RFC2068]</cite></a>, <a href="http://tools.ietf.org/html/rfc2068#section-10.3">Section 10.3</a>). Content developers need to be aware that some clients might implement such a fixed limitation.
    16581661         </p>
    … …  
    16601663      <div id="rfc.iref.31"></div>
    16611664      <div id="rfc.iref.s.11"></div>
    1662       <h3 id="rfc.section.8.3.1"><a href="#rfc.section.8.3.1">8.3.1</a>&nbsp;<a id="status.300" href="#status.300">300 Multiple Choices</a></h3>
    1663       <p id="rfc.section.8.3.1.p.1">The target resource has more than one representation, each with its own specific location, and agent-driven negotiation information
     1665      <h3 id="rfc.section.7.3.1"><a href="#rfc.section.7.3.1">7.3.1</a>&nbsp;<a id="status.300" href="#status.300">300 Multiple Choices</a></h3>
     1666      <p id="rfc.section.7.3.1.p.1">The target resource has more than one representation, each with its own specific location, and agent-driven negotiation information
    16641667         (<a href="p3-payload.html#content.negotiation" title="Content Negotiation">Section 5</a> of <a href="#Part3" id="rfc.xref.Part3.7"><cite title="HTTP/1.1, part 3: Message Payload and Content Negotiation">[Part3]</cite></a>) is being provided so that the user (or user agent) can select a preferred representation by redirecting its request to that
    16651668         location.
    16661669      </p>
    1667       <p id="rfc.section.8.3.1.p.2">Unless it was a HEAD request, the response <em class="bcp14">SHOULD</em> include a representation containing a list of representation metadata and location(s) from which the user or user agent can
     1670      <p id="rfc.section.7.3.1.p.2">Unless it was a HEAD request, the response <em class="bcp14">SHOULD</em> include a representation containing a list of representation metadata and location(s) from which the user or user agent can
    16681671         choose the one most appropriate. The data format is specified by the media type given in the Content-Type header field. Depending
    16691672         upon the format and the capabilities of the user agent, selection of the most appropriate choice <em class="bcp14">MAY</em> be performed automatically. However, this specification does not define any standard for such automatic selection.
    16701673      </p>
    1671       <p id="rfc.section.8.3.1.p.3">If the server has a preferred choice of representation, it <em class="bcp14">SHOULD</em> include the specific URI for that representation in the Location field; user agents <em class="bcp14">MAY</em> use the Location field value for automatic redirection.
    1672       </p>
    1673       <p id="rfc.section.8.3.1.p.4">Caches <em class="bcp14">MAY</em> use a heuristic (see <a href="p6-cache.html#heuristic.freshness" title="Calculating Heuristic Freshness">Section 2.3.1.1</a> of <a href="#Part6" id="rfc.xref.Part6.15"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>) to determine freshness for 300 responses.
     1674      <p id="rfc.section.7.3.1.p.3">If the server has a preferred choice of representation, it <em class="bcp14">SHOULD</em> include the specific URI for that representation in the Location field; user agents <em class="bcp14">MAY</em> use the Location field value for automatic redirection.
     1675      </p>
     1676      <p id="rfc.section.7.3.1.p.4">Caches <em class="bcp14">MAY</em> use a heuristic (see <a href="p6-cache.html#heuristic.freshness" title="Calculating Heuristic Freshness">Section 2.3.1.1</a> of <a href="#Part6" id="rfc.xref.Part6.15"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>) to determine freshness for 300 responses.
    16741677      </p>
    16751678      <div id="rfc.iref.32"></div>
    16761679      <div id="rfc.iref.s.12"></div>
    1677       <h3 id="rfc.section.8.3.2"><a href="#rfc.section.8.3.2">8.3.2</a>&nbsp;<a id="status.301" href="#status.301">301 Moved Permanently</a></h3>
    1678       <p id="rfc.section.8.3.2.p.1">The target resource has been assigned a new permanent URI and any future references to this resource <em class="bcp14">SHOULD</em> use one of the returned URIs. Clients with link editing capabilities ought to automatically re-link references to the effective
     1680      <h3 id="rfc.section.7.3.2"><a href="#rfc.section.7.3.2">7.3.2</a>&nbsp;<a id="status.301" href="#status.301">301 Moved Permanently</a></h3>
     1681      <p id="rfc.section.7.3.2.p.1">The target resource has been assigned a new permanent URI and any future references to this resource <em class="bcp14">SHOULD</em> use one of the returned URIs. Clients with link editing capabilities ought to automatically re-link references to the effective
    16791682         request URI to one or more of the new references returned by the server, where possible.
    16801683      </p>
    1681       <p id="rfc.section.8.3.2.p.2">Caches <em class="bcp14">MAY</em> use a heuristic (see <a href="p6-cache.html#heuristic.freshness" title="Calculating Heuristic Freshness">Section 2.3.1.1</a> of <a href="#Part6" id="rfc.xref.Part6.16"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>) to determine freshness for 301 responses.
    1682       </p>
    1683       <p id="rfc.section.8.3.2.p.3">The new permanent URI <em class="bcp14">SHOULD</em> be given by the Location field in the response. Unless the request method was HEAD, the representation of the response <em class="bcp14">SHOULD</em> contain a short hypertext note with a hyperlink to the new URI(s).
    1684       </p>
    1685       <p id="rfc.section.8.3.2.p.4">If the 301 status code is received in response to a request method that is known to be "safe", as defined in <a href="#safe.methods" title="Safe Methods">Section&nbsp;7.1.1</a>, then the request <em class="bcp14">MAY</em> be automatically redirected by the user agent without confirmation. Otherwise, the user agent <em class="bcp14">MUST NOT</em> automatically redirect the request unless it can be confirmed by the user, since this might change the conditions under which
     1684      <p id="rfc.section.7.3.2.p.2">Caches <em class="bcp14">MAY</em> use a heuristic (see <a href="p6-cache.html#heuristic.freshness" title="Calculating Heuristic Freshness">Section 2.3.1.1</a> of <a href="#Part6" id="rfc.xref.Part6.16"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>) to determine freshness for 301 responses.
     1685      </p>
     1686      <p id="rfc.section.7.3.2.p.3">The new permanent URI <em class="bcp14">SHOULD</em> be given by the Location field in the response. Unless the request method was HEAD, the representation of the response <em class="bcp14">SHOULD</em> contain a short hypertext note with a hyperlink to the new URI(s).
     1687      </p>
     1688      <p id="rfc.section.7.3.2.p.4">If the 301 status code is received in response to a request method that is known to be "safe", as defined in <a href="#safe.methods" title="Safe Methods">Section&nbsp;6.1.1</a>, then the request <em class="bcp14">MAY</em> be automatically redirected by the user agent without confirmation. Otherwise, the user agent <em class="bcp14">MUST NOT</em> automatically redirect the request unless it can be confirmed by the user, since this might change the conditions under which
    16861689         the request was issued.
    16871690      </p>
    1688       <div class="note" id="rfc.section.8.3.2.p.5">
     1691      <div class="note" id="rfc.section.7.3.2.p.5">
    16891692         <p> <b>Note:</b> When automatically redirecting a POST request after receiving a 301 status code, some existing HTTP/1.0 user agents will erroneously
    16901693            change it into a GET request.
    … …  
    16931696      <div id="rfc.iref.33"></div>
    16941697      <div id="rfc.iref.s.13"></div>
    1695       <h3 id="rfc.section.8.3.3"><a href="#rfc.section.8.3.3">8.3.3</a>&nbsp;<a id="status.302" href="#status.302">302 Found</a></h3>
    1696       <p id="rfc.section.8.3.3.p.1">The target resource resides temporarily under a different URI. Since the redirection might be altered on occasion, the client <em class="bcp14">SHOULD</em> continue to use the effective request URI for future requests.
    1697       </p>
    1698       <p id="rfc.section.8.3.3.p.2">The temporary URI <em class="bcp14">SHOULD</em> be given by the Location field in the response. Unless the request method was HEAD, the representation of the response <em class="bcp14">SHOULD</em> contain a short hypertext note with a hyperlink to the new URI(s).
    1699       </p>
    1700       <p id="rfc.section.8.3.3.p.3">If the 302 status code is received in response to a request method that is known to be "safe", as defined in <a href="#safe.methods" title="Safe Methods">Section&nbsp;7.1.1</a>, then the request <em class="bcp14">MAY</em> be automatically redirected by the user agent without confirmation. Otherwise, the user agent <em class="bcp14">MUST NOT</em> automatically redirect the request unless it can be confirmed by the user, since this might change the conditions under which
     1698      <h3 id="rfc.section.7.3.3"><a href="#rfc.section.7.3.3">7.3.3</a>&nbsp;<a id="status.302" href="#status.302">302 Found</a></h3>
     1699      <p id="rfc.section.7.3.3.p.1">The target resource resides temporarily under a different URI. Since the redirection might be altered on occasion, the client <em class="bcp14">SHOULD</em> continue to use the effective request URI for future requests.
     1700      </p>
     1701      <p id="rfc.section.7.3.3.p.2">The temporary URI <em class="bcp14">SHOULD</em> be given by the Location field in the response. Unless the request method was HEAD, the representation of the response <em class="bcp14">SHOULD</em> contain a short hypertext note with a hyperlink to the new URI(s).
     1702      </p>
     1703      <p id="rfc.section.7.3.3.p.3">If the 302 status code is received in response to a request method that is known to be "safe", as defined in <a href="#safe.methods" title="Safe Methods">Section&nbsp;6.1.1</a>, then the request <em class="bcp14">MAY</em> be automatically redirected by the user agent without confirmation. Otherwise, the user agent <em class="bcp14">MUST NOT</em> automatically redirect the request unless it can be confirmed by the user, since this might change the conditions under which
    17011704         the request was issued.
    17021705      </p>
    1703       <div class="note" id="rfc.section.8.3.3.p.4">
     1706      <div class="note" id="rfc.section.7.3.3.p.4">
    17041707         <p> <b>Note:</b> HTTP/1.0 (<a href="#RFC1945" id="rfc.xref.RFC1945.1"><cite title="Hypertext Transfer Protocol -- HTTP/1.0">[RFC1945]</cite></a>, <a href="http://tools.ietf.org/html/rfc1945#section-9.3">Section 9.3</a>) and the first version of HTTP/1.1 (<a href="#RFC2068" id="rfc.xref.RFC2068.2"><cite title="Hypertext Transfer Protocol -- HTTP/1.1">[RFC2068]</cite></a>, <a href="http://tools.ietf.org/html/rfc2068#section-10.3.3">Section 10.3.3</a>) specify that the client is not allowed to change the method on the redirected request. However, most existing user agent
    17051708            implementations treat 302 as if it were a 303 response, performing a GET on the Location field-value regardless of the original
    … …  
    17091712      <div id="rfc.iref.34"></div>
    17101713      <div id="rfc.iref.s.14"></div>
    1711       <h3 id="rfc.section.8.3.4"><a href="#rfc.section.8.3.4">8.3.4</a>&nbsp;<a id="status.303" href="#status.303">303 See Other</a></h3>
    1712       <p id="rfc.section.8.3.4.p.1">The server directs the user agent to a different resource, indicated by a URI in the Location header field, that provides
     1714      <h3 id="rfc.section.7.3.4"><a href="#rfc.section.7.3.4">7.3.4</a>&nbsp;<a id="status.303" href="#status.303">303 See Other</a></h3>
     1715      <p id="rfc.section.7.3.4.p.1">The server directs the user agent to a different resource, indicated by a URI in the Location header field, that provides
    17131716         an indirect response to the original request. The user agent <em class="bcp14">MAY</em> perform a GET request on the URI in the Location field in order to obtain a representation corresponding to the response,
    17141717         be redirected again, or end with an error status. The Location URI is not a substitute reference for the effective request
    17151718         URI.
    17161719      </p>
    1717       <p id="rfc.section.8.3.4.p.2">The 303 status code is generally applicable to any HTTP method. It is primarily used to allow the output of a POST action
     1720      <p id="rfc.section.7.3.4.p.2">The 303 status code is generally applicable to any HTTP method. It is primarily used to allow the output of a POST action
    17181721         to redirect the user agent to a selected resource, since doing so provides the information corresponding to the POST response
    17191722         in a form that can be separately identified, bookmarked, and cached independent of the original request.
    17201723      </p>
    1721       <p id="rfc.section.8.3.4.p.3">A 303 response to a GET request indicates that the requested resource does not have a representation of its own that can be
     1724      <p id="rfc.section.7.3.4.p.3">A 303 response to a GET request indicates that the requested resource does not have a representation of its own that can be
    17221725         transferred by the server over HTTP. The Location URI indicates a resource that is descriptive of the target resource, such
    17231726         that the follow-on representation might be useful to recipients without implying that it adequately represents the target
    … …  
    17251728         be a useful description are outside the scope of HTTP and thus entirely determined by the URI owner(s).
    17261729      </p>
    1727       <p id="rfc.section.8.3.4.p.4">Except for responses to a HEAD request, the representation of a 303 response <em class="bcp14">SHOULD</em> contain a short hypertext note with a hyperlink to the Location URI.
     1730      <p id="rfc.section.7.3.4.p.4">Except for responses to a HEAD request, the representation of a 303 response <em class="bcp14">SHOULD</em> contain a short hypertext note with a hyperlink to the Location URI.
    17281731      </p>
    17291732      <div id="rfc.iref.35"></div>
    17301733      <div id="rfc.iref.s.15"></div>
    1731       <h3 id="rfc.section.8.3.5"><a href="#rfc.section.8.3.5">8.3.5</a>&nbsp;<a id="status.304" href="#status.304">304 Not Modified</a></h3>
    1732       <p id="rfc.section.8.3.5.p.1">The response to the request has not been modified since the conditions indicated by the client's conditional GET request,
     1734      <h3 id="rfc.section.7.3.5"><a href="#rfc.section.7.3.5">7.3.5</a>&nbsp;<a id="status.304" href="#status.304">304 Not Modified</a></h3>
     1735      <p id="rfc.section.7.3.5.p.1">The response to the request has not been modified since the conditions indicated by the client's conditional GET request,
    17331736         as defined in <a href="p4-conditional.html#status.304" title="304 Not Modified">Section 4.1</a> of <a href="#Part4" id="rfc.xref.Part4.10"><cite title="HTTP/1.1, part 4: Conditional Requests">[Part4]</cite></a>.
    17341737      </p>
    17351738      <div id="rfc.iref.36"></div>
    17361739      <div id="rfc.iref.s.16"></div>
    1737       <h3 id="rfc.section.8.3.6"><a href="#rfc.section.8.3.6">8.3.6</a>&nbsp;<a id="status.305" href="#status.305">305 Use Proxy</a></h3>
    1738       <p id="rfc.section.8.3.6.p.1">The 305 status code was defined in a previous version of this specification (see <a href="#changes.from.rfc.2616" title="Changes from RFC 2616">Appendix&nbsp;A</a>), and is now deprecated.
     1740      <h3 id="rfc.section.7.3.6"><a href="#rfc.section.7.3.6">7.3.6</a>&nbsp;<a id="status.305" href="#status.305">305 Use Proxy</a></h3>
     1741      <p id="rfc.section.7.3.6.p.1">The 305 status code was defined in a previous version of this specification (see <a href="#changes.from.rfc.2616" title="Changes from RFC 2616">Appendix&nbsp;A</a>), and is now deprecated.
    17391742      </p>
    17401743      <div id="rfc.iref.37"></div>
    17411744      <div id="rfc.iref.s.17"></div>
    1742       <h3 id="rfc.section.8.3.7"><a href="#rfc.section.8.3.7">8.3.7</a>&nbsp;<a id="status.306" href="#status.306">306 (Unused)</a></h3>
    1743       <p id="rfc.section.8.3.7.p.1">The 306 status code was used in a previous version of the specification, is no longer used, and the code is reserved.</p>
     1745      <h3 id="rfc.section.7.3.7"><a href="#rfc.section.7.3.7">7.3.7</a>&nbsp;<a id="status.306" href="#status.306">306 (Unused)</a></h3>
     1746      <p id="rfc.section.7.3.7.p.1">The 306 status code was used in a previous version of the specification, is no longer used, and the code is reserved.</p>
    17441747      <div id="rfc.iref.38"></div>
    17451748      <div id="rfc.iref.s.18"></div>
    1746       <h3 id="rfc.section.8.3.8"><a href="#rfc.section.8.3.8">8.3.8</a>&nbsp;<a id="status.307" href="#status.307">307 Temporary Redirect</a></h3>
    1747       <p id="rfc.section.8.3.8.p.1">The target resource resides temporarily under a different URI. Since the redirection can change over time, the client <em class="bcp14">SHOULD</em> continue to use the effective request URI for future requests.
    1748       </p>
    1749       <p id="rfc.section.8.3.8.p.2">The temporary URI <em class="bcp14">SHOULD</em> be given by the Location field in the response. Unless the request method was HEAD, the representation of the response <em class="bcp14">SHOULD</em> contain a short hypertext note with a hyperlink to the new URI(s), since many pre-HTTP/1.1 user agents do not understand the
     1749      <h3 id="rfc.section.7.3.8"><a href="#rfc.section.7.3.8">7.3.8</a>&nbsp;<a id="status.307" href="#status.307">307 Temporary Redirect</a></h3>
     1750      <p id="rfc.section.7.3.8.p.1">The target resource resides temporarily under a different URI. Since the redirection can change over time, the client <em class="bcp14">SHOULD</em> continue to use the effective request URI for future requests.
     1751      </p>
     1752      <p id="rfc.section.7.3.8.p.2">The temporary URI <em class="bcp14">SHOULD</em> be given by the Location field in the response. Unless the request method was HEAD, the representation of the response <em class="bcp14">SHOULD</em> contain a short hypertext note with a hyperlink to the new URI(s), since many pre-HTTP/1.1 user agents do not understand the
    17501753         307 status code. Therefore, the note <em class="bcp14">SHOULD</em> contain the information necessary for a user to repeat the original request on the new URI.
    17511754      </p>
    1752       <p id="rfc.section.8.3.8.p.3">If the 307 status code is received in response to a request method that is known to be "safe", as defined in <a href="#safe.methods" title="Safe Methods">Section&nbsp;7.1.1</a>, then the request <em class="bcp14">MAY</em> be automatically redirected by the user agent without confirmation. Otherwise, the user agent <em class="bcp14">MUST NOT</em> automatically redirect the request unless it can be confirmed by the user, since this might change the conditions under which
     1755      <p id="rfc.section.7.3.8.p.3">If the 307 status code is received in response to a request method that is known to be "safe", as defined in <a href="#safe.methods" title="Safe Methods">Section&nbsp;6.1.1</a>, then the request <em class="bcp14">MAY</em> be automatically redirected by the user agent without confirmation. Otherwise, the user agent <em class="bcp14">MUST NOT</em> automatically redirect the request unless it can be confirmed by the user, since this might change the conditions under which
    17531756         the request was issued.
    17541757      </p>
    1755       <h2 id="rfc.section.8.4"><a href="#rfc.section.8.4">8.4</a>&nbsp;<a id="status.4xx" href="#status.4xx">Client Error 4xx</a></h2>
    1756       <p id="rfc.section.8.4.p.1">The 4xx class of status code is intended for cases in which the client seems to have erred. Except when responding to a HEAD
     1758      <h2 id="rfc.section.7.4"><a href="#rfc.section.7.4">7.4</a>&nbsp;<a id="status.4xx" href="#status.4xx">Client Error 4xx</a></h2>
     1759      <p id="rfc.section.7.4.p.1">The 4xx class of status code is intended for cases in which the client seems to have erred. Except when responding to a HEAD
    17571760         request, the server <em class="bcp14">SHOULD</em> include a representation containing an explanation of the error situation, and whether it is a temporary or permanent condition.
    17581761         These status codes are applicable to any request method. User agents <em class="bcp14">SHOULD</em> display any included representation to the user.
    17591762      </p>
    1760       <p id="rfc.section.8.4.p.2">If the client is sending data, a server implementation using TCP <em class="bcp14">SHOULD</em> be careful to ensure that the client acknowledges receipt of the packet(s) containing the response, before the server closes
     1763      <p id="rfc.section.7.4.p.2">If the client is sending data, a server implementation using TCP <em class="bcp14">SHOULD</em> be careful to ensure that the client acknowledges receipt of the packet(s) containing the response, before the server closes
    17611764         the input connection. If the client continues sending data to the server after the close, the server's TCP stack will send
    17621765         a reset packet to the client, which might erase the client's unacknowledged input buffers before they can be read and interpreted
    … …  
    17651768      <div id="rfc.iref.39"></div>
    17661769      <div id="rfc.iref.s.19"></div>
    1767       <h3 id="rfc.section.8.4.1"><a href="#rfc.section.8.4.1">8.4.1</a>&nbsp;<a id="status.400" href="#status.400">400 Bad Request</a></h3>
    1768       <p id="rfc.section.8.4.1.p.1">The server cannot or will not process the request, due to a client error (e.g., malformed syntax).</p>
     1770      <h3 id="rfc.section.7.4.1"><a href="#rfc.section.7.4.1">7.4.1</a>&nbsp;<a id="status.400" href="#status.400">400 Bad Request</a></h3>
     1771      <p id="rfc.section.7.4.1.p.1">The server cannot or will not process the request, due to a client error (e.g., malformed syntax).</p>
    17691772      <div id="rfc.iref.40"></div>
    17701773      <div id="rfc.iref.s.20"></div>
    1771       <h3 id="rfc.section.8.4.2"><a href="#rfc.section.8.4.2">8.4.2</a>&nbsp;<a id="status.401" href="#status.401">401 Unauthorized</a></h3>
    1772       <p id="rfc.section.8.4.2.p.1">The request requires user authentication (see <a href="p7-auth.html#status.401" title="401 Unauthorized">Section 3.1</a> of <a href="#Part7" id="rfc.xref.Part7.8"><cite title="HTTP/1.1, part 7: Authentication">[Part7]</cite></a>).
     1774      <h3 id="rfc.section.7.4.2"><a href="#rfc.section.7.4.2">7.4.2</a>&nbsp;<a id="status.401" href="#status.401">401 Unauthorized</a></h3>
     1775      <p id="rfc.section.7.4.2.p.1">The request requires user authentication (see <a href="p7-auth.html#status.401" title="401 Unauthorized">Section 3.1</a> of <a href="#Part7" id="rfc.xref.Part7.8"><cite title="HTTP/1.1, part 7: Authentication">[Part7]</cite></a>).
    17731776      </p>
    17741777      <div id="rfc.iref.41"></div>
    17751778      <div id="rfc.iref.s.21"></div>
    1776       <h3 id="rfc.section.8.4.3"><a href="#rfc.section.8.4.3">8.4.3</a>&nbsp;<a id="status.402" href="#status.402">402 Payment Required</a></h3>
    1777       <p id="rfc.section.8.4.3.p.1">This code is reserved for future use.</p>
     1779      <h3 id="rfc.section.7.4.3"><a href="#rfc.section.7.4.3">7.4.3</a>&nbsp;<a id="status.402" href="#status.402">402 Payment Required</a></h3>
     1780      <p id="rfc.section.7.4.3.p.1">This code is reserved for future use.</p>
    17781781      <div id="rfc.iref.42"></div>
    17791782      <div id="rfc.iref.s.22"></div>
    1780       <h3 id="rfc.section.8.4.4"><a href="#rfc.section.8.4.4">8.4.4</a>&nbsp;<a id="status.403" href="#status.403">403 Forbidden</a></h3>
    1781       <p id="rfc.section.8.4.4.p.1">The server understood the request, but refuses to authorize it. Providing different user authentication credentials might
     1783      <h3 id="rfc.section.7.4.4"><a href="#rfc.section.7.4.4">7.4.4</a>&nbsp;<a id="status.403" href="#status.403">403 Forbidden</a></h3>
     1784      <p id="rfc.section.7.4.4.p.1">The server understood the request, but refuses to authorize it. Providing different user authentication credentials might
    17821785         be successful, but any credentials that were provided in the request are insufficient. The request <em class="bcp14">SHOULD NOT</em> be repeated with the same credentials.
    17831786      </p>
    1784       <p id="rfc.section.8.4.4.p.2">If the request method was not HEAD and the server wishes to make public why the request has not been fulfilled, it <em class="bcp14">SHOULD</em> describe the reason for the refusal in the representation. If the server does not wish to make this information available
     1787      <p id="rfc.section.7.4.4.p.2">If the request method was not HEAD and the server wishes to make public why the request has not been fulfilled, it <em class="bcp14">SHOULD</em> describe the reason for the refusal in the representation. If the server does not wish to make this information available
    17851788         to the client, the status code 404 (Not Found) <em class="bcp14">MAY</em> be used instead.
    17861789      </p>
    17871790      <div id="rfc.iref.43"></div>
    17881791      <div id="rfc.iref.s.23"></div>
    1789       <h3 id="rfc.section.8.4.5"><a href="#rfc.section.8.4.5">8.4.5</a>&nbsp;<a id="status.404" href="#status.404">404 Not Found</a></h3>
    1790       <p id="rfc.section.8.4.5.p.1">The server has not found anything matching the effective request URI. No indication is given of whether the condition is temporary
     1792      <h3 id="rfc.section.7.4.5"><a href="#rfc.section.7.4.5">7.4.5</a>&nbsp;<a id="status.404" href="#status.404">404 Not Found</a></h3>
     1793      <p id="rfc.section.7.4.5.p.1">The server has not found anything matching the effective request URI. No indication is given of whether the condition is temporary
    17911794         or permanent. The 410 (Gone) status code <em class="bcp14">SHOULD</em> be used if the server knows, through some internally configurable mechanism, that an old resource is permanently unavailable
    17921795         and has no forwarding address. This status code is commonly used when the server does not wish to reveal exactly why the request
    … …  
    17951798      <div id="rfc.iref.44"></div>
    17961799      <div id="rfc.iref.s.24"></div>
    1797       <h3 id="rfc.section.8.4.6"><a href="#rfc.section.8.4.6">8.4.6</a>&nbsp;<a id="status.405" href="#status.405">405 Method Not Allowed</a></h3>
    1798       <p id="rfc.section.8.4.6.p.1">The method specified in the Request-Line is not allowed for the target resource. The response <em class="bcp14">MUST</em> include an Allow header field containing a list of valid methods for the requested resource.
     1800      <h3 id="rfc.section.7.4.6"><a href="#rfc.section.7.4.6">7.4.6</a>&nbsp;<a id="status.405" href="#status.405">405 Method Not Allowed</a></h3>
     1801      <p id="rfc.section.7.4.6.p.1">The method specified in the Request-Line is not allowed for the target resource. The response <em class="bcp14">MUST</em> include an Allow header field containing a list of valid methods for the requested resource.
    17991802      </p>
    18001803      <div id="rfc.iref.45"></div>
    18011804      <div id="rfc.iref.s.25"></div>
    1802       <h3 id="rfc.section.8.4.7"><a href="#rfc.section.8.4.7">8.4.7</a>&nbsp;<a id="status.406" href="#status.406">406 Not Acceptable</a></h3>
    1803       <p id="rfc.section.8.4.7.p.1">The resource identified by the request is only capable of generating response representations which have content characteristics
     1805      <h3 id="rfc.section.7.4.7"><a href="#rfc.section.7.4.7">7.4.7</a>&nbsp;<a id="status.406" href="#status.406">406 Not Acceptable</a></h3>
     1806      <p id="rfc.section.7.4.7.p.1">The resource identified by the request is only capable of generating response representations which have content characteristics
    18041807         not acceptable according to the Accept and Accept-* header fields sent in the request (see <a href="p3-payload.html#header.field.definitions" title="Header Field Definitions">Section 6</a> of <a href="#Part3" id="rfc.xref.Part3.8"><cite title="HTTP/1.1, part 3: Message Payload and Content Negotiation">[Part3]</cite></a>).
    18051808      </p>
    1806       <p id="rfc.section.8.4.7.p.2">Unless it was a HEAD request, the response <em class="bcp14">SHOULD</em> include a representation containing a list of available representation characteristics and location(s) from which the user
     1809      <p id="rfc.section.7.4.7.p.2">Unless it was a HEAD request, the response <em class="bcp14">SHOULD</em> include a representation containing a list of available representation characteristics and location(s) from which the user
    18071810         or user agent can choose the one most appropriate. The data format is specified by the media type given in the Content-Type
    18081811         header field. Depending upon the format and the capabilities of the user agent, selection of the most appropriate choice <em class="bcp14">MAY</em> be performed automatically. However, this specification does not define any standard for such automatic selection.
    18091812      </p>
    1810       <div class="note" id="rfc.section.8.4.7.p.3">
     1813      <div class="note" id="rfc.section.7.4.7.p.3">
    18111814         <p> <b>Note:</b> HTTP/1.1 servers are allowed to return responses which are not acceptable according to the accept header fields sent in the
    18121815            request. In some cases, this might even be preferable to sending a 406 response. User agents are encouraged to inspect the
    … …  
    18141817         </p>
    18151818      </div>
    1816       <p id="rfc.section.8.4.7.p.4">If the response could be unacceptable, a user agent <em class="bcp14">SHOULD</em> temporarily stop receipt of more data and query the user for a decision on further actions.
     1819      <p id="rfc.section.7.4.7.p.4">If the response could be unacceptable, a user agent <em class="bcp14">SHOULD</em> temporarily stop receipt of more data and query the user for a decision on further actions.
    18171820      </p>
    18181821      <div id="rfc.iref.46"></div>
    18191822      <div id="rfc.iref.s.26"></div>
    1820       <h3 id="rfc.section.8.4.8"><a href="#rfc.section.8.4.8">8.4.8</a>&nbsp;<a id="status.407" href="#status.407">407 Proxy Authentication Required</a></h3>
    1821       <p id="rfc.section.8.4.8.p.1">This code is similar to 401 (Unauthorized), but indicates that the client must first authenticate itself with the proxy (see <a href="p7-auth.html#status.407" title="407 Proxy Authentication Required">Section 3.2</a> of <a href="#Part7" id="rfc.xref.Part7.9"><cite title="HTTP/1.1, part 7: Authentication">[Part7]</cite></a>).
     1823      <h3 id="rfc.section.7.4.8"><a href="#rfc.section.7.4.8">7.4.8</a>&nbsp;<a id="status.407" href="#status.407">407 Proxy Authentication Required</a></h3>
     1824      <p id="rfc.section.7.4.8.p.1">This code is similar to 401 (Unauthorized), but indicates that the client must first authenticate itself with the proxy (see <a href="p7-auth.html#status.407" title="407 Proxy Authentication Required">Section 3.2</a> of <a href="#Part7" id="rfc.xref.Part7.9"><cite title="HTTP/1.1, part 7: Authentication">[Part7]</cite></a>).
    18221825      </p>
    18231826      <div id="rfc.iref.47"></div>
    18241827      <div id="rfc.iref.s.27"></div>
    1825       <h3 id="rfc.section.8.4.9"><a href="#rfc.section.8.4.9">8.4.9</a>&nbsp;<a id="status.408" href="#status.408">408 Request Timeout</a></h3>
    1826       <p id="rfc.section.8.4.9.p.1">The client did not produce a request within the time that the server was prepared to wait. The client <em class="bcp14">MAY</em> repeat the request without modifications at any later time.
     1828      <h3 id="rfc.section.7.4.9"><a href="#rfc.section.7.4.9">7.4.9</a>&nbsp;<a id="status.408" href="#status.408">408 Request Timeout</a></h3>
     1829      <p id="rfc.section.7.4.9.p.1">The client did not produce a request within the time that the server was prepared to wait. The client <em class="bcp14">MAY</em> repeat the request without modifications at any later time.
    18271830      </p>
    18281831      <div id="rfc.iref.48"></div>
    18291832      <div id="rfc.iref.s.28"></div>
    1830       <h3 id="rfc.section.8.4.10"><a href="#rfc.section.8.4.10">8.4.10</a>&nbsp;<a id="status.409" href="#status.409">409 Conflict</a></h3>
    1831       <p id="rfc.section.8.4.10.p.1">The request could not be completed due to a conflict with the current state of the resource. This code is only allowed in
     1833      <h3 id="rfc.section.7.4.10"><a href="#rfc.section.7.4.10">7.4.10</a>&nbsp;<a id="status.409" href="#status.409">409 Conflict</a></h3>
     1834      <p id="rfc.section.7.4.10.p.1">The request could not be completed due to a conflict with the current state of the resource. This code is only allowed in
    18321835         situations where it is expected that the user might be able to resolve the conflict and resubmit the request. The response
    18331836         body <em class="bcp14">SHOULD</em> include enough information for the user to recognize the source of the conflict. Ideally, the response representation would
    18341837         include enough information for the user or user agent to fix the problem; however, that might not be possible and is not required.
    18351838      </p>
    1836       <p id="rfc.section.8.4.10.p.2">Conflicts are most likely to occur in response to a PUT request. For example, if versioning were being used and the representation
     1839      <p id="rfc.section.7.4.10.p.2">Conflicts are most likely to occur in response to a PUT request. For example, if versioning were being used and the representation
    18371840         being PUT included changes to a resource which conflict with those made by an earlier (third-party) request, the server might
    18381841         use the 409 response to indicate that it can't complete the request. In this case, the response representation would likely
    … …  
    18411844      <div id="rfc.iref.49"></div>
    18421845      <div id="rfc.iref.s.29"></div>
    1843       <h3 id="rfc.section.8.4.11"><a href="#rfc.section.8.4.11">8.4.11</a>&nbsp;<a id="status.410" href="#status.410">410 Gone</a></h3>
    1844       <p id="rfc.section.8.4.11.p.1">The target resource is no longer available at the server and no forwarding address is known. This condition is expected to
     1846      <h3 id="rfc.section.7.4.11"><a href="#rfc.section.7.4.11">7.4.11</a>&nbsp;<a id="status.410" href="#status.410">410 Gone</a></h3>
     1847      <p id="rfc.section.7.4.11.p.1">The target resource is no longer available at the server and no forwarding address is known. This condition is expected to
    18451848         be considered permanent. Clients with link editing capabilities <em class="bcp14">SHOULD</em> delete references to the effective request URI after user approval. If the server does not know, or has no facility to determine,
    18461849         whether or not the condition is permanent, the status code 404 (Not Found) <em class="bcp14">SHOULD</em> be used instead.
    18471850      </p>
    1848       <p id="rfc.section.8.4.11.p.2">The 410 response is primarily intended to assist the task of web maintenance by notifying the recipient that the resource
     1851      <p id="rfc.section.7.4.11.p.2">The 410 response is primarily intended to assist the task of web maintenance by notifying the recipient that the resource
    18491852         is intentionally unavailable and that the server owners desire that remote links to that resource be removed. Such an event
    18501853         is common for limited-time, promotional services and for resources belonging to individuals no longer working at the server's
    … …  
    18521855         — that is left to the discretion of the server owner.
    18531856      </p>
    1854       <p id="rfc.section.8.4.11.p.3">Caches <em class="bcp14">MAY</em> use a heuristic (see <a href="p6-cache.html#heuristic.freshness" title="Calculating Heuristic Freshness">Section 2.3.1.1</a> of <a href="#Part6" id="rfc.xref.Part6.17"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>) to determine freshness for 410 responses.
     1857      <p id="rfc.section.7.4.11.p.3">Caches <em class="bcp14">MAY</em> use a heuristic (see <a href="p6-cache.html#heuristic.freshness" title="Calculating Heuristic Freshness">Section 2.3.1.1</a> of <a href="#Part6" id="rfc.xref.Part6.17"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>) to determine freshness for 410 responses.
    18551858      </p>
    18561859      <div id="rfc.iref.50"></div>
    18571860      <div id="rfc.iref.s.30"></div>
    1858       <h3 id="rfc.section.8.4.12"><a href="#rfc.section.8.4.12">8.4.12</a>&nbsp;<a id="status.411" href="#status.411">411 Length Required</a></h3>
    1859       <p id="rfc.section.8.4.12.p.1">The server refuses to accept the request without a defined Content-Length. The client <em class="bcp14">MAY</em> repeat the request if it adds a valid Content-Length header field containing the length of the message-body in the request
     1861      <h3 id="rfc.section.7.4.12"><a href="#rfc.section.7.4.12">7.4.12</a>&nbsp;<a id="status.411" href="#status.411">411 Length Required</a></h3>
     1862      <p id="rfc.section.7.4.12.p.1">The server refuses to accept the request without a defined Content-Length. The client <em class="bcp14">MAY</em> repeat the request if it adds a valid Content-Length header field containing the length of the message-body in the request
    18601863         message.
    18611864      </p>
    18621865      <div id="rfc.iref.51"></div>
    18631866      <div id="rfc.iref.s.31"></div>
    1864       <h3 id="rfc.section.8.4.13"><a href="#rfc.section.8.4.13">8.4.13</a>&nbsp;<a id="status.412" href="#status.412">412 Precondition Failed</a></h3>
    1865       <p id="rfc.section.8.4.13.p.1">The precondition given in one or more of the header fields evaluated to false when it was tested on the server, as defined
     1867      <h3 id="rfc.section.7.4.13"><a href="#rfc.section.7.4.13">7.4.13</a>&nbsp;<a id="status.412" href="#status.412">412 Precondition Failed</a></h3>
     1868      <p id="rfc.section.7.4.13.p.1">The precondition given in one or more of the header fields evaluated to false when it was tested on the server, as defined
    18661869         in <a href="p4-conditional.html#status.412" title="412 Precondition Failed">Section 4.2</a> of <a href="#Part4" id="rfc.xref.Part4.11"><cite title="HTTP/1.1, part 4: Conditional Requests">[Part4]</cite></a>.
    18671870      </p>
    18681871      <div id="rfc.iref.52"></div>
    18691872      <div id="rfc.iref.s.32"></div>
    1870       <h3 id="rfc.section.8.4.14"><a href="#rfc.section.8.4.14">8.4.14</a>&nbsp;<a id="status.413" href="#status.413">413 Request Representation Too Large</a></h3>
    1871       <p id="rfc.section.8.4.14.p.1">The server is refusing to process a request because the request representation is larger than the server is willing or able
     1873      <h3 id="rfc.section.7.4.14"><a href="#rfc.section.7.4.14">7.4.14</a>&nbsp;<a id="status.413" href="#status.413">413 Request Representation Too Large</a></h3>
     1874      <p id="rfc.section.7.4.14.p.1">The server is refusing to process a request because the request representation is larger than the server is willing or able
    18721875         to process. The server <em class="bcp14">MAY</em> close the connection to prevent the client from continuing the request.
    18731876      </p>
    1874       <p id="rfc.section.8.4.14.p.2">If the condition is temporary, the server <em class="bcp14">SHOULD</em> include a Retry-After header field to indicate that it is temporary and after what time the client <em class="bcp14">MAY</em> try again.
     1877      <p id="rfc.section.7.4.14.p.2">If the condition is temporary, the server <em class="bcp14">SHOULD</em> include a Retry-After header field to indicate that it is temporary and after what time the client <em class="bcp14">MAY</em> try again.
    18751878      </p>
    18761879      <div id="rfc.iref.53"></div>
    18771880      <div id="rfc.iref.s.33"></div>
    1878       <h3 id="rfc.section.8.4.15"><a href="#rfc.section.8.4.15">8.4.15</a>&nbsp;<a id="status.414" href="#status.414">414 URI Too Long</a></h3>
    1879       <p id="rfc.section.8.4.15.p.1">The server is refusing to service the request because the effective request URI is longer than the server is willing to interpret.
     1881      <h3 id="rfc.section.7.4.15"><a href="#rfc.section.7.4.15">7.4.15</a>&nbsp;<a id="status.414" href="#status.414">414 URI Too Long</a></h3>
     1882      <p id="rfc.section.7.4.15.p.1">The server is refusing to service the request because the effective request URI is longer than the server is willing to interpret.
    18801883         This rare condition is only likely to occur when a client has improperly converted a POST request to a GET request with long
    18811884         query information, when the client has descended into a URI "black hole" of redirection (e.g., a redirected URI prefix that
    … …  
    18851888      <div id="rfc.iref.54"></div>
    18861889      <div id="rfc.iref.s.34"></div>
    1887       <h3 id="rfc.section.8.4.16"><a href="#rfc.section.8.4.16">8.4.16</a>&nbsp;<a id="status.415" href="#status.415">415 Unsupported Media Type</a></h3>
    1888       <p id="rfc.section.8.4.16.p.1">The server is refusing to service the request because the request payload is in a format not supported by this request method
     1890      <h3 id="rfc.section.7.4.16"><a href="#rfc.section.7.4.16">7.4.16</a>&nbsp;<a id="status.415" href="#status.415">415 Unsupported Media Type</a></h3>
     1891      <p id="rfc.section.7.4.16.p.1">The server is refusing to service the request because the request payload is in a format not supported by this request method
    18891892         on the target resource.
    18901893      </p>
    18911894      <div id="rfc.iref.55"></div>
    18921895      <div id="rfc.iref.s.35"></div>
    1893       <h3 id="rfc.section.8.4.17"><a href="#rfc.section.8.4.17">8.4.17</a>&nbsp;<a id="status.416" href="#status.416">416 Requested Range Not Satisfiable</a></h3>
    1894       <p id="rfc.section.8.4.17.p.1">The request included a Range header field (<a href="p5-range.html#header.range" title="Range">Section 5.4</a> of <a href="#Part5" id="rfc.xref.Part5.9"><cite title="HTTP/1.1, part 5: Range Requests and Partial Responses">[Part5]</cite></a>) and none of the range-specifier values in this field overlap the current extent of the selected resource. See <a href="p5-range.html#status.416" title="416 Requested Range Not Satisfiable">Section 3.2</a> of <a href="#Part5" id="rfc.xref.Part5.10"><cite title="HTTP/1.1, part 5: Range Requests and Partial Responses">[Part5]</cite></a>.
     1896      <h3 id="rfc.section.7.4.17"><a href="#rfc.section.7.4.17">7.4.17</a>&nbsp;<a id="status.416" href="#status.416">416 Requested Range Not Satisfiable</a></h3>
     1897      <p id="rfc.section.7.4.17.p.1">The request included a Range header field (<a href="p5-range.html#header.range" title="Range">Section 5.4</a> of <a href="#Part5" id="rfc.xref.Part5.9"><cite title="HTTP/1.1, part 5: Range Requests and Partial Responses">[Part5]</cite></a>) and none of the range-specifier values in this field overlap the current extent of the selected resource. See <a href="p5-range.html#status.416" title="416 Requested Range Not Satisfiable">Section 3.2</a> of <a href="#Part5" id="rfc.xref.Part5.10"><cite title="HTTP/1.1, part 5: Range Requests and Partial Responses">[Part5]</cite></a>.
    18951898      </p>
    18961899      <div id="rfc.iref.56"></div>
    18971900      <div id="rfc.iref.s.36"></div>
    1898       <h3 id="rfc.section.8.4.18"><a href="#rfc.section.8.4.18">8.4.18</a>&nbsp;<a id="status.417" href="#status.417">417 Expectation Failed</a></h3>
    1899       <p id="rfc.section.8.4.18.p.1">The expectation given in an Expect header field (see <a href="#header.expect" id="rfc.xref.header.expect.2" title="Expect">Section&nbsp;9.2</a>) could not be met by this server, or, if the server is a proxy, the server has unambiguous evidence that the request could
     1901      <h3 id="rfc.section.7.4.18"><a href="#rfc.section.7.4.18">7.4.18</a>&nbsp;<a id="status.417" href="#status.417">417 Expectation Failed</a></h3>
     1902      <p id="rfc.section.7.4.18.p.1">The expectation given in an Expect header field (see <a href="#header.expect" id="rfc.xref.header.expect.2" title="Expect">Section&nbsp;8.2</a>) could not be met by this server, or, if the server is a proxy, the server has unambiguous evidence that the request could
    19001903         not be met by the next-hop server.
    19011904      </p>
    19021905      <div id="rfc.iref.57"></div>
    19031906      <div id="rfc.iref.s.37"></div>
    1904       <h3 id="rfc.section.8.4.19"><a href="#rfc.section.8.4.19">8.4.19</a>&nbsp;<a id="status.426" href="#status.426">426 Upgrade Required</a></h3>
    1905       <p id="rfc.section.8.4.19.p.1">The request can not be completed without a prior protocol upgrade. This response <em class="bcp14">MUST</em> include an Upgrade header field (<a href="p1-messaging.html#header.upgrade" title="Upgrade">Section 9.8</a> of <a href="#Part1" id="rfc.xref.Part1.29"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>) specifying the required protocols.
     1907      <h3 id="rfc.section.7.4.19"><a href="#rfc.section.7.4.19">7.4.19</a>&nbsp;<a id="status.426" href="#status.426">426 Upgrade Required</a></h3>
     1908      <p id="rfc.section.7.4.19.p.1">The request can not be completed without a prior protocol upgrade. This response <em class="bcp14">MUST</em> include an Upgrade header field (<a href="p1-messaging.html#header.upgrade" title="Upgrade">Section 9.8</a> of <a href="#Part1" id="rfc.xref.Part1.29"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>) specifying the required protocols.
    19061909      </p>
    19071910      <div id="rfc.figure.u.7"></div>
    … …  
    19101913Connection: Upgrade
    19111914
    1912 </pre><p id="rfc.section.8.4.19.p.3">The server <em class="bcp14">SHOULD</em> include a message body in the 426 response which indicates in human readable form the reason for the error and describes any
     1915</pre><p id="rfc.section.7.4.19.p.3">The server <em class="bcp14">SHOULD</em> include a message body in the 426 response which indicates in human readable form the reason for the error and describes any
    19131916         alternative courses which may be available to the user.
    19141917      </p>
    1915       <h2 id="rfc.section.8.5"><a href="#rfc.section.8.5">8.5</a>&nbsp;<a id="status.5xx" href="#status.5xx">Server Error 5xx</a></h2>
    1916       <p id="rfc.section.8.5.p.1">Response status codes beginning with the digit "5" indicate cases in which the server is aware that it has erred or is incapable
     1918      <h2 id="rfc.section.7.5"><a href="#rfc.section.7.5">7.5</a>&nbsp;<a id="status.5xx" href="#status.5xx">Server Error 5xx</a></h2>
     1919      <p id="rfc.section.7.5.p.1">Response status codes beginning with the digit "5" indicate cases in which the server is aware that it has erred or is incapable
    19171920         of performing the request. Except when responding to a HEAD request, the server <em class="bcp14">SHOULD</em> include a representation containing an explanation of the error situation, and whether it is a temporary or permanent condition.
    19181921         User agents <em class="bcp14">SHOULD</em> display any included representation to the user. These response codes are applicable to any request method.
    … …  
    19201923      <div id="rfc.iref.58"></div>
    19211924      <div id="rfc.iref.s.38"></div>
    1922       <h3 id="rfc.section.8.5.1"><a href="#rfc.section.8.5.1">8.5.1</a>&nbsp;<a id="status.500" href="#status.500">500 Internal Server Error</a></h3>
    1923       <p id="rfc.section.8.5.1.p.1">The server encountered an unexpected condition which prevented it from fulfilling the request.</p>
     1925      <h3 id="rfc.section.7.5.1"><a href="#rfc.section.7.5.1">7.5.1</a>&nbsp;<a id="status.500" href="#status.500">500 Internal Server Error</a></h3>
     1926      <p id="rfc.section.7.5.1.p.1">The server encountered an unexpected condition which prevented it from fulfilling the request.</p>
    19241927      <div id="rfc.iref.59"></div>
    19251928      <div id="rfc.iref.s.39"></div>
    1926       <h3 id="rfc.section.8.5.2"><a href="#rfc.section.8.5.2">8.5.2</a>&nbsp;<a id="status.501" href="#status.501">501 Not Implemented</a></h3>
    1927       <p id="rfc.section.8.5.2.p.1">The server does not support the functionality required to fulfill the request. This is the appropriate response when the server
     1929      <h3 id="rfc.section.7.5.2"><a href="#rfc.section.7.5.2">7.5.2</a>&nbsp;<a id="status.501" href="#status.501">501 Not Implemented</a></h3>
     1930      <p id="rfc.section.7.5.2.p.1">The server does not support the functionality required to fulfill the request. This is the appropriate response when the server
    19281931         does not recognize the request method and is not capable of supporting it for any resource.
    19291932      </p>
    19301933      <div id="rfc.iref.60"></div>
    19311934      <div id="rfc.iref.s.40"></div>
    1932       <h3 id="rfc.section.8.5.3"><a href="#rfc.section.8.5.3">8.5.3</a>&nbsp;<a id="status.502" href="#status.502">502 Bad Gateway</a></h3>
    1933       <p id="rfc.section.8.5.3.p.1">The server, while acting as a gateway or proxy, received an invalid response from the upstream server it accessed in attempting
     1935      <h3 id="rfc.section.7.5.3"><a href="#rfc.section.7.5.3">7.5.3</a>&nbsp;<a id="status.502" href="#status.502">502 Bad Gateway</a></h3>
     1936      <p id="rfc.section.7.5.3.p.1">The server, while acting as a gateway or proxy, received an invalid response from the upstream server it accessed in attempting
    19341937         to fulfill the request.
    19351938      </p>
    19361939      <div id="rfc.iref.61"></div>
    19371940      <div id="rfc.iref.s.41"></div>
    1938       <h3 id="rfc.section.8.5.4"><a href="#rfc.section.8.5.4">8.5.4</a>&nbsp;<a id="status.503" href="#status.503">503 Service Unavailable</a></h3>
    1939       <p id="rfc.section.8.5.4.p.1">The server is currently unable or unwilling to handle the request due to reasons such as temporary overloading, maintenance
     1941      <h3 id="rfc.section.7.5.4"><a href="#rfc.section.7.5.4">7.5.4</a>&nbsp;<a id="status.503" href="#status.503">503 Service Unavailable</a></h3>
     1942      <p id="rfc.section.7.5.4.p.1">The server is currently unable or unwilling to handle the request due to reasons such as temporary overloading, maintenance
    19401943         of the server, or rate limiting of the client.
    19411944      </p>
    1942       <p id="rfc.section.8.5.4.p.2">The implication is that this is a temporary condition which will be alleviated after some delay. If known, the length of the
    1943          delay <em class="bcp14">MAY</em> be indicated in a Retry-After header field (<a href="#header.retry-after" id="rfc.xref.header.retry-after.2" title="Retry-After">Section&nbsp;9.7</a>). If no Retry-After is given, the client <em class="bcp14">SHOULD</em> handle the response as it would for a 500 response.
    1944       </p>
    1945       <div class="note" id="rfc.section.8.5.4.p.3">
     1945      <p id="rfc.section.7.5.4.p.2">The implication is that this is a temporary condition which will be alleviated after some delay. If known, the length of the
     1946         delay <em class="bcp14">MAY</em> be indicated in a Retry-After header field (<a href="#header.retry-after" id="rfc.xref.header.retry-after.2" title="Retry-After">Section&nbsp;8.7</a>). If no Retry-After is given, the client <em class="bcp14">SHOULD</em> handle the response as it would for a 500 response.
     1947      </p>
     1948      <div class="note" id="rfc.section.7.5.4.p.3">
    19461949         <p> <b>Note:</b> The existence of the 503 status code does not imply that a server must use it when becoming overloaded. Some servers might
    19471950            wish to simply refuse the connection.
    … …  
    19501953      <div id="rfc.iref.62"></div>
    19511954      <div id="rfc.iref.s.42"></div>
    1952       <h3 id="rfc.section.8.5.5"><a href="#rfc.section.8.5.5">8.5.5</a>&nbsp;<a id="status.504" href="#status.504">504 Gateway Timeout</a></h3>
    1953       <p id="rfc.section.8.5.5.p.1">The server, while acting as a gateway or proxy, did not receive a timely response from the upstream server specified by the
     1955      <h3 id="rfc.section.7.5.5"><a href="#rfc.section.7.5.5">7.5.5</a>&nbsp;<a id="status.504" href="#status.504">504 Gateway Timeout</a></h3>
     1956      <p id="rfc.section.7.5.5.p.1">The server, while acting as a gateway or proxy, did not receive a timely response from the upstream server specified by the
    19541957         URI (e.g., HTTP, FTP, LDAP) or some other auxiliary server (e.g., DNS) it needed to access in attempting to complete the request.
    19551958      </p>
    1956       <div class="note" id="rfc.section.8.5.5.p.2">
     1959      <div class="note" id="rfc.section.7.5.5.p.2">
    19571960         <p> <b>Note</b> to implementors: some deployed proxies are known to return 400 or 500 when DNS lookups time out.
    19581961         </p>
    … …  
    19601963      <div id="rfc.iref.63"></div>
    19611964      <div id="rfc.iref.s.43"></div>
    1962       <h3 id="rfc.section.8.5.6"><a href="#rfc.section.8.5.6">8.5.6</a>&nbsp;<a id="status.505" href="#status.505">505 HTTP Version Not Supported</a></h3>
    1963       <p id="rfc.section.8.5.6.p.1">The server does not support, or refuses to support, the protocol version that was used in the request message. The server
     1965      <h3 id="rfc.section.7.5.6"><a href="#rfc.section.7.5.6">7.5.6</a>&nbsp;<a id="status.505" href="#status.505">505 HTTP Version Not Supported</a></h3>
     1966      <p id="rfc.section.7.5.6.p.1">The server does not support, or refuses to support, the protocol version that was used in the request message. The server
    19641967         is indicating that it is unable or unwilling to complete the request using the same major version as the client, as described
    19651968         in <a href="p1-messaging.html#http.version" title="Protocol Versioning">Section 2.6</a> of <a href="#Part1" id="rfc.xref.Part1.30"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>, other than with this error message. The response <em class="bcp14">SHOULD</em> contain a representation describing why that version is not supported and what other protocols are supported by that server.
    19661969      </p>
    1967       <h1 id="rfc.section.9"><a href="#rfc.section.9">9.</a>&nbsp;<a id="header.field.definitions" href="#header.field.definitions">Header Field Definitions</a></h1>
    1968       <p id="rfc.section.9.p.1">This section defines the syntax and semantics of HTTP/1.1 header fields related to request and response semantics.</p>
     1970      <h1 id="rfc.section.8"><a href="#rfc.section.8">8.</a>&nbsp;<a id="header.field.definitions" href="#header.field.definitions">Header Field Definitions</a></h1>
     1971      <p id="rfc.section.8.p.1">This section defines the syntax and semantics of HTTP/1.1 header fields related to request and response semantics.</p>
    19691972      <div id="rfc.iref.a.1"></div>
    19701973      <div id="rfc.iref.h.2"></div>
    1971       <h2 id="rfc.section.9.1"><a href="#rfc.section.9.1">9.1</a>&nbsp;<a id="header.allow" href="#header.allow">Allow</a></h2>
    1972       <p id="rfc.section.9.1.p.1">The "Allow" header field lists the set of methods advertised as supported by the target resource. The purpose of this field
     1974      <h2 id="rfc.section.8.1"><a href="#rfc.section.8.1">8.1</a>&nbsp;<a id="header.allow" href="#header.allow">Allow</a></h2>
     1975      <p id="rfc.section.8.1.p.1">The "Allow" header field lists the set of methods advertised as supported by the target resource. The purpose of this field
    19731976         is strictly to inform the recipient of valid request methods associated with the resource.
    19741977      </p>
    19751978      <div id="rfc.figure.u.8"></div><pre class="inline"><span id="rfc.iref.g.6"></span>  <a href="#header.allow" class="smpl">Allow</a> = #<a href="#method" class="smpl">Method</a>
    1976 </pre><p id="rfc.section.9.1.p.3">Example of use:</p>
     1979</pre><p id="rfc.section.8.1.p.3">Example of use:</p>
    19771980      <div id="rfc.figure.u.9"></div><pre class="text">  Allow: GET, HEAD, PUT
    1978 </pre><p id="rfc.section.9.1.p.5">The actual set of allowed methods is defined by the origin server at the time of each request.</p>
    1979       <p id="rfc.section.9.1.p.6">A proxy <em class="bcp14">MUST NOT</em> modify the Allow header field — it does not need to understand all the methods specified in order to handle them according
     1981</pre><p id="rfc.section.8.1.p.5">The actual set of allowed methods is defined by the origin server at the time of each request.</p>
     1982      <p id="rfc.section.8.1.p.6">A proxy <em class="bcp14">MUST NOT</em> modify the Allow header field — it does not need to understand all the methods specified in order to handle them according
    19801983         to the generic message handling rules.
    19811984      </p>
    19821985      <div id="rfc.iref.e.1"></div>
    19831986      <div id="rfc.iref.h.3"></div>
    1984       <h2 id="rfc.section.9.2"><a href="#rfc.section.9.2">9.2</a>&nbsp;<a id="header.expect" href="#header.expect">Expect</a></h2>
    1985       <p id="rfc.section.9.2.p.1">The "Expect" header field is used to indicate that particular server behaviors are required by the client.</p>
     1987      <h2 id="rfc.section.8.2"><a href="#rfc.section.8.2">8.2</a>&nbsp;<a id="header.expect" href="#header.expect">Expect</a></h2>
     1988      <p id="rfc.section.8.2.p.1">The "Expect" header field is used to indicate that particular server behaviors are required by the client.</p>
    19861989      <div id="rfc.figure.u.10"></div><pre class="inline"><span id="rfc.iref.g.7"></span><span id="rfc.iref.g.8"></span><span id="rfc.iref.g.9"></span><span id="rfc.iref.g.10"></span>  <a href="#header.expect" class="smpl">Expect</a>       = 1#<a href="#header.expect" class="smpl">expectation</a>
    19871990 
    … …  
    19901993                           *<a href="#header.expect" class="smpl">expect-params</a> ]
    19911994  <a href="#header.expect" class="smpl">expect-params</a> = ";" <a href="#core.rules" class="smpl">token</a> [ "=" ( <a href="#core.rules" class="smpl">token</a> / <a href="#core.rules" class="smpl">quoted-string</a> ) ]
    1992 </pre><p id="rfc.section.9.2.p.3">A server that does not understand or is unable to comply with any of the expectation values in the Expect field of a request <em class="bcp14">MUST</em> respond with appropriate error status code. The server <em class="bcp14">MUST</em> respond with a 417 (Expectation Failed) status code if any of the expectations cannot be met or, if there are other problems
     1995</pre><p id="rfc.section.8.2.p.3">A server that does not understand or is unable to comply with any of the expectation values in the Expect field of a request <em class="bcp14">MUST</em> respond with appropriate error status code. The server <em class="bcp14">MUST</em> respond with a 417 (Expectation Failed) status code if any of the expectations cannot be met or, if there are other problems
    19931996         with the request, some other 4xx status code.
    19941997      </p>
    1995       <p id="rfc.section.9.2.p.4">This header field is defined with extensible syntax to allow for future extensions. If a server receives a request containing
     1998      <p id="rfc.section.8.2.p.4">This header field is defined with extensible syntax to allow for future extensions. If a server receives a request containing
    19961999         an Expect field that includes an expectation-extension that it does not support, it <em class="bcp14">MUST</em> respond with a 417 (Expectation Failed) status code.
    19972000      </p>
    1998       <p id="rfc.section.9.2.p.5">Comparison of expectation values is case-insensitive for unquoted tokens (including the 100-continue token), and is case-sensitive
     2001      <p id="rfc.section.8.2.p.5">Comparison of expectation values is case-insensitive for unquoted tokens (including the 100-continue token), and is case-sensitive
    19992002         for quoted-string expectation-extensions.
    20002003      </p>
    2001       <p id="rfc.section.9.2.p.6">The Expect mechanism is hop-by-hop: that is, an HTTP/1.1 proxy <em class="bcp14">MUST</em> return a 417 (Expectation Failed) status code if it receives a request with an expectation that it cannot meet. However, the
     2004      <p id="rfc.section.8.2.p.6">The Expect mechanism is hop-by-hop: that is, an HTTP/1.1 proxy <em class="bcp14">MUST</em> return a 417 (Expectation Failed) status code if it receives a request with an expectation that it cannot meet. However, the
    20022005         Expect header field itself is end-to-end; it <em class="bcp14">MUST</em> be forwarded if the request is forwarded.
    20032006      </p>
    2004       <p id="rfc.section.9.2.p.7">Many older HTTP/1.0 and HTTP/1.1 applications do not understand the Expect header field.</p>
    2005       <p id="rfc.section.9.2.p.8">See <a href="p1-messaging.html#use.of.the.100.status" title="Use of the 100 (Continue) Status">Section 7.2.3</a> of <a href="#Part1" id="rfc.xref.Part1.31"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a> for the use of the 100 (Continue) status code.
     2007      <p id="rfc.section.8.2.p.7">Many older HTTP/1.0 and HTTP/1.1 applications do not understand the Expect header field.</p>
     2008      <p id="rfc.section.8.2.p.8">See <a href="p1-messaging.html#use.of.the.100.status" title="Use of the 100 (Continue) Status">Section 7.2.3</a> of <a href="#Part1" id="rfc.xref.Part1.31"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a> for the use of the 100 (Continue) status code.
    20062009      </p>
    20072010      <div id="rfc.iref.f.1"></div>
    20082011      <div id="rfc.iref.h.4"></div>
    2009       <h2 id="rfc.section.9.3"><a href="#rfc.section.9.3">9.3</a>&nbsp;<a id="header.from" href="#header.from">From</a></h2>
    2010       <p id="rfc.section.9.3.p.1">The "From" header field, if given, <em class="bcp14">SHOULD</em> contain an Internet e-mail address for the human user who controls the requesting user agent. The address <em class="bcp14">SHOULD</em> be machine-usable, as defined by "mailbox" in <a href="http://tools.ietf.org/html/rfc5322#section-3.4">Section 3.4</a> of <a href="#RFC5322" id="rfc.xref.RFC5322.1"><cite title="Internet Message Format">[RFC5322]</cite></a>:
     2012      <h2 id="rfc.section.8.3"><a href="#rfc.section.8.3">8.3</a>&nbsp;<a id="header.from" href="#header.from">From</a></h2>
     2013      <p id="rfc.section.8.3.p.1">The "From" header field, if given, <em class="bcp14">SHOULD</em> contain an Internet e-mail address for the human user who controls the requesting user agent. The address <em class="bcp14">SHOULD</em> be machine-usable, as defined by "mailbox" in <a href="http://tools.ietf.org/html/rfc5322#section-3.4">Section 3.4</a> of <a href="#RFC5322" id="rfc.xref.RFC5322.1"><cite title="Internet Message Format">[RFC5322]</cite></a>:
    20112014      </p>
    20122015      <div id="rfc.figure.u.11"></div><pre class="inline"><span id="rfc.iref.g.11"></span>  <a href="#header.from" class="smpl">From</a>    = <a href="#header.from" class="smpl">mailbox</a>
    20132016 
    20142017  <a href="#header.from" class="smpl">mailbox</a> = &lt;mailbox, defined in <a href="#RFC5322" id="rfc.xref.RFC5322.2"><cite title="Internet Message Format">[RFC5322]</cite></a>, <a href="http://tools.ietf.org/html/rfc5322#section-3.4">Section 3.4</a>&gt;
    2015 </pre><p id="rfc.section.9.3.p.3">An example is:</p>
     2018</pre><p id="rfc.section.8.3.p.3">An example is:</p>
    20162019      <div id="rfc.figure.u.12"></div><pre class="text">  From: webmaster@example.org
    2017 </pre><p id="rfc.section.9.3.p.5">This header field <em class="bcp14">MAY</em> be used for logging purposes and as a means for identifying the source of invalid or unwanted requests. It <em class="bcp14">SHOULD NOT</em> be used as an insecure form of access protection. The interpretation of this field is that the request is being performed
     2020</pre><p id="rfc.section.8.3.p.5">This header field <em class="bcp14">MAY</em> be used for logging purposes and as a means for identifying the source of invalid or unwanted requests. It <em class="bcp14">SHOULD NOT</em> be used as an insecure form of access protection. The interpretation of this field is that the request is being performed
    20182021         on behalf of the person given, who accepts responsibility for the method performed. In particular, robot agents <em class="bcp14">SHOULD</em> include this header field so that the person responsible for running the robot can be contacted if problems occur on the receiving
    20192022         end.
    20202023      </p>
    2021       <p id="rfc.section.9.3.p.6">The Internet e-mail address in this field <em class="bcp14">MAY</em> be separate from the Internet host which issued the request. For example, when a request is passed through a proxy the original
     2024      <p id="rfc.section.8.3.p.6">The Internet e-mail address in this field <em class="bcp14">MAY</em> be separate from the Internet host which issued the request. For example, when a request is passed through a proxy the original
    20222025         issuer's address <em class="bcp14">SHOULD</em> be used.
    20232026      </p>
    2024       <p id="rfc.section.9.3.p.7">The client <em class="bcp14">SHOULD NOT</em> send the From header field without the user's approval, as it might conflict with the user's privacy interests or their site's
     2027      <p id="rfc.section.8.3.p.7">The client <em class="bcp14">SHOULD NOT</em> send the From header field without the user's approval, as it might conflict with the user's privacy interests or their site's
    20252028         security policy. It is strongly recommended that the user be able to disable, enable, and modify the value of this field at
    20262029         any time prior to a request.
    … …  
    20282031      <div id="rfc.iref.l.1"></div>
    20292032      <div id="rfc.iref.h.5"></div>
    2030       <h2 id="rfc.section.9.4"><a href="#rfc.section.9.4">9.4</a>&nbsp;<a id="header.location" href="#header.location">Location</a></h2>
    2031       <p id="rfc.section.9.4.p.1">The "Location" header field is used to identify a newly created resource, or to redirect the recipient to a different location
     2033      <h2 id="rfc.section.8.4"><a href="#rfc.section.8.4">8.4</a>&nbsp;<a id="header.location" href="#header.location">Location</a></h2>
     2034      <p id="rfc.section.8.4.p.1">The "Location" header field is used to identify a newly created resource, or to redirect the recipient to a different location
    20322035         for completion of the request.
    20332036      </p>
    2034       <p id="rfc.section.9.4.p.2">For 201 (Created) responses, the Location is the URI of the new resource which was created by the request. For 3xx responses,
     2037      <p id="rfc.section.8.4.p.2">For 201 (Created) responses, the Location is the URI of the new resource which was created by the request. For 3xx responses,
    20352038         the location <em class="bcp14">SHOULD</em> indicate the server's preferred URI for automatic redirection to the resource.
    20362039      </p>
    2037       <p id="rfc.section.9.4.p.3">The field value consists of a single URI-reference. When it has the form of a relative reference (<a href="#RFC3986" id="rfc.xref.RFC3986.1"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="http://tools.ietf.org/html/rfc3986#section-4.2">Section 4.2</a>), the final value is computed by resolving it against the effective request URI (<a href="#RFC3986" id="rfc.xref.RFC3986.2"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="http://tools.ietf.org/html/rfc3986#section-5">Section 5</a>).
     2040      <p id="rfc.section.8.4.p.3">The field value consists of a single URI-reference. When it has the form of a relative reference (<a href="#RFC3986" id="rfc.xref.RFC3986.1"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="http://tools.ietf.org/html/rfc3986#section-4.2">Section 4.2</a>), the final value is computed by resolving it against the effective request URI (<a href="#RFC3986" id="rfc.xref.RFC3986.2"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="http://tools.ietf.org/html/rfc3986#section-5">Section 5</a>).
    20382041      </p>
    20392042      <div id="rfc.figure.u.13"></div><pre class="inline"><span id="rfc.iref.g.12"></span>  <a href="#header.location" class="smpl">Location</a> = <a href="#abnf.dependencies" class="smpl">URI-reference</a>
    … …  
    20412044      <p>Examples are:</p>  <pre class="text">  Location: http://www.example.org/pub/WWW/People.html#tim
    20422045</pre><div id="rfc.figure.u.15"></div><pre class="text">  Location: /index.html
    2043 </pre><p id="rfc.section.9.4.p.7">There are circumstances in which a fragment identifier in a Location URI would not be appropriate. For instance, when it appears
     2046</pre><p id="rfc.section.8.4.p.7">There are circumstances in which a fragment identifier in a Location URI would not be appropriate. For instance, when it appears
    20442047         in a 201 Created response, where the Location header field specifies the URI for the entire created resource.
    20452048      </p>
    2046       <div class="note" id="rfc.section.9.4.p.8">
     2049      <div class="note" id="rfc.section.8.4.p.8">
    20472050         <p> <b>Note:</b> This specification does not define precedence rules for the case where the original URI, as navigated to by the user agent,
    20482051            and the Location header field value both contain fragment identifiers. Thus be aware that including fragment identifiers might
    … …  
    20502053         </p>
    20512054      </div>
    2052       <div class="note" id="rfc.section.9.4.p.9">
     2055      <div class="note" id="rfc.section.8.4.p.9">
    20532056         <p> <b>Note:</b> The Content-Location header field (<a href="p3-payload.html#header.content-location" title="Content-Location">Section 6.7</a> of <a href="#Part3" id="rfc.xref.Part3.9"><cite title="HTTP/1.1, part 3: Message Payload and Content Negotiation">[Part3]</cite></a>) differs from Location in that the Content-Location identifies the most specific resource corresponding to the enclosed representation.
    20542057            It is therefore possible for a response to contain header fields for both Location and Content-Location.
    … …  
    20572060      <div id="rfc.iref.m.9"></div>
    20582061      <div id="rfc.iref.h.6"></div>
    2059       <h2 id="rfc.section.9.5"><a href="#rfc.section.9.5">9.5</a>&nbsp;<a id="header.max-forwards" href="#header.max-forwards">Max-Forwards</a></h2>
    2060       <p id="rfc.section.9.5.p.1">The "Max-Forwards" header field provides a mechanism with the TRACE (<a href="#TRACE" id="rfc.xref.TRACE.2" title="TRACE">Section&nbsp;7.8</a>) and OPTIONS (<a href="#OPTIONS" id="rfc.xref.OPTIONS.2" title="OPTIONS">Section&nbsp;7.2</a>) methods to limit the number of times that the request is forwarded by proxies. This can be useful when the client is attempting
     2062      <h2 id="rfc.section.8.5"><a href="#rfc.section.8.5">8.5</a>&nbsp;<a id="header.max-forwards" href="#header.max-forwards">Max-Forwards</a></h2>
     2063      <p id="rfc.section.8.5.p.1">The "Max-Forwards" header field provides a mechanism with the TRACE (<a href="#TRACE" id="rfc.xref.TRACE.2" title="TRACE">Section&nbsp;6.8</a>) and OPTIONS (<a href="#OPTIONS" id="rfc.xref.OPTIONS.2" title="OPTIONS">Section&nbsp;6.2</a>) methods to limit the number of times that the request is forwarded by proxies. This can be useful when the client is attempting
    20612064         to trace a request which appears to be failing or looping in mid-chain.
    20622065      </p>
    20632066      <div id="rfc.figure.u.16"></div><pre class="inline"><span id="rfc.iref.g.13"></span>  <a href="#header.max-forwards" class="smpl">Max-Forwards</a> = 1*<a href="#notation" class="smpl">DIGIT</a>
    2064 </pre><p id="rfc.section.9.5.p.3">The Max-Forwards value is a decimal integer indicating the remaining number of times this request message can be forwarded.</p>
    2065       <p id="rfc.section.9.5.p.4">Each recipient of a TRACE or OPTIONS request containing a Max-Forwards header field <em class="bcp14">MUST</em> check and update its value prior to forwarding the request. If the received value is zero (0), the recipient <em class="bcp14">MUST NOT</em> forward the request; instead, it <em class="bcp14">MUST</em> respond as the final recipient. If the received Max-Forwards value is greater than zero, then the forwarded message <em class="bcp14">MUST</em> contain an updated Max-Forwards field with a value decremented by one (1).
    2066       </p>
    2067       <p id="rfc.section.9.5.p.5">The Max-Forwards header field <em class="bcp14">MAY</em> be ignored for all other request methods.
     2067</pre><p id="rfc.section.8.5.p.3">The Max-Forwards value is a decimal integer indicating the remaining number of times this request message can be forwarded.</p>
     2068      <p id="rfc.section.8.5.p.4">Each recipient of a TRACE or OPTIONS request containing a Max-Forwards header field <em class="bcp14">MUST</em> check and update its value prior to forwarding the request. If the received value is zero (0), the recipient <em class="bcp14">MUST NOT</em> forward the request; instead, it <em class="bcp14">MUST</em> respond as the final recipient. If the received Max-Forwards value is greater than zero, then the forwarded message <em class="bcp14">MUST</em> contain an updated Max-Forwards field with a value decremented by one (1).
     2069      </p>
     2070      <p id="rfc.section.8.5.p.5">The Max-Forwards header field <em class="bcp14">MAY</em> be ignored for all other request methods.
    20682071      </p>
    20692072      <div id="rfc.iref.r.1"></div>
    20702073      <div id="rfc.iref.h.7"></div>
    2071       <h2 id="rfc.section.9.6"><a href="#rfc.section.9.6">9.6</a>&nbsp;<a id="header.referer" href="#header.referer">Referer</a></h2>
    2072       <p id="rfc.section.9.6.p.1">The "Referer" [sic] header field allows the client to specify the URI of the resource from which the effective request URI
     2074      <h2 id="rfc.section.8.6"><a href="#rfc.section.8.6">8.6</a>&nbsp;<a id="header.referer" href="#header.referer">Referer</a></h2>
     2075      <p id="rfc.section.8.6.p.1">The "Referer" [sic] header field allows the client to specify the URI of the resource from which the effective request URI
    20732076         was obtained (the "referrer", although the header field is misspelled.).
    20742077      </p>
    2075       <p id="rfc.section.9.6.p.2">The Referer header field allows servers to generate lists of back-links to resources for interest, logging, optimized caching,
     2078      <p id="rfc.section.8.6.p.2">The Referer header field allows servers to generate lists of back-links to resources for interest, logging, optimized caching,
    20762079         etc. It also allows obsolete or mistyped links to be traced for maintenance. Some servers use Referer as a means of controlling
    20772080         where they allow links from (so-called "deep linking"), but legitimate requests do not always contain a Referer header field.
    20782081      </p>
    2079       <p id="rfc.section.9.6.p.3">If the effective request URI was obtained from a source that does not have its own URI (e.g., input from the user keyboard),
     2082      <p id="rfc.section.8.6.p.3">If the effective request URI was obtained from a source that does not have its own URI (e.g., input from the user keyboard),
    20802083         the Referer field <em class="bcp14">MUST</em> either be sent with the value "about:blank", or not be sent at all. Note that this requirement does not apply to sources with
    20812084         non-HTTP URIs (e.g., FTP).
    20822085      </p>
    20832086      <div id="rfc.figure.u.17"></div><pre class="inline"><span id="rfc.iref.g.14"></span>  <a href="#header.referer" class="smpl">Referer</a> = <a href="#abnf.dependencies" class="smpl">absolute-URI</a> / <a href="#abnf.dependencies" class="smpl">partial-URI</a>
    2084 </pre><p id="rfc.section.9.6.p.5">Example:</p>
     2087</pre><p id="rfc.section.8.6.p.5">Example:</p>
    20852088      <div id="rfc.figure.u.18"></div><pre class="text">  Referer: http://www.example.org/hypertext/Overview.html
    2086 </pre><p id="rfc.section.9.6.p.7">If the field value is a relative URI, it <em class="bcp14">SHOULD</em> be interpreted relative to the effective request URI. The URI <em class="bcp14">MUST NOT</em> include a fragment. See <a href="#encoding.sensitive.information.in.uris" title="Encoding Sensitive Information in URIs">Section&nbsp;11.2</a> for security considerations.
     2089</pre><p id="rfc.section.8.6.p.7">If the field value is a relative URI, it <em class="bcp14">SHOULD</em> be interpreted relative to the effective request URI. The URI <em class="bcp14">MUST NOT</em> include a fragment. See <a href="#encoding.sensitive.information.in.uris" title="Encoding Sensitive Information in URIs">Section&nbsp;10.2</a> for security considerations.
    20872090      </p>
    20882091      <div id="rfc.iref.r.2"></div>
    20892092      <div id="rfc.iref.h.8"></div>
    2090       <h2 id="rfc.section.9.7"><a href="#rfc.section.9.7">9.7</a>&nbsp;<a id="header.retry-after" href="#header.retry-after">Retry-After</a></h2>
    2091       <p id="rfc.section.9.7.p.1">The header "Retry-After" field can be used with a 503 (Service Unavailable) response to indicate how long the service is expected
     2093      <h2 id="rfc.section.8.7"><a href="#rfc.section.8.7">8.7</a>&nbsp;<a id="header.retry-after" href="#header.retry-after">Retry-After</a></h2>
     2094      <p id="rfc.section.8.7.p.1">The header "Retry-After" field can be used with a 503 (Service Unavailable) response to indicate how long the service is expected
    20922095         to be unavailable to the requesting client. This field <em class="bcp14">MAY</em> also be used with any 3xx (Redirection) response to indicate the minimum time the user-agent is asked wait before issuing
    20932096         the redirected request.
    20942097      </p>
    2095       <p id="rfc.section.9.7.p.2">The value of this field can be either an HTTP-date or an integer number of seconds (in decimal) after the time of the response.</p>
     2098      <p id="rfc.section.8.7.p.2">The value of this field can be either an HTTP-date or an integer number of seconds (in decimal) after the time of the response.</p>
    20962099      <div id="rfc.figure.u.19"></div><pre class="inline"><span id="rfc.iref.g.15"></span>  <a href="#header.retry-after" class="smpl">Retry-After</a> = <a href="#abnf.dependencies" class="smpl">HTTP-date</a> / <a href="#rule.delta-seconds" class="smpl">delta-seconds</a>
    20972100</pre><div id="rule.delta-seconds">
    2098          <p id="rfc.section.9.7.p.4">  Time spans are non-negative decimal integers, representing time in seconds.</p>
     2101         <p id="rfc.section.8.7.p.4">  Time spans are non-negative decimal integers, representing time in seconds.</p>
    20992102      </div>
    21002103      <div id="rfc.figure.u.20"></div><pre class="inline"><span id="rfc.iref.g.16"></span>  <a href="#rule.delta-seconds" class="smpl">delta-seconds</a>  = 1*<a href="#notation" class="smpl">DIGIT</a>
    2101 </pre><p id="rfc.section.9.7.p.6">Two examples of its use are</p>
     2104</pre><p id="rfc.section.8.7.p.6">Two examples of its use are</p>
    21022105      <div id="rfc.figure.u.21"></div><pre class="text">  Retry-After: Fri, 31 Dec 1999 23:59:59 GMT
    21032106  Retry-After: 120
    2104 </pre><p id="rfc.section.9.7.p.8">In the latter example, the delay is 2 minutes.</p>
     2107</pre><p id="rfc.section.8.7.p.8">In the latter example, the delay is 2 minutes.</p>
    21052108      <div id="rfc.iref.s.44"></div>
    21062109      <div id="rfc.iref.h.9"></div>
    2107       <h2 id="rfc.section.9.8"><a href="#rfc.section.9.8">9.8</a>&nbsp;<a id="header.server" href="#header.server">Server</a></h2>
    2108       <p id="rfc.section.9.8.p.1">The "Server" header field contains information about the software used by the origin server to handle the request.</p>
    2109       <p id="rfc.section.9.8.p.2">The field can contain multiple product tokens (<a href="p1-messaging.html#product.tokens" title="Product Tokens">Section 6.3</a> of <a href="#Part1" id="rfc.xref.Part1.32"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>) and comments (<a href="p1-messaging.html#header.fields" title="Header Fields">Section 3.2</a> of <a href="#Part1" id="rfc.xref.Part1.33"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>) identifying the server and any significant subproducts. The product tokens are listed in order of their significance for
     2110      <h2 id="rfc.section.8.8"><a href="#rfc.section.8.8">8.8</a>&nbsp;<a id="header.server" href="#header.server">Server</a></h2>
     2111      <p id="rfc.section.8.8.p.1">The "Server" header field contains information about the software used by the origin server to handle the request.</p>
     2112      <p id="rfc.section.8.8.p.2">The field can contain multiple product tokens (<a href="p1-messaging.html#product.tokens" title="Product Tokens">Section 6.3</a> of <a href="#Part1" id="rfc.xref.Part1.32"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>) and comments (<a href="p1-messaging.html#header.fields" title="Header Fields">Section 3.2</a> of <a href="#Part1" id="rfc.xref.Part1.33"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>) identifying the server and any significant subproducts. The product tokens are listed in order of their significance for
    21102113         identifying the application.
    21112114      </p>
    21122115      <div id="rfc.figure.u.22"></div><pre class="inline"><span id="rfc.iref.g.17"></span>  <a href="#header.server" class="smpl">Server</a> = <a href="#abnf.dependencies" class="smpl">product</a> *( <a href="#core.rules" class="smpl">RWS</a> ( <a href="#abnf.dependencies" class="smpl">product</a> / <a href="#abnf.dependencies" class="smpl">comment</a> ) )
    2113 </pre><p id="rfc.section.9.8.p.4">Example:</p>
     2116</pre><p id="rfc.section.8.8.p.4">Example:</p>
    21142117      <div id="rfc.figure.u.23"></div><pre class="text">  Server: CERN/3.0 libwww/2.17
    2115 </pre><p id="rfc.section.9.8.p.6">If the response is being forwarded through a proxy, the proxy application <em class="bcp14">MUST NOT</em> modify the Server header field. Instead, it <em class="bcp14">MUST</em> include a Via field (as described in <a href="p1-messaging.html#header.via" title="Via">Section 9.9</a> of <a href="#Part1" id="rfc.xref.Part1.34"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>).
    2116       </p>
    2117       <div class="note" id="rfc.section.9.8.p.7">
     2118</pre><p id="rfc.section.8.8.p.6">If the response is being forwarded through a proxy, the proxy application <em class="bcp14">MUST NOT</em> modify the Server header field. Instead, it <em class="bcp14">MUST</em> include a Via field (as described in <a href="p1-messaging.html#header.via" title="Via">Section 9.9</a> of <a href="#Part1" id="rfc.xref.Part1.34"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>).
     2119      </p>
     2120      <div class="note" id="rfc.section.8.8.p.7">
    21182121         <p> <b>Note:</b> Revealing the specific software version of the server might allow the server machine to become more vulnerable to attacks
    21192122            against software that is known to contain security holes. Server implementors are encouraged to make this field a configurable
    … …  
    21232126      <div id="rfc.iref.u.1"></div>
    21242127      <div id="rfc.iref.h.10"></div>
    2125       <h2 id="rfc.section.9.9"><a href="#rfc.section.9.9">9.9</a>&nbsp;<a id="header.user-agent" href="#header.user-agent">User-Agent</a></h2>
    2126       <p id="rfc.section.9.9.p.1">The "User-Agent" header field contains information about the user agent originating the request. User agents <em class="bcp14">SHOULD</em> include this field with requests.
    2127       </p>
    2128       <p id="rfc.section.9.9.p.2">Typically, it is used for statistical purposes, the tracing of protocol violations, and tailoring responses to avoid particular
     2128      <h2 id="rfc.section.8.9"><a href="#rfc.section.8.9">8.9</a>&nbsp;<a id="header.user-agent" href="#header.user-agent">User-Agent</a></h2>
     2129      <p id="rfc.section.8.9.p.1">The "User-Agent" header field contains information about the user agent originating the request. User agents <em class="bcp14">SHOULD</em> include this field with requests.
     2130      </p>
     2131      <p id="rfc.section.8.9.p.2">Typically, it is used for statistical purposes, the tracing of protocol violations, and tailoring responses to avoid particular
    21292132         user agent limitations.
    21302133      </p>
    2131       <p id="rfc.section.9.9.p.3">The field can contain multiple product tokens (<a href="p1-messaging.html#product.tokens" title="Product Tokens">Section 6.3</a> of <a href="#Part1" id="rfc.xref.Part1.35"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>) and comments (<a href="p1-messaging.html#header.fields" title="Header Fields">Section 3.2</a> of <a href="#Part1" id="rfc.xref.Part1.36"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>) identifying the agent and its significant subproducts. By convention, the product tokens are listed in order of their significance
     2134      <p id="rfc.section.8.9.p.3">The field can contain multiple product tokens (<a href="p1-messaging.html#product.tokens" title="Product Tokens">Section 6.3</a> of <a href="#Part1" id="rfc.xref.Part1.35"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>) and comments (<a href="p1-messaging.html#header.fields" title="Header Fields">Section 3.2</a> of <a href="#Part1" id="rfc.xref.Part1.36"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>) identifying the agent and its significant subproducts. By convention, the product tokens are listed in order of their significance
    21322135         for identifying the application.
    21332136      </p>
    2134       <p id="rfc.section.9.9.p.4">Because this field is usually sent on every request a user agent makes, implementations are encouraged not to include needlessly
     2137      <p id="rfc.section.8.9.p.4">Because this field is usually sent on every request a user agent makes, implementations are encouraged not to include needlessly
    21352138         fine-grained detail, and to limit (or even prohibit) the addition of subproducts by third parties. Overly long and detailed
    21362139         User-Agent field values make requests larger and can also be used to identify ("fingerprint") the user against their wishes.
    21372140      </p>
    2138       <p id="rfc.section.9.9.p.5">Likewise, implementations are encouraged not to use the product tokens of other implementations in order to declare compatibility
     2141      <p id="rfc.section.8.9.p.5">Likewise, implementations are encouraged not to use the product tokens of other implementations in order to declare compatibility
    21392142         with them, as this circumvents the purpose of the field. Finally, they are encouraged not to use comments to identify products;
    21402143         doing so makes the field value more difficult to parse.
    21412144      </p>
    21422145      <div id="rfc.figure.u.24"></div><pre class="inline"><span id="rfc.iref.g.18"></span>  <a href="#header.user-agent" class="smpl">User-Agent</a> = <a href="#abnf.dependencies" class="smpl">product</a> *( <a href="#core.rules" class="smpl">RWS</a> ( <a href="#abnf.dependencies" class="smpl">product</a> / <a href="#abnf.dependencies" class="smpl">comment</a> ) )
    2143 </pre><p id="rfc.section.9.9.p.7">Example:</p>
     2146</pre><p id="rfc.section.8.9.p.7">Example:</p>
    21442147      <div id="rfc.figure.u.25"></div><pre class="text">  User-Agent: CERN-LineMode/2.15 libwww/2.17b3
    2145 </pre><h1 id="rfc.section.10"><a href="#rfc.section.10">10.</a>&nbsp;<a id="IANA.considerations" href="#IANA.considerations">IANA Considerations</a></h1>
    2146       <h2 id="rfc.section.10.1"><a href="#rfc.section.10.1">10.1</a>&nbsp;<a id="method.registration" href="#method.registration">Method Registry</a></h2>
    2147       <p id="rfc.section.10.1.p.1">The registration procedure for HTTP request methods is defined by <a href="#method.registry" title="Method Registry">Section&nbsp;2.2</a> of this document.
    2148       </p>
    2149       <p id="rfc.section.10.1.p.2">The HTTP Method Registry shall be created at &lt;<a href="http://www.iana.org/assignments/http-methods">http://www.iana.org/assignments/http-methods</a>&gt; and be populated with the registrations below:
     2148</pre><h1 id="rfc.section.9"><a href="#rfc.section.9">9.</a>&nbsp;<a id="IANA.considerations" href="#IANA.considerations">IANA Considerations</a></h1>
     2149      <h2 id="rfc.section.9.1"><a href="#rfc.section.9.1">9.1</a>&nbsp;<a id="method.registration" href="#method.registration">Method Registry</a></h2>
     2150      <p id="rfc.section.9.1.p.1">The registration procedure for HTTP request methods is defined by <a href="#method.registry" title="Method Registry">Section&nbsp;2.2</a> of this document.
     2151      </p>
     2152      <p id="rfc.section.9.1.p.2">The HTTP Method Registry shall be created at &lt;<a href="http://www.iana.org/assignments/http-methods">http://www.iana.org/assignments/http-methods</a>&gt; and be populated with the registrations below:
    21502153      </p>
    21512154      <div id="rfc.table.1">
    … …  
    21632166                  <td class="left">CONNECT</td>
    21642167                  <td class="left">no</td>
    2165                   <td class="left"> <a href="#CONNECT" id="rfc.xref.CONNECT.2" title="CONNECT">Section&nbsp;7.9</a>
     2168                  <td class="left"> <a href="#CONNECT" id="rfc.xref.CONNECT.2" title="CONNECT">Section&nbsp;6.9</a>
    21662169                  </td>
    21672170               </tr>
    … …  
    21692172                  <td class="left">DELETE</td>
    21702173                  <td class="left">no</td>
    2171                   <td class="left"> <a href="#DELETE" id="rfc.xref.DELETE.2" title="DELETE">Section&nbsp;7.7</a>
     2174                  <td class="left"> <a href="#DELETE" id="rfc.xref.DELETE.2" title="DELETE">Section&nbsp;6.7</a>
    21722175                  </td>
    21732176               </tr>
    … …  
    21752178                  <td class="left">GET</td>
    21762179                  <td class="left">yes</td>
    2177                   <td class="left"> <a href="#GET" id="rfc.xref.GET.2" title="GET">Section&nbsp;7.3</a>
     2180                  <td class="left"> <a href="#GET" id="rfc.xref.GET.2" title="GET">Section&nbsp;6.3</a>
    21782181                  </td>
    21792182               </tr>
    … …  
    21812184                  <td class="left">HEAD</td>
    21822185                  <td class="left">yes</td>
    2183                   <td class="left"> <a href="#HEAD" id="rfc.xref.HEAD.2" title="HEAD">Section&nbsp;7.4</a>
     2186                  <td class="left"> <a href="#HEAD" id="rfc.xref.HEAD.2" title="HEAD">Section&nbsp;6.4</a>
    21842187                  </td>
    21852188               </tr>
    … …  
    21872190                  <td class="left">OPTIONS</td>
    21882191                  <td class="left">yes</td>
    2189                   <td class="left"> <a href="#OPTIONS" id="rfc.xref.OPTIONS.3" title="OPTIONS">Section&nbsp;7.2</a>
     2192                  <td class="left"> <a href="#OPTIONS" id="rfc.xref.OPTIONS.3" title="OPTIONS">Section&nbsp;6.2</a>
    21902193                  </td>
    21912194               </tr>
    … …  
    21932196                  <td class="left">POST</td>
    21942197                  <td class="left">no</td>
    2195                   <td class="left"> <a href="#POST" id="rfc.xref.POST.2" title="POST">Section&nbsp;7.5</a>
     2198                  <td class="left"> <a href="#POST" id="rfc.xref.POST.2" title="POST">Section&nbsp;6.5</a>
    21962199                  </td>
    21972200               </tr>
    … …  
    21992202                  <td class="left">PUT</td>
    22002203                  <td class="left">no</td>
    2201                   <td class="left"> <a href="#PUT" id="rfc.xref.PUT.2" title="PUT">Section&nbsp;7.6</a>
     2204                  <td class="left"> <a href="#PUT" id="rfc.xref.PUT.2" title="PUT">Section&nbsp;6.6</a>
    22022205                  </td>
    22032206               </tr>
    … …  
    22052208                  <td class="left">TRACE</td>
    22062209                  <td class="left">yes</td>
    2207                   <td class="left"> <a href="#TRACE" id="rfc.xref.TRACE.3" title="TRACE">Section&nbsp;7.8</a>
     2210                  <td class="left"> <a href="#TRACE" id="rfc.xref.TRACE.3" title="TRACE">Section&nbsp;6.8</a>
    22082211                  </td>
    22092212               </tr>
    … …  
    22112214         </table>
    22122215      </div>
    2213       <h2 id="rfc.section.10.2"><a href="#rfc.section.10.2">10.2</a>&nbsp;<a id="status.code.registration" href="#status.code.registration">Status Code Registry</a></h2>
    2214       <p id="rfc.section.10.2.p.1">The registration procedure for HTTP Status Codes — previously defined in <a href="http://tools.ietf.org/html/rfc2817#section-7.1">Section 7.1</a> of <a href="#RFC2817" id="rfc.xref.RFC2817.1"><cite title="Upgrading to TLS Within HTTP/1.1">[RFC2817]</cite></a> — is now defined by <a href="#status.code.registry" title="Status Code Registry">Section&nbsp;4.2</a> of this document.
    2215       </p>
    2216       <p id="rfc.section.10.2.p.2">The HTTP Status Code Registry located at &lt;<a href="http://www.iana.org/assignments/http-status-codes">http://www.iana.org/assignments/http-status-codes</a>&gt; shall be updated with the registrations below:
     2216      <h2 id="rfc.section.9.2"><a href="#rfc.section.9.2">9.2</a>&nbsp;<a id="status.code.registration" href="#status.code.registration">Status Code Registry</a></h2>
     2217      <p id="rfc.section.9.2.p.1">The registration procedure for HTTP Status Codes — previously defined in <a href="http://tools.ietf.org/html/rfc2817#section-7.1">Section 7.1</a> of <a href="#RFC2817" id="rfc.xref.RFC2817.1"><cite title="Upgrading to TLS Within HTTP/1.1">[RFC2817]</cite></a> — is now defined by <a href="#status.code.registry" title="Status Code Registry">Section&nbsp;4.2</a> of this document.
     2218      </p>
     2219      <p id="rfc.section.9.2.p.2">The HTTP Status Code Registry located at &lt;<a href="http://www.iana.org/assignments/http-status-codes">http://www.iana.org/assignments/http-status-codes</a>&gt; shall be updated with the registrations below:
    22172220      </p>
    22182221      <div id="rfc.table.2">
    … …  
    22302233                  <td class="left">100</td>
    22312234                  <td class="left">Continue</td>
    2232                   <td class="left"> <a href="#status.100" id="rfc.xref.status.100.2" title="100 Continue">Section&nbsp;8.1.1</a>
     2235                  <td class="left"> <a href="#status.100" id="rfc.xref.status.100.2" title="100 Continue">Section&nbsp;7.1.1</a>
    22332236                  </td>
    22342237               </tr>
    … …  
    22362239                  <td class="left">101</td>
    22372240                  <td class="left">Switching Protocols</td>
    2238                   <td class="left"> <a href="#status.101" id="rfc.xref.status.101.2" title="101 Switching Protocols">Section&nbsp;8.1.2</a>
     2241                  <td class="left"> <a href="#status.101" id="rfc.xref.status.101.2" title="101 Switching Protocols">Section&nbsp;7.1.2</a>
    22392242                  </td>
    22402243               </tr>
    … …  
    22422245                  <td class="left">200</td>
    22432246                  <td class="left">OK</td>
    2244                   <td class="left"> <a href="#status.200" id="rfc.xref.status.200.2" title="200 OK">Section&nbsp;8.2.1</a>
     2247                  <td class="left"> <a href="#status.200" id="rfc.xref.status.200.2" title="200 OK">Section&nbsp;7.2.1</a>
    22452248                  </td>
    22462249               </tr>
    … …  
    22482251                  <td class="left">201</td>
    22492252                  <td class="left">Created</td>
    2250                   <td class="left"> <a href="#status.201" id="rfc.xref.status.201.2" title="201 Created">Section&nbsp;8.2.2</a>
     2253                  <td class="left"> <a href="#status.201" id="rfc.xref.status.201.2" title="201 Created">Section&nbsp;7.2.2</a>
    22512254                  </td>
    22522255               </tr>
    … …  
    22542257                  <td class="left">202</td>
    22552258                  <td class="left">Accepted</td>
    2256                   <td class="left"> <a href="#status.202" id="rfc.xref.status.202.2" title="202 Accepted">Section&nbsp;8.2.3</a>
     2259                  <td class="left"> <a href="#status.202" id="rfc.xref.status.202.2" title="202 Accepted">Section&nbsp;7.2.3</a>
    22572260                  </td>
    22582261               </tr>
    … …  
    22602263                  <td class="left">203</td>
    22612264                  <td class="left">Non-Authoritative Information</td>
    2262                   <td class="left"> <a href="#status.203" id="rfc.xref.status.203.2" title="203 Non-Authoritative Information">Section&nbsp;8.2.4</a>
     2265                  <td class="left"> <a href="#status.203" id="rfc.xref.status.203.2" title="203 Non-Authoritative Information">Section&nbsp;7.2.4</a>
    22632266                  </td>
    22642267               </tr>
    … …  
    22662269                  <td class="left">204</td>
    22672270                  <td class="left">No Content</td>
    2268                   <td class="left"> <a href="#status.204" id="rfc.xref.status.204.2" title="204 No Content">Section&nbsp;8.2.5</a>
     2271                  <td class="left"> <a href="#status.204" id="rfc.xref.status.204.2" title="204 No Content">Section&nbsp;7.2.5</a>
    22692272                  </td>
    22702273               </tr>
    … …  
    22722275                  <td class="left">205</td>
    22732276                  <td class="left">Reset Content</td>
    2274                   <td class="left"> <a href="#status.205" id="rfc.xref.status.205.2" title="205 Reset Content">Section&nbsp;8.2.6</a>
     2277                  <td class="left"> <a href="#status.205" id="rfc.xref.status.205.2" title="205 Reset Content">Section&nbsp;7.2.6</a>
    22752278                  </td>
    22762279               </tr>
    … …  
    22782281                  <td class="left">300</td>
    22792282                  <td class="left">Multiple Choices</td>
    2280                   <td class="left"> <a href="#status.300" id="rfc.xref.status.300.2" title="300 Multiple Choices">Section&nbsp;8.3.1</a>
     2283                  <td class="left"> <a href="#status.300" id="rfc.xref.status.300.2" title="300 Multiple Choices">Section&nbsp;7.3.1</a>
    22812284                  </td>
    22822285               </tr>
    … …  
    22842287                  <td class="left">301</td>
    22852288                  <td class="left">Moved Permanently</td>
    2286                   <td class="left"> <a href="#status.301" id="rfc.xref.status.301.2" title="301 Moved Permanently">Section&nbsp;8.3.2</a>
     2289                  <td class="left"> <a href="#status.301" id="rfc.xref.status.301.2" title="301 Moved Permanently">Section&nbsp;7.3.2</a>
    22872290                  </td>
    22882291               </tr>
    … …  
    22902293                  <td class="left">302</td>
    22912294                  <td class="left">Found</td>
    2292                   <td class="left"> <a href="#status.302" id="rfc.xref.status.302.2" title="302 Found">Section&nbsp;8.3.3</a>
     2295                  <td class="left"> <a href="#status.302" id="rfc.xref.status.302.2" title="302 Found">Section&nbsp;7.3.3</a>
    22932296                  </td>
    22942297               </tr>
    … …  
    22962299                  <td class="left">303</td>
    22972300                  <td class="left">See Other</td>
    2298                   <td class="left"> <a href="#status.303" id="rfc.xref.status.303.3" title="303 See Other">Section&nbsp;8.3.4</a>
     2301                  <td class="left"> <a href="#status.303" id="rfc.xref.status.303.3" title="303 See Other">Section&nbsp;7.3.4</a>
    22992302                  </td>
    23002303               </tr>
    … …  
    23022305                  <td class="left">305</td>
    23032306                  <td class="left">Use Proxy</td>
    2304                   <td class="left"> <a href="#status.305" id="rfc.xref.status.305.2" title="305 Use Proxy">Section&nbsp;8.3.6</a>
     2307                  <td class="left"> <a href="#status.305" id="rfc.xref.status.305.2" title="305 Use Proxy">Section&nbsp;7.3.6</a>
    23052308                  </td>
    23062309               </tr>
    … …  
    23082311                  <td class="left">306</td>
    23092312                  <td class="left">(Unused)</td>
    2310                   <td class="left"> <a href="#status.306" id="rfc.xref.status.306.1" title="306 (Unused)">Section&nbsp;8.3.7</a>
     2313                  <td class="left"> <a href="#status.306" id="rfc.xref.status.306.1" title="306 (Unused)">Section&nbsp;7.3.7</a>
    23112314                  </td>
    23122315               </tr>
    … …  
    23142317                  <td class="left">307</td>
    23152318                  <td class="left">Temporary Redirect</td>
    2316                   <td class="left"> <a href="#status.307" id="rfc.xref.status.307.3" title="307 Temporary Redirect">Section&nbsp;8.3.8</a>
     2319                  <td class="left"> <a href="#status.307" id="rfc.xref.status.307.3" title="307 Temporary Redirect">Section&nbsp;7.3.8</a>
    23172320                  </td>
    23182321               </tr>
    … …  
    23202323                  <td class="left">400</td>
    23212324                  <td class="left">Bad Request</td>
    2322                   <td class="left"> <a href="#status.400" id="rfc.xref.status.400.2" title="400 Bad Request">Section&nbsp;8.4.1</a>
     2325                  <td class="left"> <a href="#status.400" id="rfc.xref.status.400.2" title="400 Bad Request">Section&nbsp;7.4.1</a>
    23232326                  </td>
    23242327               </tr>
    … …  
    23262329                  <td class="left">402</td>
    23272330                  <td class="left">Payment Required</td>
    2328                   <td class="left"> <a href="#status.402" id="rfc.xref.status.402.2" title="402 Payment Required">Section&nbsp;8.4.3</a>
     2331                  <td class="left"> <a href="#status.402" id="rfc.xref.status.402.2" title="402 Payment Required">Section&nbsp;7.4.3</a>
    23292332                  </td>
    23302333               </tr>
    … …  
    23322335                  <td class="left">403</td>
    23332336                  <td class="left">Forbidden</td>
    2334                   <td class="left"> <a href="#status.403" id="rfc.xref.status.403.2" title="403 Forbidden">Section&nbsp;8.4.4</a>
     2337                  <td class="left"> <a href="#status.403" id="rfc.xref.status.403.2" title="403 Forbidden">Section&nbsp;7.4.4</a>
    23352338                  </td>
    23362339               </tr>
    … …  
    23382341                  <td class="left">404</td>
    23392342                  <td class="left">Not Found</td>
    2340                   <td class="left"> <a href="#status.404" id="rfc.xref.status.404.2" title="404 Not Found">Section&nbsp;8.4.5</a>
     2343                  <td class="left"> <a href="#status.404" id="rfc.xref.status.404.2" title="404 Not Found">Section&nbsp;7.4.5</a>
    23412344                  </td>
    23422345               </tr>
    … …  
    23442347                  <td class="left">405</td>
    23452348                  <td class="left">Method Not Allowed</td>
    2346                   <td class="left"> <a href="#status.405" id="rfc.xref.status.405.2" title="405 Method Not Allowed">Section&nbsp;8.4.6</a>
     2349                  <td class="left"> <a href="#status.405" id="rfc.xref.status.405.2" title="405 Method Not Allowed">Section&nbsp;7.4.6</a>
    23472350                  </td>
    23482351               </tr>
    … …  
    23502353                  <td class="left">406</td>
    23512354                  <td class="left">Not Acceptable</td>
    2352                   <td class="left"> <a href="#status.406" id="rfc.xref.status.406.2" title="406 Not Acceptable">Section&nbsp;8.4.7</a>
     2355                  <td class="left"> <a href="#status.406" id="rfc.xref.status.406.2" title="406 Not Acceptable">Section&nbsp;7.4.7</a>
    23532356                  </td>
    23542357               </tr>
    … …  
    23562359                  <td class="left">407</td>
    23572360                  <td class="left">Proxy Authentication Required</td>
    2358                   <td class="left"> <a href="#status.407" id="rfc.xref.status.407.1" title="407 Proxy Authentication Required">Section&nbsp;8.4.8</a>
     2361                  <td class="left"> <a href="#status.407" id="rfc.xref.status.407.1" title="407 Proxy Authentication Required">Section&nbsp;7.4.8</a>
    23592362                  </td>
    23602363               </tr>
    … …  
    23622365                  <td class="left">408</td>
    23632366                  <td class="left">Request Timeout</td>
    2364                   <td class="left"> <a href="#status.408" id="rfc.xref.status.408.2" title="408 Request Timeout">Section&nbsp;8.4.9</a>
     2367                  <td class="left"> <a href="#status.408" id="rfc.xref.status.408.2" title="408 Request Timeout">Section&nbsp;7.4.9</a>
    23652368                  </td>
    23662369               </tr>
    … …  
    23682371                  <td class="left">409</td>
    23692372                  <td class="left">Conflict</td>
    2370                   <td class="left"> <a href="#status.409" id="rfc.xref.status.409.2" title="409 Conflict">Section&nbsp;8.4.10</a>
     2373                  <td class="left"> <a href="#status.409" id="rfc.xref.status.409.2" title="409 Conflict">Section&nbsp;7.4.10</a>
    23712374                  </td>
    23722375               </tr>
    … …  
    23742377                  <td class="left">410</td>
    23752378                  <td class="left">Gone</td>
    2376                   <td class="left"> <a href="#status.410" id="rfc.xref.status.410.2" title="410 Gone">Section&nbsp;8.4.11</a>
     2379                  <td class="left"> <a href="#status.410" id="rfc.xref.status.410.2" title="410 Gone">Section&nbsp;7.4.11</a>
    23772380                  </td>
    23782381               </tr>
    … …  
    23802383                  <td class="left">411</td>
    23812384                  <td class="left">Length Required</td>
    2382                   <td class="left"> <a href="#status.411" id="rfc.xref.status.411.2" title="411 Length Required">Section&nbsp;8.4.12</a>
     2385                  <td class="left"> <a href="#status.411" id="rfc.xref.status.411.2" title="411 Length Required">Section&nbsp;7.4.12</a>
    23832386                  </td>
    23842387               </tr>
    … …  
    23862389                  <td class="left">413</td>
    23872390                  <td class="left">Request Representation Too Large</td>
    2388                   <td class="left"> <a href="#status.413" id="rfc.xref.status.413.2" title="413 Request Representation Too Large">Section&nbsp;8.4.14</a>
     2391                  <td class="left"> <a href="#status.413" id="rfc.xref.status.413.2" title="413 Request Representation Too Large">Section&nbsp;7.4.14</a>
    23892392                  </td>
    23902393               </tr>
    … …  
    23922395                  <td class="left">414</td>
    23932396                  <td class="left">URI Too Long</td>
    2394                   <td class="left"> <a href="#status.414" id="rfc.xref.status.414.2" title="414 URI Too Long">Section&nbsp;8.4.15</a>
     2397                  <td class="left"> <a href="#status.414" id="rfc.xref.status.414.2" title="414 URI Too Long">Section&nbsp;7.4.15</a>
    23952398                  </td>
    23962399               </tr>
    … …  
    23982401                  <td class="left">415</td>
    23992402                  <td class="left">Unsupported Media Type</td>
    2400                   <td class="left"> <a href="#status.415" id="rfc.xref.status.415.2" title="415 Unsupported Media Type">Section&nbsp;8.4.16</a>
     2403                  <td class="left"> <a href="#status.415" id="rfc.xref.status.415.2" title="415 Unsupported Media Type">Section&nbsp;7.4.16</a>
    24012404                  </td>
    24022405               </tr>
    … …  
    24042407                  <td class="left">417</td>
    24052408                  <td class="left">Expectation Failed</td>
    2406                   <td class="left"> <a href="#status.417" id="rfc.xref.status.417.2" title="417 Expectation Failed">Section&nbsp;8.4.18</a>
     2409                  <td class="left"> <a href="#status.417" id="rfc.xref.status.417.2" title="417 Expectation Failed">Section&nbsp;7.4.18</a>
    24072410                  </td>
    24082411               </tr>
    … …  
    24102413                  <td class="left">426</td>
    24112414                  <td class="left">Upgrade Required</td>
    2412                   <td class="left"> <a href="#status.426" id="rfc.xref.status.426.2" title="426 Upgrade Required">Section&nbsp;8.4.19</a>
     2415                  <td class="left"> <a href="#status.426" id="rfc.xref.status.426.2" title="426 Upgrade Required">Section&nbsp;7.4.19</a>
    24132416                  </td>
    24142417               </tr>
    … …  
    24162419                  <td class="left">500</td>
    24172420                  <td class="left">Internal Server Error</td>
    2418                   <td class="left"> <a href="#status.500" id="rfc.xref.status.500.2" title="500 Internal Server Error">Section&nbsp;8.5.1</a>
     2421                  <td class="left"> <a href="#status.500" id="rfc.xref.status.500.2" title="500 Internal Server Error">Section&nbsp;7.5.1</a>
    24192422                  </td>
    24202423               </tr>
    … …  
    24222425                  <td class="left">501</td>
    24232426                  <td class="left">Not Implemented</td>
    2424                   <td class="left"> <a href="#status.501" id="rfc.xref.status.501.2" title="501 Not Implemented">Section&nbsp;8.5.2</a>
     2427                  <td class="left"> <a href="#status.501" id="rfc.xref.status.501.2" title="501 Not Implemented">Section&nbsp;7.5.2</a>
    24252428                  </td>
    24262429               </tr>
    … …  
    24282431                  <td class="left">502</td>
    24292432                  <td class="left">Bad Gateway</td>
    2430                   <td class="left"> <a href="#status.502" id="rfc.xref.status.502.2" title="502 Bad Gateway">Section&nbsp;8.5.3</a>
     2433                  <td class="left"> <a href="#status.502" id="rfc.xref.status.502.2" title="502 Bad Gateway">Section&nbsp;7.5.3</a>
    24312434                  </td>
    24322435               </tr>
    … …  
    24342437                  <td class="left">503</td>
    24352438                  <td class="left">Service Unavailable</td>
    2436                   <td class="left"> <a href="#status.503" id="rfc.xref.status.503.2" title="503 Service Unavailable">Section&nbsp;8.5.4</a>
     2439                  <td class="left"> <a href="#status.503" id="rfc.xref.status.503.2" title="503 Service Unavailable">Section&nbsp;7.5.4</a>
    24372440                  </td>
    24382441               </tr>
    … …  
    24402443                  <td class="left">504</td>
    24412444                  <td class="left">Gateway Timeout</td>
    2442                   <td class="left"> <a href="#status.504" id="rfc.xref.status.504.2" title="504 Gateway Timeout">Section&nbsp;8.5.5</a>
     2445                  <td class="left"> <a href="#status.504" id="rfc.xref.status.504.2" title="504 Gateway Timeout">Section&nbsp;7.5.5</a>
    24432446                  </td>
    24442447               </tr>
    … …  
    24462449                  <td class="left">505</td>
    24472450                  <td class="left">HTTP Version Not Supported</td>
    2448                   <td class="left"> <a href="#status.505" id="rfc.xref.status.505.2" title="505 HTTP Version Not Supported">Section&nbsp;8.5.6</a>
     2451                  <td class="left"> <a href="#status.505" id="rfc.xref.status.505.2" title="505 HTTP Version Not Supported">Section&nbsp;7.5.6</a>
    24492452                  </td>
    24502453               </tr>
    … …  
    24522455         </table>
    24532456      </div>
    2454       <h2 id="rfc.section.10.3"><a href="#rfc.section.10.3">10.3</a>&nbsp;<a id="header.field.registration" href="#header.field.registration">Header Field Registration</a></h2>
    2455       <p id="rfc.section.10.3.p.1">The Message Header Field Registry located at &lt;<a href="http://www.iana.org/assignments/message-headers/message-header-index.html">http://www.iana.org/assignments/message-headers/message-header-index.html</a>&gt; shall be updated with the permanent registrations below (see <a href="#RFC3864" id="rfc.xref.RFC3864.1"><cite title="Registration Procedures for Message Header Fields">[RFC3864]</cite></a>):
     2457      <h2 id="rfc.section.9.3"><a href="#rfc.section.9.3">9.3</a>&nbsp;<a id="header.field.registration" href="#header.field.registration">Header Field Registration</a></h2>
     2458      <p id="rfc.section.9.3.p.1">The Message Header Field Registry located at &lt;<a href="http://www.iana.org/assignments/message-headers/message-header-index.html">http://www.iana.org/assignments/message-headers/message-header-index.html</a>&gt; shall be updated with the permanent registrations below (see <a href="#RFC3864" id="rfc.xref.RFC3864.1"><cite title="Registration Procedures for Message Header Fields">[RFC3864]</cite></a>):
    24562459      </p>
    24572460      <div id="rfc.table.3">
    … …  
    24712474                  <td class="left">http</td>
    24722475                  <td class="left">standard</td>
    2473                   <td class="left"> <a href="#header.allow" id="rfc.xref.header.allow.3" title="Allow">Section&nbsp;9.1</a>
     2476                  <td class="left"> <a href="#header.allow" id="rfc.xref.header.allow.3" title="Allow">Section&nbsp;8.1</a>
    24742477                  </td>
    24752478               </tr>
    … …  
    24782481                  <td class="left">http</td>
    24792482                  <td class="left">standard</td>
    2480                   <td class="left"> <a href="#header.expect" id="rfc.xref.header.expect.3" title="Expect">Section&nbsp;9.2</a>
     2483                  <td class="left"> <a href="#header.expect" id="rfc.xref.header.expect.3" title="Expect">Section&nbsp;8.2</a>
    24812484                  </td>
    24822485               </tr>
    … …  
    24852488                  <td class="left">http</td>
    24862489                  <td class="left">standard</td>
    2487                   <td class="left"> <a href="#header.from" id="rfc.xref.header.from.2" title="From">Section&nbsp;9.3</a>
     2490                  <td class="left"> <a href="#header.from" id="rfc.xref.header.from.2" title="From">Section&nbsp;8.3</a>
    24882491                  </td>
    24892492               </tr>
    … …  
    24922495                  <td class="left">http</td>
    24932496                  <td class="left">standard</td>
    2494                   <td class="left"> <a href="#header.location" id="rfc.xref.header.location.3" title="Location">Section&nbsp;9.4</a>
     2497                  <td class="left"> <a href="#header.location" id="rfc.xref.header.location.3" title="Location">Section&nbsp;8.4</a>
    24952498                  </td>
    24962499               </tr>
    … …  
    24992502                  <td class="left">http</td>
    25002503                  <td class="left">standard</td>
    2501                   <td class="left"> <a href="#header.max-forwards" id="rfc.xref.header.max-forwards.4" title="Max-Forwards">Section&nbsp;9.5</a>
     2504                  <td class="left"> <a href="#header.max-forwards" id="rfc.xref.header.max-forwards.4" title="Max-Forwards">Section&nbsp;8.5</a>
    25022505                  </td>
    25032506               </tr>
    … …  
    25062509                  <td class="left">http</td>
    25072510                  <td class="left">standard</td>
    2508                   <td class="left"> <a href="#header.referer" id="rfc.xref.header.referer.2" title="Referer">Section&nbsp;9.6</a>
     2511                  <td class="left"> <a href="#header.referer" id="rfc.xref.header.referer.2" title="Referer">Section&nbsp;8.6</a>
    25092512                  </td>
    25102513               </tr>
    … …  
    25132516                  <td class="left">http</td>
    25142517                  <td class="left">standard</td>
    2515                   <td class="left"> <a href="#header.retry-after" id="rfc.xref.header.retry-after.3" title="Retry-After">Section&nbsp;9.7</a>
     2518                  <td class="left"> <a href="#header.retry-after" id="rfc.xref.header.retry-after.3" title="Retry-After">Section&nbsp;8.7</a>
    25162519                  </td>
    25172520               </tr>
    … …  
    25202523                  <td class="left">http</td>
    25212524                  <td class="left">standard</td>
    2522                   <td class="left"> <a href="#header.server" id="rfc.xref.header.server.2" title="Server">Section&nbsp;9.8</a>
     2525                  <td class="left"> <a href="#header.server" id="rfc.xref.header.server.2" title="Server">Section&nbsp;8.8</a>
    25232526                  </td>
    25242527               </tr>
    … …  
    25272530                  <td class="left">http</td>
    25282531                  <td class="left">standard</td>
    2529                   <td class="left"> <a href="#header.user-agent" id="rfc.xref.header.user-agent.2" title="User-Agent">Section&nbsp;9.9</a>
     2532                  <td class="left"> <a href="#header.user-agent" id="rfc.xref.header.user-agent.2" title="User-Agent">Section&nbsp;8.9</a>
    25302533                  </td>
    25312534               </tr>
    … …  
    25332536         </table>
    25342537      </div>
    2535       <p id="rfc.section.10.3.p.2">The change controller is: "IETF (iesg@ietf.org) - Internet Engineering Task Force".</p>
    2536       <h1 id="rfc.section.11"><a href="#rfc.section.11">11.</a>&nbsp;<a id="security.considerations" href="#security.considerations">Security Considerations</a></h1>
    2537       <p id="rfc.section.11.p.1">This section is meant to inform application developers, information providers, and users of the security limitations in HTTP/1.1
     2538      <p id="rfc.section.9.3.p.2">The change controller is: "IETF (iesg@ietf.org) - Internet Engineering Task Force".</p>
     2539      <h1 id="rfc.section.10"><a href="#rfc.section.10">10.</a>&nbsp;<a id="security.considerations" href="#security.considerations">Security Considerations</a></h1>
     2540      <p id="rfc.section.10.p.1">This section is meant to inform application developers, information providers, and users of the security limitations in HTTP/1.1
    25382541         as described by this document. The discussion does not include definitive solutions to the problems revealed, though it does
    25392542         make some suggestions for reducing security risks.
    25402543      </p>
    2541       <h2 id="rfc.section.11.1"><a href="#rfc.section.11.1">11.1</a>&nbsp;<a id="security.sensitive" href="#security.sensitive">Transfer of Sensitive Information</a></h2>
    2542       <p id="rfc.section.11.1.p.1">Like any generic data transfer protocol, HTTP cannot regulate the content of the data that is transferred, nor is there any
     2544      <h2 id="rfc.section.10.1"><a href="#rfc.section.10.1">10.1</a>&nbsp;<a id="security.sensitive" href="#security.sensitive">Transfer of Sensitive Information</a></h2>
     2545      <p id="rfc.section.10.1.p.1">Like any generic data transfer protocol, HTTP cannot regulate the content of the data that is transferred, nor is there any
    25432546         a priori method of determining the sensitivity of any particular piece of information within the context of any given request.
    25442547         Therefore, applications <em class="bcp14">SHOULD</em> supply as much control over this information as possible to the provider of that information. Four header fields are worth
    25452548         special mention in this context: Server, Via, Referer and From.
    25462549      </p>
    2547       <p id="rfc.section.11.1.p.2">Revealing the specific software version of the server might allow the server machine to become more vulnerable to attacks
     2550      <p id="rfc.section.10.1.p.2">Revealing the specific software version of the server might allow the server machine to become more vulnerable to attacks
    25482551         against software that is known to contain security holes. Implementors <em class="bcp14">SHOULD</em> make the Server header field a configurable option.
    25492552      </p>
    2550       <p id="rfc.section.11.1.p.3">Proxies which serve as a portal through a network firewall <em class="bcp14">SHOULD</em> take special precautions regarding the transfer of header information that identifies the hosts behind the firewall. In particular,
     2553      <p id="rfc.section.10.1.p.3">Proxies which serve as a portal through a network firewall <em class="bcp14">SHOULD</em> take special precautions regarding the transfer of header information that identifies the hosts behind the firewall. In particular,
    25512554         they <em class="bcp14">SHOULD</em> remove, or replace with sanitized versions, any Via fields generated behind the firewall.
    25522555      </p>
    2553       <p id="rfc.section.11.1.p.4">The Referer header field allows reading patterns to be studied and reverse links drawn. Although it can be very useful, its
     2556      <p id="rfc.section.10.1.p.4">The Referer header field allows reading patterns to be studied and reverse links drawn. Although it can be very useful, its
    25542557         power can be abused if user details are not separated from the information contained in the Referer. Even when the personal
    25552558         information has been removed, the Referer header field might indicate a private document's URI whose publication would be
    25562559         inappropriate.
    25572560      </p>
    2558       <p id="rfc.section.11.1.p.5">The information sent in the From field might conflict with the user's privacy interests or their site's security policy, and
     2561      <p id="rfc.section.10.1.p.5">The information sent in the From field might conflict with the user's privacy interests or their site's security policy, and
    25592562         hence it <em class="bcp14">SHOULD NOT</em> be transmitted without the user being able to disable, enable, and modify the contents of the field. The user <em class="bcp14">MUST</em> be able to set the contents of this field within a user preference or application defaults configuration.
    25602563      </p>
    2561       <p id="rfc.section.11.1.p.6">We suggest, though do not require, that a convenient toggle interface be provided for the user to enable or disable the sending
     2564      <p id="rfc.section.10.1.p.6">We suggest, though do not require, that a convenient toggle interface be provided for the user to enable or disable the sending
    25622565         of From and Referer information.
    25632566      </p>
    2564       <p id="rfc.section.11.1.p.7">The User-Agent (<a href="#header.user-agent" id="rfc.xref.header.user-agent.3" title="User-Agent">Section&nbsp;9.9</a>) or Server (<a href="#header.server" id="rfc.xref.header.server.3" title="Server">Section&nbsp;9.8</a>) header fields can sometimes be used to determine that a specific client or server have a particular security hole which
     2567      <p id="rfc.section.10.1.p.7">The User-Agent (<a href="#header.user-agent" id="rfc.xref.header.user-agent.3" title="User-Agent">Section&nbsp;8.9</a>) or Server (<a href="#header.server" id="rfc.xref.header.server.3" title="Server">Section&nbsp;8.8</a>) header fields can sometimes be used to determine that a specific client or server have a particular security hole which
    25652568         might be exploited. Unfortunately, this same information is often used for other valuable purposes for which HTTP currently
    25662569         has no better mechanism.
    25672570      </p>
    2568       <p id="rfc.section.11.1.p.8">Furthermore, the User-Agent header field may contain enough entropy to be used, possibly in conjunction with other material,
     2571      <p id="rfc.section.10.1.p.8">Furthermore, the User-Agent header field may contain enough entropy to be used, possibly in conjunction with other material,
    25692572         to uniquely identify the user.
    25702573      </p>
    2571       <p id="rfc.section.11.1.p.9">Some request methods, like TRACE (<a href="#TRACE" id="rfc.xref.TRACE.4" title="TRACE">Section&nbsp;7.8</a>), expose information that was sent in request header fields within the body of their response. Clients <em class="bcp14">SHOULD</em> be careful with sensitive information, like Cookies, Authorization credentials, and other header fields that might be used
     2574      <p id="rfc.section.10.1.p.9">Some request methods, like TRACE (<a href="#TRACE" id="rfc.xref.TRACE.4" title="TRACE">Section&nbsp;6.8</a>), expose information that was sent in request header fields within the body of their response. Clients <em class="bcp14">SHOULD</em> be careful with sensitive information, like Cookies, Authorization credentials, and other header fields that might be used
    25722575         to collect data from the client.
    25732576      </p>
    2574       <h2 id="rfc.section.11.2"><a href="#rfc.section.11.2">11.2</a>&nbsp;<a id="encoding.sensitive.information.in.uris" href="#encoding.sensitive.information.in.uris">Encoding Sensitive Information in URIs</a></h2>
    2575       <p id="rfc.section.11.2.p.1">Because the source of a link might be private information or might reveal an otherwise private information source, it is strongly
     2577      <h2 id="rfc.section.10.2"><a href="#rfc.section.10.2">10.2</a>&nbsp;<a id="encoding.sensitive.information.in.uris" href="#encoding.sensitive.information.in.uris">Encoding Sensitive Information in URIs</a></h2>
     2578      <p id="rfc.section.10.2.p.1">Because the source of a link might be private information or might reveal an otherwise private information source, it is strongly
    25762579         recommended that the user be able to select whether or not the Referer field is sent. For example, a browser client could
    25772580         have a toggle switch for browsing openly/anonymously, which would respectively enable/disable the sending of Referer and From
    25782581         information.
    25792582      </p>
    2580       <p id="rfc.section.11.2.p.2">Clients <em class="bcp14">SHOULD NOT</em> include a Referer header field in a (non-secure) HTTP request if the referring page was transferred with a secure protocol.
    2581       </p>
    2582       <p id="rfc.section.11.2.p.3">Authors of services <em class="bcp14">SHOULD NOT</em> use GET-based forms for the submission of sensitive data because that data will be placed in the request-target. Many existing
     2583      <p id="rfc.section.10.2.p.2">Clients <em class="bcp14">SHOULD NOT</em> include a Referer header field in a (non-secure) HTTP request if the referring page was transferred with a secure protocol.
     2584      </p>
     2585      <p id="rfc.section.10.2.p.3">Authors of services <em class="bcp14">SHOULD NOT</em> use GET-based forms for the submission of sensitive data because that data will be placed in the request-target. Many existing
    25832586         servers, proxies, and user agents log or display the request-target in places where it might be visible to third parties.
    25842587         Such services can use POST-based form submission instead.
    25852588      </p>
    2586       <h2 id="rfc.section.11.3"><a href="#rfc.section.11.3">11.3</a>&nbsp;<a id="location.spoofing" href="#location.spoofing">Location Headers and Spoofing</a></h2>
    2587       <p id="rfc.section.11.3.p.1">If a single server supports multiple organizations that do not trust one another, then it <em class="bcp14">MUST</em> check the values of Location and Content-Location header fields in responses that are generated under control of said organizations
     2589      <h2 id="rfc.section.10.3"><a href="#rfc.section.10.3">10.3</a>&nbsp;<a id="location.spoofing" href="#location.spoofing">Location Headers and Spoofing</a></h2>
     2590      <p id="rfc.section.10.3.p.1">If a single server supports multiple organizations that do not trust one another, then it <em class="bcp14">MUST</em> check the values of Location and Content-Location header fields in responses that are generated under control of said organizations
    25882591         to make sure that they do not attempt to invalidate resources over which they have no authority.
    25892592      </p>
    2590       <h2 id="rfc.section.11.4"><a href="#rfc.section.11.4">11.4</a>&nbsp;Security Considerations for CONNECT
     2593      <h2 id="rfc.section.10.4"><a href="#rfc.section.10.4">10.4</a>&nbsp;Security Considerations for CONNECT
    25912594      </h2>
    2592       <p id="rfc.section.11.4.p.1">Since tunneled data is opaque to the proxy, there are additional risks to tunneling to other well-known or reserved ports.
     2595      <p id="rfc.section.10.4.p.1">Since tunneled data is opaque to the proxy, there are additional risks to tunneling to other well-known or reserved ports.
    25932596         A HTTP client CONNECTing to port 25 could relay spam via SMTP, for example. As such, proxies <em class="bcp14">SHOULD</em> restrict CONNECT access to a small number of known ports.
    25942597      </p>
    2595       <h1 id="rfc.section.12"><a href="#rfc.section.12">12.</a>&nbsp;<a id="acks" href="#acks">Acknowledgments</a></h1>
    2596       <p id="rfc.section.12.p.1">See <a href="p1-messaging.html#acks" title="Acknowledgments">Section 12</a> of <a href="#Part1" id="rfc.xref.Part1.37"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>.
    2597       </p>
    2598       <h1 id="rfc.references"><a id="rfc.section.13" href="#rfc.section.13">13.</a> References
     2598      <h1 id="rfc.section.11"><a href="#rfc.section.11">11.</a>&nbsp;<a id="acks" href="#acks">Acknowledgments</a></h1>
     2599      <p id="rfc.section.11.p.1">See <a href="p1-messaging.html#acks" title="Acknowledgments">Section 12</a> of <a href="#Part1" id="rfc.xref.Part1.37"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>.
     2600      </p>
     2601      <h1 id="rfc.references"><a id="rfc.section.12" href="#rfc.section.12">12.</a> References
    25992602      </h1>
    2600       <h2 id="rfc.references.1"><a href="#rfc.section.13.1" id="rfc.section.13.1">13.1</a> Normative References
     2603      <h2 id="rfc.references.1"><a href="#rfc.section.12.1" id="rfc.section.12.1">12.1</a> Normative References
    26012604      </h2>
    26022605      <table>                 
    … …  
    26472650         </tr>
    26482651      </table>
    2649       <h2 id="rfc.references.2"><a href="#rfc.section.13.2" id="rfc.section.13.2">13.2</a> Informative References
     2652      <h2 id="rfc.references.2"><a href="#rfc.section.12.2" id="rfc.section.12.2">12.2</a> Informative References
    26502653      </h2>
    26512654      <table>               
    … …  
    27122715      <p id="rfc.section.A.p.1">This document takes over the Status Code Registry, previously defined in <a href="http://tools.ietf.org/html/rfc2817#section-7.1">Section 7.1</a> of <a href="#RFC2817" id="rfc.xref.RFC2817.2"><cite title="Upgrading to TLS Within HTTP/1.1">[RFC2817]</cite></a>. (<a href="#status.code.registry" title="Status Code Registry">Section&nbsp;4.2</a>)
    27132716      </p>
    2714       <p id="rfc.section.A.p.2">Clarify definition of POST. (<a href="#POST" id="rfc.xref.POST.3" title="POST">Section&nbsp;7.5</a>)
    2715       </p>
    2716       <p id="rfc.section.A.p.3">Remove requirement to handle all Content-* header fields; ban use of Content-Range with PUT. (<a href="#PUT" id="rfc.xref.PUT.3" title="PUT">Section&nbsp;7.6</a>)
    2717       </p>
    2718       <p id="rfc.section.A.p.4">Take over definition of CONNECT method from <a href="#RFC2817" id="rfc.xref.RFC2817.3"><cite title="Upgrading to TLS Within HTTP/1.1">[RFC2817]</cite></a>. (<a href="#CONNECT" id="rfc.xref.CONNECT.3" title="CONNECT">Section&nbsp;7.9</a>)
    2719       </p>
    2720       <p id="rfc.section.A.p.5">Broadened the definition of 203 (Non-Authoritative Information) to include cases of payload transformations as well. (<a href="#status.203" id="rfc.xref.status.203.3" title="203 Non-Authoritative Information">Section&nbsp;8.2.4</a>)
     2717      <p id="rfc.section.A.p.2">Clarify definition of POST. (<a href="#POST" id="rfc.xref.POST.3" title="POST">Section&nbsp;6.5</a>)
     2718      </p>
     2719      <p id="rfc.section.A.p.3">Remove requirement to handle all Content-* header fields; ban use of Content-Range with PUT. (<a href="#PUT" id="rfc.xref.PUT.3" title="PUT">Section&nbsp;6.6</a>)
     2720      </p>
     2721      <p id="rfc.section.A.p.4">Take over definition of CONNECT method from <a href="#RFC2817" id="rfc.xref.RFC2817.3"><cite title="Upgrading to TLS Within HTTP/1.1">[RFC2817]</cite></a>. (<a href="#CONNECT" id="rfc.xref.CONNECT.3" title="CONNECT">Section&nbsp;6.9</a>)
     2722      </p>
     2723      <p id="rfc.section.A.p.5">Broadened the definition of 203 (Non-Authoritative Information) to include cases of payload transformations as well. (<a href="#status.203" id="rfc.xref.status.203.3" title="203 Non-Authoritative Information">Section&nbsp;7.2.4</a>)
    27212724      </p>
    27222725      <p id="rfc.section.A.p.6">Failed to consider that there are many other request methods that are safe to automatically redirect, and further that the
    2723          user agent is able to make that determination based on the request method semantics. (Sections <a href="#status.301" id="rfc.xref.status.301.3" title="301 Moved Permanently">8.3.2</a>, <a href="#status.302" id="rfc.xref.status.302.3" title="302 Found">8.3.3</a> and <a href="#status.307" id="rfc.xref.status.307.4" title="307 Temporary Redirect">8.3.8</a>)
     2726         user agent is able to make that determination based on the request method semantics. (Sections <a href="#status.301" id="rfc.xref.status.301.3" title="301 Moved Permanently">7.3.2</a>, <a href="#status.302" id="rfc.xref.status.302.3" title="302 Found">7.3.3</a> and <a href="#status.307" id="rfc.xref.status.307.4" title="307 Temporary Redirect">7.3.8</a>)
    27242727      </p>
    27252728      <p id="rfc.section.A.p.7">Deprecate 305 Use Proxy status code, because user agents did not implement it. It used to indicate that the target resource
    27262729         must be accessed through the proxy given by the Location field. The Location field gave the URI of the proxy. The recipient
    2727          was expected to repeat this single request via the proxy. (<a href="#status.305" id="rfc.xref.status.305.3" title="305 Use Proxy">Section&nbsp;8.3.6</a>)
    2728       </p>
    2729       <p id="rfc.section.A.p.8">Define status 426 (Upgrade Required) (this was incorporated from <a href="#RFC2817" id="rfc.xref.RFC2817.4"><cite title="Upgrading to TLS Within HTTP/1.1">[RFC2817]</cite></a>). (<a href="#status.426" id="rfc.xref.status.426.3" title="426 Upgrade Required">Section&nbsp;8.4.19</a>)
    2730       </p>
    2731       <p id="rfc.section.A.p.9">Change ABNF productions for header fields to only define the field value. (<a href="#header.field.definitions" title="Header Field Definitions">Section&nbsp;9</a>)
     2730         was expected to repeat this single request via the proxy. (<a href="#status.305" id="rfc.xref.status.305.3" title="305 Use Proxy">Section&nbsp;7.3.6</a>)
     2731      </p>
     2732      <p id="rfc.section.A.p.8">Define status 426 (Upgrade Required) (this was incorporated from <a href="#RFC2817" id="rfc.xref.RFC2817.4"><cite title="Upgrading to TLS Within HTTP/1.1">[RFC2817]</cite></a>). (<a href="#status.426" id="rfc.xref.status.426.3" title="426 Upgrade Required">Section&nbsp;7.4.19</a>)
     2733      </p>
     2734      <p id="rfc.section.A.p.9">Change ABNF productions for header fields to only define the field value. (<a href="#header.field.definitions" title="Header Field Definitions">Section&nbsp;8</a>)
    27322735      </p>
    27332736      <p id="rfc.section.A.p.10">Reclassify "Allow" as response header field, removing the option to specify it in a PUT request. Relax the server requirement
    2734          on the contents of the Allow header field and remove requirement on clients to always trust the header field value. (<a href="#header.allow" id="rfc.xref.header.allow.4" title="Allow">Section&nbsp;9.1</a>)
     2737         on the contents of the Allow header field and remove requirement on clients to always trust the header field value. (<a href="#header.allow" id="rfc.xref.header.allow.4" title="Allow">Section&nbsp;8.1</a>)
    27352738      </p>
    27362739      <p id="rfc.section.A.p.11">Correct syntax of Location header field to allow URI references (including relative references and fragments), as referred
    27372740         symbol "absoluteURI" wasn't what was expected, and add some clarifications as to when use of fragments would not be appropriate.
    2738          (<a href="#header.location" id="rfc.xref.header.location.4" title="Location">Section&nbsp;9.4</a>)
    2739       </p>
    2740       <p id="rfc.section.A.p.12">Restrict Max-Forwards header field to OPTIONS and TRACE (previously, extension methods could have used it as well). (<a href="#header.max-forwards" id="rfc.xref.header.max-forwards.5" title="Max-Forwards">Section&nbsp;9.5</a>)
    2741       </p>
    2742       <p id="rfc.section.A.p.13">Allow Referer field value of "about:blank" as alternative to not specifying it. (<a href="#header.referer" id="rfc.xref.header.referer.3" title="Referer">Section&nbsp;9.6</a>)
     2741         (<a href="#header.location" id="rfc.xref.header.location.4" title="Location">Section&nbsp;8.4</a>)
     2742      </p>
     2743      <p id="rfc.section.A.p.12">Restrict Max-Forwards header field to OPTIONS and TRACE (previously, extension methods could have used it as well). (<a href="#header.max-forwards" id="rfc.xref.header.max-forwards.5" title="Max-Forwards">Section&nbsp;8.5</a>)
     2744      </p>
     2745      <p id="rfc.section.A.p.13">Allow Referer field value of "about:blank" as alternative to not specifying it. (<a href="#header.referer" id="rfc.xref.header.referer.3" title="Referer">Section&nbsp;8.6</a>)
    27432746      </p>
    27442747      <p id="rfc.section.A.p.14">In the description of the Server header field, the Via field was described as a SHOULD. The requirement was and is stated
    2745          correctly in the description of the Via header field in <a href="p1-messaging.html#header.via" title="Via">Section 9.9</a> of <a href="#Part1" id="rfc.xref.Part1.38"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>. (<a href="#header.server" id="rfc.xref.header.server.4" title="Server">Section&nbsp;9.8</a>)
     2748         correctly in the description of the Via header field in <a href="p1-messaging.html#header.via" title="Via">Section 9.9</a> of <a href="#Part1" id="rfc.xref.Part1.38"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>. (<a href="#header.server" id="rfc.xref.header.server.4" title="Server">Section&nbsp;8.8</a>)
    27462749      </p>
    27472750      <h1 id="rfc.section.B"><a href="#rfc.section.B">B.</a>&nbsp;<a id="collected.abnf" href="#collected.abnf">Collected ABNF</a></h1>
    … …  
    30803083         <ul class="ind">
    30813084            <li><a id="rfc.index.1" href="#rfc.index.1"><b>1</b></a><ul>
    3082                   <li>100 Continue (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.100.1">4.1</a>, <a href="#rfc.iref.22"><b>8.1.1</b></a>, <a href="#rfc.xref.status.100.2">10.2</a></li>
    3083                   <li>101 Switching Protocols (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.101.1">4.1</a>, <a href="#rfc.iref.23"><b>8.1.2</b></a>, <a href="#rfc.xref.status.101.2">10.2</a></li>
     3085                  <li>100 Continue (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.100.1">4.1</a>, <a href="#rfc.iref.22"><b>7.1.1</b></a>, <a href="#rfc.xref.status.100.2">9.2</a></li>
     3086                  <li>101 Switching Protocols (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.101.1">4.1</a>, <a href="#rfc.iref.23"><b>7.1.2</b></a>, <a href="#rfc.xref.status.101.2">9.2</a></li>
    30843087               </ul>
    30853088            </li>
    30863089            <li><a id="rfc.index.2" href="#rfc.index.2"><b>2</b></a><ul>
    3087                   <li>200 OK (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.200.1">4.1</a>, <a href="#rfc.iref.24"><b>8.2.1</b></a>, <a href="#rfc.xref.status.200.2">10.2</a></li>
    3088                   <li>201 Created (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.201.1">4.1</a>, <a href="#rfc.iref.25"><b>8.2.2</b></a>, <a href="#rfc.xref.status.201.2">10.2</a></li>
    3089                   <li>202 Accepted (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.202.1">4.1</a>, <a href="#rfc.iref.26"><b>8.2.3</b></a>, <a href="#rfc.xref.status.202.2">10.2</a></li>
    3090                   <li>203 Non-Authoritative Information (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.203.1">4.1</a>, <a href="#rfc.iref.27"><b>8.2.4</b></a>, <a href="#rfc.xref.status.203.2">10.2</a>, <a href="#rfc.xref.status.203.3">A</a></li>
    3091                   <li>204 No Content (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.204.1">4.1</a>, <a href="#rfc.iref.28"><b>8.2.5</b></a>, <a href="#rfc.xref.status.204.2">10.2</a></li>
    3092                   <li>205 Reset Content (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.205.1">4.1</a>, <a href="#rfc.iref.29"><b>8.2.6</b></a>, <a href="#rfc.xref.status.205.2">10.2</a></li>
    3093                   <li>206 Partial Content (status code)&nbsp;&nbsp;<a href="#rfc.iref.30"><b>8.2.7</b></a></li>
     3090                  <li>200 OK (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.200.1">4.1</a>, <a href="#rfc.iref.24"><b>7.2.1</b></a>, <a href="#rfc.xref.status.200.2">9.2</a></li>
     3091                  <li>201 Created (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.201.1">4.1</a>, <a href="#rfc.iref.25"><b>7.2.2</b></a>, <a href="#rfc.xref.status.201.2">9.2</a></li>
     3092                  <li>202 Accepted (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.202.1">4.1</a>, <a href="#rfc.iref.26"><b>7.2.3</b></a>, <a href="#rfc.xref.status.202.2">9.2</a></li>
     3093                  <li>203 Non-Authoritative Information (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.203.1">4.1</a>, <a href="#rfc.iref.27"><b>7.2.4</b></a>, <a href="#rfc.xref.status.203.2">9.2</a>, <a href="#rfc.xref.status.203.3">A</a></li>
     3094                  <li>204 No Content (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.204.1">4.1</a>, <a href="#rfc.iref.28"><b>7.2.5</b></a>, <a href="#rfc.xref.status.204.2">9.2</a></li>
     3095                  <li>205 Reset Content (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.205.1">4.1</a>, <a href="#rfc.iref.29"><b>7.2.6</b></a>, <a href="#rfc.xref.status.205.2">9.2</a></li>
     3096                  <li>206 Partial Content (status code)&nbsp;&nbsp;<a href="#rfc.iref.30"><b>7.2.7</b></a></li>
    30943097               </ul>
    30953098            </li>
    30963099            <li><a id="rfc.index.3" href="#rfc.index.3"><b>3</b></a><ul>
    3097                   <li>300 Multiple Choices (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.300.1">4.1</a>, <a href="#rfc.iref.31"><b>8.3.1</b></a>, <a href="#rfc.xref.status.300.2">10.2</a></li>
    3098                   <li>301 Moved Permanently (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.301.1">4.1</a>, <a href="#rfc.iref.32"><b>8.3.2</b></a>, <a href="#rfc.xref.status.301.2">10.2</a>, <a href="#rfc.xref.status.301.3">A</a></li>
    3099                   <li>302 Found (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.302.1">4.1</a>, <a href="#rfc.iref.33"><b>8.3.3</b></a>, <a href="#rfc.xref.status.302.2">10.2</a>, <a href="#rfc.xref.status.302.3">A</a></li>
    3100                   <li>303 See Other (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.303.1">4.1</a>, <a href="#rfc.xref.status.303.2">8.3.3</a>, <a href="#rfc.iref.34"><b>8.3.4</b></a>, <a href="#rfc.xref.status.303.3">10.2</a></li>
    3101                   <li>304 Not Modified (status code)&nbsp;&nbsp;<a href="#rfc.iref.35"><b>8.3.5</b></a></li>
    3102                   <li>305 Use Proxy (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.305.1">4.1</a>, <a href="#rfc.iref.36"><b>8.3.6</b></a>, <a href="#rfc.xref.status.305.2">10.2</a>, <a href="#rfc.xref.status.305.3">A</a></li>
    3103                   <li>306 (Unused) (status code)&nbsp;&nbsp;<a href="#rfc.iref.37"><b>8.3.7</b></a>, <a href="#rfc.xref.status.306.1">10.2</a></li>
    3104                   <li>307 Temporary Redirect (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.307.1">4.1</a>, <a href="#rfc.xref.status.307.2">8.3.3</a>, <a href="#rfc.iref.38"><b>8.3.8</b></a>, <a href="#rfc.xref.status.307.3">10.2</a>, <a href="#rfc.xref.status.307.4">A</a></li>
     3100                  <li>300 Multiple Choices (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.300.1">4.1</a>, <a href="#rfc.iref.31"><b>7.3.1</b></a>, <a href="#rfc.xref.status.300.2">9.2</a></li>
     3101                  <li>301 Moved Permanently (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.301.1">4.1</a>, <a href="#rfc.iref.32"><b>7.3.2</b></a>, <a href="#rfc.xref.status.301.2">9.2</a>, <a href="#rfc.xref.status.301.3">A</a></li>
     3102                  <li>302 Found (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.302.1">4.1</a>, <a href="#rfc.iref.33"><b>7.3.3</b></a>, <a href="#rfc.xref.status.302.2">9.2</a>, <a href="#rfc.xref.status.302.3">A</a></li>
     3103                  <li>303 See Other (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.303.1">4.1</a>, <a href="#rfc.xref.status.303.2">7.3.3</a>, <a href="#rfc.iref.34"><b>7.3.4</b></a>, <a href="#rfc.xref.status.303.3">9.2</a></li>
     3104                  <li>304 Not Modified (status code)&nbsp;&nbsp;<a href="#rfc.iref.35"><b>7.3.5</b></a></li>
     3105                  <li>305 Use Proxy (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.305.1">4.1</a>, <a href="#rfc.iref.36"><b>7.3.6</b></a>, <a href="#rfc.xref.status.305.2">9.2</a>, <a href="#rfc.xref.status.305.3">A</a></li>
     3106                  <li>306 (Unused) (status code)&nbsp;&nbsp;<a href="#rfc.iref.37"><b>7.3.7</b></a>, <a href="#rfc.xref.status.306.1">9.2</a></li>
     3107                  <li>307 Temporary Redirect (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.307.1">4.1</a>, <a href="#rfc.xref.status.307.2">7.3.3</a>, <a href="#rfc.iref.38"><b>7.3.8</b></a>, <a href="#rfc.xref.status.307.3">9.2</a>, <a href="#rfc.xref.status.307.4">A</a></li>
    31053108               </ul>
    31063109            </li>
    31073110            <li><a id="rfc.index.4" href="#rfc.index.4"><b>4</b></a><ul>
    3108                   <li>400 Bad Request (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.400.1">4.1</a>, <a href="#rfc.iref.39"><b>8.4.1</b></a>, <a href="#rfc.xref.status.400.2">10.2</a></li>
    3109                   <li>401 Unauthorized (status code)&nbsp;&nbsp;<a href="#rfc.iref.40"><b>8.4.2</b></a></li>
    3110                   <li>402 Payment Required (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.402.1">4.1</a>, <a href="#rfc.iref.41"><b>8.4.3</b></a>, <a href="#rfc.xref.status.402.2">10.2</a></li>
    3111                   <li>403 Forbidden (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.403.1">4.1</a>, <a href="#rfc.iref.42"><b>8.4.4</b></a>, <a href="#rfc.xref.status.403.2">10.2</a></li>
    3112                   <li>404 Not Found (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.404.1">4.1</a>, <a href="#rfc.iref.43"><b>8.4.5</b></a>, <a href="#rfc.xref.status.404.2">10.2</a></li>
    3113                   <li>405 Method Not Allowed (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.405.1">4.1</a>, <a href="#rfc.iref.44"><b>8.4.6</b></a>, <a href="#rfc.xref.status.405.2">10.2</a></li>
    3114                   <li>406 Not Acceptable (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.406.1">4.1</a>, <a href="#rfc.iref.45"><b>8.4.7</b></a>, <a href="#rfc.xref.status.406.2">10.2</a></li>
    3115                   <li>407 Proxy Authentication Required (status code)&nbsp;&nbsp;<a href="#rfc.iref.46"><b>8.4.8</b></a>, <a href="#rfc.xref.status.407.1">10.2</a></li>
    3116                   <li>408 Request Timeout (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.408.1">4.1</a>, <a href="#rfc.iref.47"><b>8.4.9</b></a>, <a href="#rfc.xref.status.408.2">10.2</a></li>
    3117                   <li>409 Conflict (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.409.1">4.1</a>, <a href="#rfc.iref.48"><b>8.4.10</b></a>, <a href="#rfc.xref.status.409.2">10.2</a></li>
    3118                   <li>410 Gone (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.410.1">4.1</a>, <a href="#rfc.iref.49"><b>8.4.11</b></a>, <a href="#rfc.xref.status.410.2">10.2</a></li>
    3119                   <li>411 Length Required (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.411.1">4.1</a>, <a href="#rfc.iref.50"><b>8.4.12</b></a>, <a href="#rfc.xref.status.411.2">10.2</a></li>
    3120                   <li>412 Precondition Failed (status code)&nbsp;&nbsp;<a href="#rfc.iref.51"><b>8.4.13</b></a></li>
    3121                   <li>413 Request Representation Too Large (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.413.1">4.1</a>, <a href="#rfc.iref.52"><b>8.4.14</b></a>, <a href="#rfc.xref.status.413.2">10.2</a></li>
    3122                   <li>414 URI Too Long (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.414.1">4.1</a>, <a href="#rfc.iref.53"><b>8.4.15</b></a>, <a href="#rfc.xref.status.414.2">10.2</a></li>
    3123                   <li>415 Unsupported Media Type (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.415.1">4.1</a>, <a href="#rfc.iref.54"><b>8.4.16</b></a>, <a href="#rfc.xref.status.415.2">10.2</a></li>
    3124                   <li>416 Requested Range Not Satisfiable (status code)&nbsp;&nbsp;<a href="#rfc.iref.55"><b>8.4.17</b></a></li>
    3125                   <li>417 Expectation Failed (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.417.1">4.1</a>, <a href="#rfc.iref.56"><b>8.4.18</b></a>, <a href="#rfc.xref.status.417.2">10.2</a></li>
    3126                   <li>426 Upgrade Required (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.426.1">4.1</a>, <a href="#rfc.iref.57"><b>8.4.19</b></a>, <a href="#rfc.xref.status.426.2">10.2</a>, <a href="#rfc.xref.status.426.3">A</a></li>
     3111                  <li>400 Bad Request (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.400.1">4.1</a>, <a href="#rfc.iref.39"><b>7.4.1</b></a>, <a href="#rfc.xref.status.400.2">9.2</a></li>
     3112                  <li>401 Unauthorized (status code)&nbsp;&nbsp;<a href="#rfc.iref.40"><b>7.4.2</b></a></li>
     3113                  <li>402 Payment Required (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.402.1">4.1</a>, <a href="#rfc.iref.41"><b>7.4.3</b></a>, <a href="#rfc.xref.status.402.2">9.2</a></li>
     3114                  <li>403 Forbidden (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.403.1">4.1</a>, <a href="#rfc.iref.42"><b>7.4.4</b></a>, <a href="#rfc.xref.status.403.2">9.2</a></li>
     3115                  <li>404 Not Found (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.404.1">4.1</a>, <a href="#rfc.iref.43"><b>7.4.5</b></a>, <a href="#rfc.xref.status.404.2">9.2</a></li>
     3116                  <li>405 Method Not Allowed (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.405.1">4.1</a>, <a href="#rfc.iref.44"><b>7.4.6</b></a>, <a href="#rfc.xref.status.405.2">9.2</a></li>
     3117                  <li>406 Not Acceptable (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.406.1">4.1</a>, <a href="#rfc.iref.45"><b>7.4.7</b></a>, <a href="#rfc.xref.status.406.2">9.2</a></li>
     3118                  <li>407 Proxy Authentication Required (status code)&nbsp;&nbsp;<a href="#rfc.iref.46"><b>7.4.8</b></a>, <a href="#rfc.xref.status.407.1">9.2</a></li>
     3119                  <li>408 Request Timeout (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.408.1">4.1</a>, <a href="#rfc.iref.47"><b>7.4.9</b></a>, <a href="#rfc.xref.status.408.2">9.2</a></li>
     3120                  <li>409 Conflict (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.409.1">4.1</a>, <a href="#rfc.iref.48"><b>7.4.10</b></a>, <a href="#rfc.xref.status.409.2">9.2</a></li>
     3121                  <li>410 Gone (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.410.1">4.1</a>, <a href="#rfc.iref.49"><b>7.4.11</b></a>, <a href="#rfc.xref.status.410.2">9.2</a></li>
     3122                  <li>411 Length Required (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.411.1">4.1</a>, <a href="#rfc.iref.50"><b>7.4.12</b></a>, <a href="#rfc.xref.status.411.2">9.2</a></li>
     3123                  <li>412 Precondition Failed (status code)&nbsp;&nbsp;<a href="#rfc.iref.51"><b>7.4.13</b></a></li>
     3124                  <li>413 Request Representation Too Large (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.413.1">4.1</a>, <a href="#rfc.iref.52"><b>7.4.14</b></a>, <a href="#rfc.xref.status.413.2">9.2</a></li>
     3125                  <li>414 URI Too Long (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.414.1">4.1</a>, <a href="#rfc.iref.53"><b>7.4.15</b></a>, <a href="#rfc.xref.status.414.2">9.2</a></li>
     3126                  <li>415 Unsupported Media Type (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.415.1">4.1</a>, <a href="#rfc.iref.54"><b>7.4.16</b></a>, <a href="#rfc.xref.status.415.2">9.2</a></li>
     3127                  <li>416 Requested Range Not Satisfiable (status code)&nbsp;&nbsp;<a href="#rfc.iref.55"><b>7.4.17</b></a></li>
     3128                  <li>417 Expectation Failed (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.417.1">4.1</a>, <a href="#rfc.iref.56"><b>7.4.18</b></a>, <a href="#rfc.xref.status.417.2">9.2</a></li>
     3129                  <li>426 Upgrade Required (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.426.1">4.1</a>, <a href="#rfc.iref.57"><b>7.4.19</b></a>, <a href="#rfc.xref.status.426.2">9.2</a>, <a href="#rfc.xref.status.426.3">A</a></li>
    31273130               </ul>
    31283131            </li>
    31293132            <li><a id="rfc.index.5" href="#rfc.index.5"><b>5</b></a><ul>
    3130                   <li>500 Internal Server Error (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.500.1">4.1</a>, <a href="#rfc.iref.58"><b>8.5.1</b></a>, <a href="#rfc.xref.status.500.2">10.2</a></li>
    3131                   <li>501 Not Implemented (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.501.1">4.1</a>, <a href="#rfc.iref.59"><b>8.5.2</b></a>, <a href="#rfc.xref.status.501.2">10.2</a></li>
    3132                   <li>502 Bad Gateway (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.502.1">4.1</a>, <a href="#rfc.iref.60"><b>8.5.3</b></a>, <a href="#rfc.xref.status.502.2">10.2</a></li>
    3133                   <li>503 Service Unavailable (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.503.1">4.1</a>, <a href="#rfc.iref.61"><b>8.5.4</b></a>, <a href="#rfc.xref.status.503.2">10.2</a></li>
    3134                   <li>504 Gateway Timeout (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.504.1">4.1</a>, <a href="#rfc.iref.62"><b>8.5.5</b></a>, <a href="#rfc.xref.status.504.2">10.2</a></li>
    3135                   <li>505 HTTP Version Not Supported (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.505.1">4.1</a>, <a href="#rfc.iref.63"><b>8.5.6</b></a>, <a href="#rfc.xref.status.505.2">10.2</a></li>
     3133                  <li>500 Internal Server Error (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.500.1">4.1</a>, <a href="#rfc.iref.58"><b>7.5.1</b></a>, <a href="#rfc.xref.status.500.2">9.2</a></li>
     3134                  <li>501 Not Implemented (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.501.1">4.1</a>, <a href="#rfc.iref.59"><b>7.5.2</b></a>, <a href="#rfc.xref.status.501.2">9.2</a></li>
     3135                  <li>502 Bad Gateway (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.502.1">4.1</a>, <a href="#rfc.iref.60"><b>7.5.3</b></a>, <a href="#rfc.xref.status.502.2">9.2</a></li>
     3136                  <li>503 Service Unavailable (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.503.1">4.1</a>, <a href="#rfc.iref.61"><b>7.5.4</b></a>, <a href="#rfc.xref.status.503.2">9.2</a></li>
     3137                  <li>504 Gateway Timeout (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.504.1">4.1</a>, <a href="#rfc.iref.62"><b>7.5.5</b></a>, <a href="#rfc.xref.status.504.2">9.2</a></li>
     3138                  <li>505 HTTP Version Not Supported (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.505.1">4.1</a>, <a href="#rfc.iref.63"><b>7.5.6</b></a>, <a href="#rfc.xref.status.505.2">9.2</a></li>
    31363139               </ul>
    31373140            </li>
    31383141            <li><a id="rfc.index.A" href="#rfc.index.A"><b>A</b></a><ul>
    3139                   <li>Allow header field&nbsp;&nbsp;<a href="#rfc.xref.header.allow.1">2</a>, <a href="#rfc.xref.header.allow.2">5</a>, <a href="#rfc.iref.a.1"><b>9.1</b></a>, <a href="#rfc.xref.header.allow.3">10.3</a>, <a href="#rfc.xref.header.allow.4">A</a></li>
     3142                  <li>Allow header field&nbsp;&nbsp;<a href="#rfc.xref.header.allow.1">2</a>, <a href="#rfc.xref.header.allow.2">3.2</a>, <a href="#rfc.iref.a.1"><b>8.1</b></a>, <a href="#rfc.xref.header.allow.3">9.3</a>, <a href="#rfc.xref.header.allow.4">A</a></li>
    31403143               </ul>
    31413144            </li>
    31423145            <li><a id="rfc.index.C" href="#rfc.index.C"><b>C</b></a><ul>
    3143                   <li>CONNECT method&nbsp;&nbsp;<a href="#rfc.xref.CONNECT.1">2.1</a>, <a href="#rfc.iref.c.1"><b>7.9</b></a>, <a href="#rfc.xref.CONNECT.2">10.1</a>, <a href="#rfc.xref.CONNECT.3">A</a></li>
     3146                  <li>CONNECT method&nbsp;&nbsp;<a href="#rfc.xref.CONNECT.1">2.1</a>, <a href="#rfc.iref.c.1"><b>6.9</b></a>, <a href="#rfc.xref.CONNECT.2">9.1</a>, <a href="#rfc.xref.CONNECT.3">A</a></li>
    31443147               </ul>
    31453148            </li>
    31463149            <li><a id="rfc.index.D" href="#rfc.index.D"><b>D</b></a><ul>
    3147                   <li>DELETE method&nbsp;&nbsp;<a href="#rfc.xref.DELETE.1">2.1</a>, <a href="#rfc.iref.d.1"><b>7.7</b></a>, <a href="#rfc.xref.DELETE.2">10.1</a></li>
     3150                  <li>DELETE method&nbsp;&nbsp;<a href="#rfc.xref.DELETE.1">2.1</a>, <a href="#rfc.iref.d.1"><b>6.7</b></a>, <a href="#rfc.xref.DELETE.2">9.1</a></li>
    31483151               </ul>
    31493152            </li>
    31503153            <li><a id="rfc.index.E" href="#rfc.index.E"><b>E</b></a><ul>
    3151                   <li>Expect header field&nbsp;&nbsp;<a href="#rfc.xref.header.expect.1">3</a>, <a href="#rfc.xref.header.expect.2">8.4.18</a>, <a href="#rfc.iref.e.1"><b>9.2</b></a>, <a href="#rfc.xref.header.expect.3">10.3</a></li>
     3154                  <li>Expect header field&nbsp;&nbsp;<a href="#rfc.xref.header.expect.1">3.1</a>, <a href="#rfc.xref.header.expect.2">7.4.18</a>, <a href="#rfc.iref.e.1"><b>8.2</b></a>, <a href="#rfc.xref.header.expect.3">9.3</a></li>
    31523155               </ul>
    31533156            </li>
    31543157            <li><a id="rfc.index.F" href="#rfc.index.F"><b>F</b></a><ul>
    3155                   <li>From header field&nbsp;&nbsp;<a href="#rfc.xref.header.from.1">3</a>, <a href="#rfc.iref.f.1"><b>9.3</b></a>, <a href="#rfc.xref.header.from.2">10.3</a></li>
     3158                  <li>From header field&nbsp;&nbsp;<a href="#rfc.xref.header.from.1">3.1</a>, <a href="#rfc.iref.f.1"><b>8.3</b></a>, <a href="#rfc.xref.header.from.2">9.3</a></li>
    31563159               </ul>
    31573160            </li>
    31583161            <li><a id="rfc.index.G" href="#rfc.index.G"><b>G</b></a><ul>
    3159                   <li>GET method&nbsp;&nbsp;<a href="#rfc.xref.GET.1">2.1</a>, <a href="#rfc.iref.g.5"><b>7.3</b></a>, <a href="#rfc.xref.GET.2">10.1</a></li>
     3162                  <li>GET method&nbsp;&nbsp;<a href="#rfc.xref.GET.1">2.1</a>, <a href="#rfc.iref.g.5"><b>6.3</b></a>, <a href="#rfc.xref.GET.2">9.1</a></li>
    31603163                  <li><tt>Grammar</tt>&nbsp;&nbsp;
    31613164                     <ul>
    3162                         <li><tt>Allow</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.6"><b>9.1</b></a></li>
    3163                         <li><tt>delta-seconds</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.16"><b>9.7</b></a></li>
    3164                         <li><tt>Expect</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.7"><b>9.2</b></a></li>
    3165                         <li><tt>expect-params</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.10"><b>9.2</b></a></li>
    3166                         <li><tt>expectation</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.8"><b>9.2</b></a></li>
    3167                         <li><tt>expectation-extension</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.9"><b>9.2</b></a></li>
     3165                        <li><tt>Allow</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.6"><b>8.1</b></a></li>
     3166                        <li><tt>delta-seconds</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.16"><b>8.7</b></a></li>
     3167                        <li><tt>Expect</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.7"><b>8.2</b></a></li>
     3168                        <li><tt>expect-params</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.10"><b>8.2</b></a></li>
     3169                        <li><tt>expectation</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.8"><b>8.2</b></a></li>
     3170                        <li><tt>expectation-extension</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.9"><b>8.2</b></a></li>
    31683171                        <li><tt>extension-code</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.3"><b>4</b></a></li>
    3169                         <li><tt>From</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.11"><b>9.3</b></a></li>
    3170                         <li><tt>Location</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.12"><b>9.4</b></a></li>
    3171                         <li><tt>Max-Forwards</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.13"><b>9.5</b></a></li>
     3172                        <li><tt>From</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.11"><b>8.3</b></a></li>
     3173                        <li><tt>Location</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.12"><b>8.4</b></a></li>
     3174                        <li><tt>Max-Forwards</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.13"><b>8.5</b></a></li>
    31723175                        <li><tt>Method</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.1"><b>2</b></a></li>
    31733176                        <li><tt>Reason-Phrase</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.4"><b>4</b></a></li>
    3174                         <li><tt>Referer</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.14"><b>9.6</b></a></li>
    3175                         <li><tt>Retry-After</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.15"><b>9.7</b></a></li>
    3176                         <li><tt>Server</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.17"><b>9.8</b></a></li>
     3177                        <li><tt>Referer</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.14"><b>8.6</b></a></li>
     3178                        <li><tt>Retry-After</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.15"><b>8.7</b></a></li>
     3179                        <li><tt>Server</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.17"><b>8.8</b></a></li>
    31773180                        <li><tt>Status-Code</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.2"><b>4</b></a></li>
    3178                         <li><tt>User-Agent</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.18"><b>9.9</b></a></li>
     3181                        <li><tt>User-Agent</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.18"><b>8.9</b></a></li>
    31793182                     </ul>
    31803183                  </li>
    … …  
    31823185            </li>
    31833186            <li><a id="rfc.index.H" href="#rfc.index.H"><b>H</b></a><ul>
    3184                   <li>HEAD method&nbsp;&nbsp;<a href="#rfc.xref.HEAD.1">2.1</a>, <a href="#rfc.iref.h.1"><b>7.4</b></a>, <a href="#rfc.xref.HEAD.2">10.1</a></li>
     3187                  <li>HEAD method&nbsp;&nbsp;<a href="#rfc.xref.HEAD.1">2.1</a>, <a href="#rfc.iref.h.1"><b>6.4</b></a>, <a href="#rfc.xref.HEAD.2">9.1</a></li>
    31853188                  <li>Header Fields&nbsp;&nbsp;
    31863189                     <ul>
    3187                         <li>Allow&nbsp;&nbsp;<a href="#rfc.xref.header.allow.1">2</a>, <a href="#rfc.xref.header.allow.2">5</a>, <a href="#rfc.iref.h.2"><b>9.1</b></a>, <a href="#rfc.xref.header.allow.3">10.3</a>, <a href="#rfc.xref.header.allow.4">A</a></li>
    3188                         <li>Expect&nbsp;&nbsp;<a href="#rfc.xref.header.expect.1">3</a>, <a href="#rfc.xref.header.expect.2">8.4.18</a>, <a href="#rfc.iref.h.3"><b>9.2</b></a>, <a href="#rfc.xref.header.expect.3">10.3</a></li>
    3189                         <li>From&nbsp;&nbsp;<a href="#rfc.xref.header.from.1">3</a>, <a href="#rfc.iref.h.4"><b>9.3</b></a>, <a href="#rfc.xref.header.from.2">10.3</a></li>
    3190                         <li>Location&nbsp;&nbsp;<a href="#rfc.xref.header.location.1">5</a>, <a href="#rfc.xref.header.location.2">7.5</a>, <a href="#rfc.iref.h.5"><b>9.4</b></a>, <a href="#rfc.xref.header.location.3">10.3</a>, <a href="#rfc.xref.header.location.4">A</a></li>
    3191                         <li>Max-Forwards&nbsp;&nbsp;<a href="#rfc.xref.header.max-forwards.1">3</a>, <a href="#rfc.xref.header.max-forwards.2">7.2</a>, <a href="#rfc.xref.header.max-forwards.3">7.8</a>, <a href="#rfc.iref.h.6"><b>9.5</b></a>, <a href="#rfc.xref.header.max-forwards.4">10.3</a>, <a href="#rfc.xref.header.max-forwards.5">A</a></li>
    3192                         <li>Referer&nbsp;&nbsp;<a href="#rfc.xref.header.referer.1">3</a>, <a href="#rfc.iref.h.7"><b>9.6</b></a>, <a href="#rfc.xref.header.referer.2">10.3</a>, <a href="#rfc.xref.header.referer.3">A</a></li>
    3193                         <li>Retry-After&nbsp;&nbsp;<a href="#rfc.xref.header.retry-after.1">5</a>, <a href="#rfc.xref.header.retry-after.2">8.5.4</a>, <a href="#rfc.iref.h.8"><b>9.7</b></a>, <a href="#rfc.xref.header.retry-after.3">10.3</a></li>
    3194                         <li>Server&nbsp;&nbsp;<a href="#rfc.xref.header.server.1">5</a>, <a href="#rfc.iref.h.9"><b>9.8</b></a>, <a href="#rfc.xref.header.server.2">10.3</a>, <a href="#rfc.xref.header.server.3">11.1</a>, <a href="#rfc.xref.header.server.4">A</a></li>
    3195                         <li>User-Agent&nbsp;&nbsp;<a href="#rfc.xref.header.user-agent.1">3</a>, <a href="#rfc.iref.h.10"><b>9.9</b></a>, <a href="#rfc.xref.header.user-agent.2">10.3</a>, <a href="#rfc.xref.header.user-agent.3">11.1</a></li>
     3190                        <li>Allow&nbsp;&nbsp;<a href="#rfc.xref.header.allow.1">2</a>, <a href="#rfc.xref.header.allow.2">3.2</a>, <a href="#rfc.iref.h.2"><b>8.1</b></a>, <a href="#rfc.xref.header.allow.3">9.3</a>, <a href="#rfc.xref.header.allow.4">A</a></li>
     3191                        <li>Expect&nbsp;&nbsp;<a href="#rfc.xref.header.expect.1">3.1</a>, <a href="#rfc.xref.header.expect.2">7.4.18</a>, <a href="#rfc.iref.h.3"><b>8.2</b></a>, <a href="#rfc.xref.header.expect.3">9.3</a></li>
     3192                        <li>From&nbsp;&nbsp;<a href="#rfc.xref.header.from.1">3.1</a>, <a href="#rfc.iref.h.4"><b>8.3</b></a>, <a href="#rfc.xref.header.from.2">9.3</a></li>
     3193                        <li>Location&nbsp;&nbsp;<a href="#rfc.xref.header.location.1">3.2</a>, <a href="#rfc.xref.header.location.2">6.5</a>, <a href="#rfc.iref.h.5"><b>8.4</b></a>, <a href="#rfc.xref.header.location.3">9.3</a>, <a href="#rfc.xref.header.location.4">A</a></li>
     3194                        <li>Max-Forwards&nbsp;&nbsp;<a href="#rfc.xref.header.max-forwards.1">3.1</a>, <a href="#rfc.xref.header.max-forwards.2">6.2</a>, <a href="#rfc.xref.header.max-forwards.3">6.8</a>, <a href="#rfc.iref.h.6"><b>8.5</b></a>, <a href="#rfc.xref.header.max-forwards.4">9.3</a>, <a href="#rfc.xref.header.max-forwards.5">A</a></li>
     3195                        <li>Referer&nbsp;&nbsp;<a href="#rfc.xref.header.referer.1">3.1</a>, <a href="#rfc.iref.h.7"><b>8.6</b></a>, <a href="#rfc.xref.header.referer.2">9.3</a>, <a href="#rfc.xref.header.referer.3">A</a></li>
     3196                        <li>Retry-After&nbsp;&nbsp;<a href="#rfc.xref.header.retry-after.1">3.2</a>, <a href="#rfc.xref.header.retry-after.2">7.5.4</a>, <a href="#rfc.iref.h.8"><b>8.7</b></a>, <a href="#rfc.xref.header.retry-after.3">9.3</a></li>
     3197                        <li>Server&nbsp;&nbsp;<a href="#rfc.xref.header.server.1">3.2</a>, <a href="#rfc.iref.h.9"><b>8.8</b></a>, <a href="#rfc.xref.header.server.2">9.3</a>, <a href="#rfc.xref.header.server.3">10.1</a>, <a href="#rfc.xref.header.server.4">A</a></li>
     3198                        <li>User-Agent&nbsp;&nbsp;<a href="#rfc.xref.header.user-agent.1">3.1</a>, <a href="#rfc.iref.h.10"><b>8.9</b></a>, <a href="#rfc.xref.header.user-agent.2">9.3</a>, <a href="#rfc.xref.header.user-agent.3">10.1</a></li>
    31963199                     </ul>
    31973200                  </li>
    … …  
    31993202            </li>
    32003203            <li><a id="rfc.index.I" href="#rfc.index.I"><b>I</b></a><ul>
    3201                   <li>Idempotent Methods&nbsp;&nbsp;<a href="#rfc.iref.i.1"><b>7.1.2</b></a></li>
     3204                  <li>Idempotent Methods&nbsp;&nbsp;<a href="#rfc.iref.i.1"><b>6.1.2</b></a></li>
    32023205               </ul>
    32033206            </li>
    32043207            <li><a id="rfc.index.L" href="#rfc.index.L"><b>L</b></a><ul>
    3205                   <li>Location header field&nbsp;&nbsp;<a href="#rfc.xref.header.location.1">5</a>, <a href="#rfc.xref.header.location.2">7.5</a>, <a href="#rfc.iref.l.1"><b>9.4</b></a>, <a href="#rfc.xref.header.location.3">10.3</a>, <a href="#rfc.xref.header.location.4">A</a></li>
     3208                  <li>Location header field&nbsp;&nbsp;<a href="#rfc.xref.header.location.1">3.2</a>, <a href="#rfc.xref.header.location.2">6.5</a>, <a href="#rfc.iref.l.1"><b>8.4</b></a>, <a href="#rfc.xref.header.location.3">9.3</a>, <a href="#rfc.xref.header.location.4">A</a></li>
    32063209               </ul>
    32073210            </li>
    32083211            <li><a id="rfc.index.M" href="#rfc.index.M"><b>M</b></a><ul>
    3209                   <li>Max-Forwards header field&nbsp;&nbsp;<a href="#rfc.xref.header.max-forwards.1">3</a>, <a href="#rfc.xref.header.max-forwards.2">7.2</a>, <a href="#rfc.xref.header.max-forwards.3">7.8</a>, <a href="#rfc.iref.m.9"><b>9.5</b></a>, <a href="#rfc.xref.header.max-forwards.4">10.3</a>, <a href="#rfc.xref.header.max-forwards.5">A</a></li>
     3212                  <li>Max-Forwards header field&nbsp;&nbsp;<a href="#rfc.xref.header.max-forwards.1">3.1</a>, <a href="#rfc.xref.header.max-forwards.2">6.2</a>, <a href="#rfc.xref.header.max-forwards.3">6.8</a>, <a href="#rfc.iref.m.9"><b>8.5</b></a>, <a href="#rfc.xref.header.max-forwards.4">9.3</a>, <a href="#rfc.xref.header.max-forwards.5">A</a></li>
    32103213                  <li>Methods&nbsp;&nbsp;
    32113214                     <ul>
    3212                         <li>CONNECT&nbsp;&nbsp;<a href="#rfc.xref.CONNECT.1">2.1</a>, <a href="#rfc.iref.m.8"><b>7.9</b></a>, <a href="#rfc.xref.CONNECT.2">10.1</a>, <a href="#rfc.xref.CONNECT.3">A</a></li>
    3213                         <li>DELETE&nbsp;&nbsp;<a href="#rfc.xref.DELETE.1">2.1</a>, <a href="#rfc.iref.m.6"><b>7.7</b></a>, <a href="#rfc.xref.DELETE.2">10.1</a></li>
    3214                         <li>GET&nbsp;&nbsp;<a href="#rfc.xref.GET.1">2.1</a>, <a href="#rfc.iref.m.2"><b>7.3</b></a>, <a href="#rfc.xref.GET.2">10.1</a></li>
    3215                         <li>HEAD&nbsp;&nbsp;<a href="#rfc.xref.HEAD.1">2.1</a>, <a href="#rfc.iref.m.3"><b>7.4</b></a>, <a href="#rfc.xref.HEAD.2">10.1</a></li>
    3216                         <li>OPTIONS&nbsp;&nbsp;<a href="#rfc.xref.OPTIONS.1">2.1</a>, <a href="#rfc.iref.m.1"><b>7.2</b></a>, <a href="#rfc.xref.OPTIONS.2">9.5</a>, <a href="#rfc.xref.OPTIONS.3">10.1</a></li>
    3217                         <li>POST&nbsp;&nbsp;<a href="#rfc.xref.POST.1">2.1</a>, <a href="#rfc.iref.m.4"><b>7.5</b></a>, <a href="#rfc.xref.POST.2">10.1</a>, <a href="#rfc.xref.POST.3">A</a></li>
    3218                         <li>PUT&nbsp;&nbsp;<a href="#rfc.xref.PUT.1">2.1</a>, <a href="#rfc.iref.m.5"><b>7.6</b></a>, <a href="#rfc.xref.PUT.2">10.1</a>, <a href="#rfc.xref.PUT.3">A</a></li>
    3219                         <li>TRACE&nbsp;&nbsp;<a href="#rfc.xref.TRACE.1">2.1</a>, <a href="#rfc.iref.m.7"><b>7.8</b></a>, <a href="#rfc.xref.TRACE.2">9.5</a>, <a href="#rfc.xref.TRACE.3">10.1</a>, <a href="#rfc.xref.TRACE.4">11.1</a></li>
     3215                        <li>CONNECT&nbsp;&nbsp;<a href="#rfc.xref.CONNECT.1">2.1</a>, <a href="#rfc.iref.m.8"><b>6.9</b></a>, <a href="#rfc.xref.CONNECT.2">9.1</a>, <a href="#rfc.xref.CONNECT.3">A</a></li>
     3216                        <li>DELETE&nbsp;&nbsp;<a href="#rfc.xref.DELETE.1">2.1</a>, <a href="#rfc.iref.m.6"><b>6.7</b></a>, <a href="#rfc.xref.DELETE.2">9.1</a></li>
     3217                        <li>GET&nbsp;&nbsp;<a href="#rfc.xref.GET.1">2.1</a>, <a href="#rfc.iref.m.2"><b>6.3</b></a>, <a href="#rfc.xref.GET.2">9.1</a></li>
     3218                        <li>HEAD&nbsp;&nbsp;<a href="#rfc.xref.HEAD.1">2.1</a>, <a href="#rfc.iref.m.3"><b>6.4</b></a>, <a href="#rfc.xref.HEAD.2">9.1</a></li>
     3219                        <li>OPTIONS&nbsp;&nbsp;<a href="#rfc.xref.OPTIONS.1">2.1</a>, <a href="#rfc.iref.m.1"><b>6.2</b></a>, <a href="#rfc.xref.OPTIONS.2">8.5</a>, <a href="#rfc.xref.OPTIONS.3">9.1</a></li>
     3220                        <li>POST&nbsp;&nbsp;<a href="#rfc.xref.POST.1">2.1</a>, <a href="#rfc.iref.m.4"><b>6.5</b></a>, <a href="#rfc.xref.POST.2">9.1</a>, <a href="#rfc.xref.POST.3">A</a></li>
     3221                        <li>PUT&nbsp;&nbsp;<a href="#rfc.xref.PUT.1">2.1</a>, <a href="#rfc.iref.m.5"><b>6.6</b></a>, <a href="#rfc.xref.PUT.2">9.1</a>, <a href="#rfc.xref.PUT.3">A</a></li>
     3222                        <li>TRACE&nbsp;&nbsp;<a href="#rfc.xref.TRACE.1">2.1</a>, <a href="#rfc.iref.m.7"><b>6.8</b></a>, <a href="#rfc.xref.TRACE.2">8.5</a>, <a href="#rfc.xref.TRACE.3">9.1</a>, <a href="#rfc.xref.TRACE.4">10.1</a></li>
    32203223                     </ul>
    32213224                  </li>
    … …  
    32233226            </li>
    32243227            <li><a id="rfc.index.O" href="#rfc.index.O"><b>O</b></a><ul>
    3225                   <li>OPTIONS method&nbsp;&nbsp;<a href="#rfc.xref.OPTIONS.1">2.1</a>, <a href="#rfc.iref.o.1"><b>7.2</b></a>, <a href="#rfc.xref.OPTIONS.2">9.5</a>, <a href="#rfc.xref.OPTIONS.3">10.1</a></li>
     3228                  <li>OPTIONS method&nbsp;&nbsp;<a href="#rfc.xref.OPTIONS.1">2.1</a>, <a href="#rfc.iref.o.1"><b>6.2</b></a>, <a href="#rfc.xref.OPTIONS.2">8.5</a>, <a href="#rfc.xref.OPTIONS.3">9.1</a></li>
    32263229               </ul>
    32273230            </li>
    32283231            <li><a id="rfc.index.P" href="#rfc.index.P"><b>P</b></a><ul>
    3229                   <li><em>Part1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.1">1</a>, <a href="#rfc.xref.Part1.2">1.2</a>, <a href="#rfc.xref.Part1.3">1.2.1</a>, <a href="#rfc.xref.Part1.4">1.2.1</a>, <a href="#rfc.xref.Part1.5">1.2.1</a>, <a href="#rfc.xref.Part1.6">1.2.1</a>, <a href="#rfc.xref.Part1.7">1.2.1</a>, <a href="#rfc.xref.Part1.8">1.2.1</a>, <a href="#rfc.xref.Part1.9">1.2.2</a>, <a href="#rfc.xref.Part1.10">1.2.2</a>, <a href="#rfc.xref.Part1.11">1.2.2</a>, <a href="#rfc.xref.Part1.12">1.2.2</a>, <a href="#rfc.xref.Part1.13">1.2.2</a>, <a href="#rfc.xref.Part1.14">1.2.2</a>, <a href="#rfc.xref.Part1.15">2</a>, <a href="#rfc.xref.Part1.16">2.2.1</a>, <a href="#rfc.xref.Part1.17">3</a>, <a href="#rfc.xref.Part1.18">3</a>, <a href="#rfc.xref.Part1.19">5</a>, <a href="#rfc.xref.Part1.20">6</a>, <a href="#rfc.xref.Part1.21">6.1</a>, <a href="#rfc.xref.Part1.22">7.8</a>, <a href="#rfc.xref.Part1.23">7.8</a>, <a href="#rfc.xref.Part1.24">7.9</a>, <a href="#rfc.xref.Part1.25">8.1.1</a>, <a href="#rfc.xref.Part1.26">8.1.2</a>, <a href="#rfc.xref.Part1.27">8.2.4</a>, <a href="#rfc.xref.Part1.28">8.2.6</a>, <a href="#rfc.xref.Part1.29">8.4.19</a>, <a href="#rfc.xref.Part1.30">8.5.6</a>, <a href="#rfc.xref.Part1.31">9.2</a>, <a href="#rfc.xref.Part1.32">9.8</a>, <a href="#rfc.xref.Part1.33">9.8</a>, <a href="#rfc.xref.Part1.34">9.8</a>, <a href="#rfc.xref.Part1.35">9.9</a>, <a href="#rfc.xref.Part1.36">9.9</a>, <a href="#rfc.xref.Part1.37">12</a>, <a href="#Part1"><b>13.1</b></a>, <a href="#rfc.xref.Part1.38">A</a><ul>
     3232                  <li><em>Part1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.1">1</a>, <a href="#rfc.xref.Part1.2">1.2</a>, <a href="#rfc.xref.Part1.3">1.2.1</a>, <a href="#rfc.xref.Part1.4">1.2.1</a>, <a href="#rfc.xref.Part1.5">1.2.1</a>, <a href="#rfc.xref.Part1.6">1.2.1</a>, <a href="#rfc.xref.Part1.7">1.2.1</a>, <a href="#rfc.xref.Part1.8">1.2.1</a>, <a href="#rfc.xref.Part1.9">1.2.2</a>, <a href="#rfc.xref.Part1.10">1.2.2</a>, <a href="#rfc.xref.Part1.11">1.2.2</a>, <a href="#rfc.xref.Part1.12">1.2.2</a>, <a href="#rfc.xref.Part1.13">1.2.2</a>, <a href="#rfc.xref.Part1.14">1.2.2</a>, <a href="#rfc.xref.Part1.15">2</a>, <a href="#rfc.xref.Part1.16">2.2.1</a>, <a href="#rfc.xref.Part1.17">3.1</a>, <a href="#rfc.xref.Part1.18">3.1</a>, <a href="#rfc.xref.Part1.19">3.2</a>, <a href="#rfc.xref.Part1.20">5</a>, <a href="#rfc.xref.Part1.21">5.1</a>, <a href="#rfc.xref.Part1.22">6.8</a>, <a href="#rfc.xref.Part1.23">6.8</a>, <a href="#rfc.xref.Part1.24">6.9</a>, <a href="#rfc.xref.Part1.25">7.1.1</a>, <a href="#rfc.xref.Part1.26">7.1.2</a>, <a href="#rfc.xref.Part1.27">7.2.4</a>, <a href="#rfc.xref.Part1.28">7.2.6</a>, <a href="#rfc.xref.Part1.29">7.4.19</a>, <a href="#rfc.xref.Part1.30">7.5.6</a>, <a href="#rfc.xref.Part1.31">8.2</a>, <a href="#rfc.xref.Part1.32">8.8</a>, <a href="#rfc.xref.Part1.33">8.8</a>, <a href="#rfc.xref.Part1.34">8.8</a>, <a href="#rfc.xref.Part1.35">8.9</a>, <a href="#rfc.xref.Part1.36">8.9</a>, <a href="#rfc.xref.Part1.37">11</a>, <a href="#Part1"><b>12.1</b></a>, <a href="#rfc.xref.Part1.38">A</a><ul>
    32303233                        <li><em>Section 1.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.2">1.2</a></li>
    32313234                        <li><em>Section 1.2.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.4">1.2.1</a>, <a href="#rfc.xref.Part1.5">1.2.1</a>, <a href="#rfc.xref.Part1.6">1.2.1</a></li>
    3232                         <li><em>Section 2.4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.27">8.2.4</a></li>
    3233                         <li><em>Section 2.6</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.30">8.5.6</a></li>
     3235                        <li><em>Section 2.4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.27">7.2.4</a></li>
     3236                        <li><em>Section 2.6</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.30">7.5.6</a></li>
    32343237                        <li><em>Section 2.7</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.9">1.2.2</a>, <a href="#rfc.xref.Part1.12">1.2.2</a>, <a href="#rfc.xref.Part1.14">1.2.2</a></li>
    3235                         <li><em>Section 3.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.10">1.2.2</a>, <a href="#rfc.xref.Part1.33">9.8</a>, <a href="#rfc.xref.Part1.36">9.9</a></li>
     3238                        <li><em>Section 3.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.10">1.2.2</a>, <a href="#rfc.xref.Part1.33">8.8</a>, <a href="#rfc.xref.Part1.36">8.9</a></li>
    32363239                        <li><em>Section 3.2.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.7">1.2.1</a>, <a href="#rfc.xref.Part1.8">1.2.1</a></li>
    3237                         <li><em>Section 3.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.16">2.2.1</a>, <a href="#rfc.xref.Part1.20">6</a>, <a href="#rfc.xref.Part1.28">8.2.6</a></li>
    3238                         <li><em>Section 4.1.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.24">7.9</a></li>
    3239                         <li><em>Section 4.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.15">2</a>, <a href="#rfc.xref.Part1.19">5</a>, <a href="#rfc.xref.Part1.21">6.1</a></li>
     3240                        <li><em>Section 3.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.16">2.2.1</a>, <a href="#rfc.xref.Part1.20">5</a>, <a href="#rfc.xref.Part1.28">7.2.6</a></li>
     3241                        <li><em>Section 4.1.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.24">6.9</a></li>
     3242                        <li><em>Section 4.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.15">2</a>, <a href="#rfc.xref.Part1.19">3.2</a>, <a href="#rfc.xref.Part1.21">5.1</a></li>
    32403243                        <li><em>Section 6.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.11">1.2.2</a></li>
    3241                         <li><em>Section 6.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.13">1.2.2</a>, <a href="#rfc.xref.Part1.32">9.8</a>, <a href="#rfc.xref.Part1.35">9.9</a></li>
    3242                         <li><em>Section 7.2.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.25">8.1.1</a>, <a href="#rfc.xref.Part1.31">9.2</a></li>
    3243                         <li><em>Section 9.4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.17">3</a></li>
    3244                         <li><em>Section 9.5</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.18">3</a></li>
    3245                         <li><em>Section 9.8</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.26">8.1.2</a>, <a href="#rfc.xref.Part1.29">8.4.19</a></li>
    3246                         <li><em>Section 9.9</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.22">7.8</a>, <a href="#rfc.xref.Part1.34">9.8</a>, <a href="#rfc.xref.Part1.38">A</a></li>
    3247                         <li><em>Section 10.3.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.23">7.8</a></li>
    3248                         <li><em>Section 12</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.37">12</a></li>
     3244                        <li><em>Section 6.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.13">1.2.2</a>, <a href="#rfc.xref.Part1.32">8.8</a>, <a href="#rfc.xref.Part1.35">8.9</a></li>
     3245                        <li><em>Section 7.2.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.25">7.1.1</a>, <a href="#rfc.xref.Part1.31">8.2</a></li>
     3246                        <li><em>Section 9.4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.17">3.1</a></li>
     3247                        <li><em>Section 9.5</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.18">3.1</a></li>
     3248                        <li><em>Section 9.8</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.26">7.1.2</a>, <a href="#rfc.xref.Part1.29">7.4.19</a></li>
     3249                        <li><em>Section 9.9</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.22">6.8</a>, <a href="#rfc.xref.Part1.34">8.8</a>, <a href="#rfc.xref.Part1.38">A</a></li>
     3250                        <li><em>Section 10.3.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.23">6.8</a></li>
     3251                        <li><em>Section 12</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.37">11</a></li>
    32493252                     </ul>
    32503253                  </li>
    3251                   <li><em>Part3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part3.1">3</a>, <a href="#rfc.xref.Part3.2">3</a>, <a href="#rfc.xref.Part3.3">3</a>, <a href="#rfc.xref.Part3.4">3</a>, <a href="#rfc.xref.Part3.5">6</a>, <a href="#rfc.xref.Part3.6">7.5</a>, <a href="#rfc.xref.Part3.7">8.3.1</a>, <a href="#rfc.xref.Part3.8">8.4.7</a>, <a href="#rfc.xref.Part3.9">9.4</a>, <a href="#Part3"><b>13.1</b></a><ul>
    3252                         <li><em>Section 5</em>&nbsp;&nbsp;<a href="#rfc.xref.Part3.7">8.3.1</a></li>
    3253                         <li><em>Section 6.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part3.1">3</a></li>
    3254                         <li><em>Section 6</em>&nbsp;&nbsp;<a href="#rfc.xref.Part3.8">8.4.7</a></li>
    3255                         <li><em>Section 6.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part3.2">3</a></li>
    3256                         <li><em>Section 6.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part3.3">3</a></li>
    3257                         <li><em>Section 6.4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part3.4">3</a></li>
    3258                         <li><em>Section 6.7</em>&nbsp;&nbsp;<a href="#rfc.xref.Part3.6">7.5</a>, <a href="#rfc.xref.Part3.9">9.4</a></li>
     3254                  <li><em>Part3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part3.1">3.1</a>, <a href="#rfc.xref.Part3.2">3.1</a>, <a href="#rfc.xref.Part3.3">3.1</a>, <a href="#rfc.xref.Part3.4">3.1</a>, <a href="#rfc.xref.Part3.5">5</a>, <a href="#rfc.xref.Part3.6">6.5</a>, <a href="#rfc.xref.Part3.7">7.3.1</a>, <a href="#rfc.xref.Part3.8">7.4.7</a>, <a href="#rfc.xref.Part3.9">8.4</a>, <a href="#Part3"><b>12.1</b></a><ul>
     3255                        <li><em>Section 5</em>&nbsp;&nbsp;<a href="#rfc.xref.Part3.7">7.3.1</a></li>
     3256                        <li><em>Section 6.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part3.1">3.1</a></li>
     3257                        <li><em>Section 6</em>&nbsp;&nbsp;<a href="#rfc.xref.Part3.8">7.4.7</a></li>
     3258                        <li><em>Section 6.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part3.2">3.1</a></li>
     3259                        <li><em>Section 6.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part3.3">3.1</a></li>
     3260                        <li><em>Section 6.4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part3.4">3.1</a></li>
     3261                        <li><em>Section 6.7</em>&nbsp;&nbsp;<a href="#rfc.xref.Part3.6">6.5</a>, <a href="#rfc.xref.Part3.9">8.4</a></li>
    32593262                     </ul>
    32603263                  </li>
    3261                   <li><em>Part4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part4.1">3</a>, <a href="#rfc.xref.Part4.2">3</a>, <a href="#rfc.xref.Part4.3">3</a>, <a href="#rfc.xref.Part4.4">3</a>, <a href="#rfc.xref.Part4.5">4.1</a>, <a href="#rfc.xref.Part4.6">4.1</a>, <a href="#rfc.xref.Part4.7">4.1</a>, <a href="#rfc.xref.Part4.8">5</a>, <a href="#rfc.xref.Part4.9">8.2.2</a>, <a href="#rfc.xref.Part4.10">8.3.5</a>, <a href="#rfc.xref.Part4.11">8.4.13</a>, <a href="#Part4"><b>13.1</b></a>, <a href="#rfc.xref.Part4.12">C.2</a><ul>
    3262                         <li><em>Section 2.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part4.8">5</a>, <a href="#rfc.xref.Part4.9">8.2.2</a></li>
    3263                         <li><em>Section 3.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part4.1">3</a></li>
    3264                         <li><em>Section 3.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part4.3">3</a></li>
    3265                         <li><em>Section 3.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part4.2">3</a></li>
    3266                         <li><em>Section 3.4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part4.4">3</a></li>
    3267                         <li><em>Section 4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part4.5">4.1</a></li>
    3268                         <li><em>Section 4.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part4.6">4.1</a>, <a href="#rfc.xref.Part4.10">8.3.5</a></li>
    3269                         <li><em>Section 4.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part4.7">4.1</a>, <a href="#rfc.xref.Part4.11">8.4.13</a></li>
     3264                  <li><em>Part4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part4.1">3.1</a>, <a href="#rfc.xref.Part4.2">3.1</a>, <a href="#rfc.xref.Part4.3">3.1</a>, <a href="#rfc.xref.Part4.4">3.1</a>, <a href="#rfc.xref.Part4.5">3.2</a>, <a href="#rfc.xref.Part4.6">4.1</a>, <a href="#rfc.xref.Part4.7">4.1</a>, <a href="#rfc.xref.Part4.8">4.1</a>, <a href="#rfc.xref.Part4.9">7.2.2</a>, <a href="#rfc.xref.Part4.10">7.3.5</a>, <a href="#rfc.xref.Part4.11">7.4.13</a>, <a href="#Part4"><b>12.1</b></a>, <a href="#rfc.xref.Part4.12">C.2</a><ul>
     3265                        <li><em>Section 2.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part4.5">3.2</a>, <a href="#rfc.xref.Part4.9">7.2.2</a></li>
     3266                        <li><em>Section 3.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part4.1">3.1</a></li>
     3267                        <li><em>Section 3.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part4.3">3.1</a></li>
     3268                        <li><em>Section 3.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part4.2">3.1</a></li>
     3269                        <li><em>Section 3.4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part4.4">3.1</a></li>
     3270                        <li><em>Section 4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part4.6">4.1</a></li>
     3271                        <li><em>Section 4.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part4.7">4.1</a>, <a href="#rfc.xref.Part4.10">7.3.5</a></li>
     3272                        <li><em>Section 4.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part4.8">4.1</a>, <a href="#rfc.xref.Part4.11">7.4.13</a></li>
    32703273                     </ul>
    32713274                  </li>
    3272                   <li><em>Part5</em>&nbsp;&nbsp;<a href="#rfc.xref.Part5.1">3</a>, <a href="#rfc.xref.Part5.2">3</a>, <a href="#rfc.xref.Part5.3">4.1</a>, <a href="#rfc.xref.Part5.4">4.1</a>, <a href="#rfc.xref.Part5.5">4.1</a>, <a href="#rfc.xref.Part5.6">5</a>, <a href="#rfc.xref.Part5.7">7.3</a>, <a href="#rfc.xref.Part5.8">8.2.7</a>, <a href="#rfc.xref.Part5.9">8.4.17</a>, <a href="#rfc.xref.Part5.10">8.4.17</a>, <a href="#Part5"><b>13.1</b></a><ul>
    3273                         <li><em>Section 3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part5.3">4.1</a></li>
    3274                         <li><em>Section 3.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part5.4">4.1</a>, <a href="#rfc.xref.Part5.8">8.2.7</a></li>
    3275                         <li><em>Section 3.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part5.5">4.1</a>, <a href="#rfc.xref.Part5.10">8.4.17</a></li>
    3276                         <li><em>Section 5.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part5.6">5</a></li>
    3277                         <li><em>Section 5.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part5.1">3</a></li>
    3278                         <li><em>Section 5.4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part5.2">3</a>, <a href="#rfc.xref.Part5.7">7.3</a>, <a href="#rfc.xref.Part5.9">8.4.17</a></li>
     3275                  <li><em>Part5</em>&nbsp;&nbsp;<a href="#rfc.xref.Part5.1">3.1</a>, <a href="#rfc.xref.Part5.2">3.1</a>, <a href="#rfc.xref.Part5.3">3.2</a>, <a href="#rfc.xref.Part5.4">4.1</a>, <a href="#rfc.xref.Part5.5">4.1</a>, <a href="#rfc.xref.Part5.6">4.1</a>, <a href="#rfc.xref.Part5.7">6.3</a>, <a href="#rfc.xref.Part5.8">7.2.7</a>, <a href="#rfc.xref.Part5.9">7.4.17</a>, <a href="#rfc.xref.Part5.10">7.4.17</a>, <a href="#Part5"><b>12.1</b></a><ul>
     3276                        <li><em>Section 3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part5.4">4.1</a></li>
     3277                        <li><em>Section 3.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part5.5">4.1</a>, <a href="#rfc.xref.Part5.8">7.2.7</a></li>
     3278                        <li><em>Section 3.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part5.6">4.1</a>, <a href="#rfc.xref.Part5.10">7.4.17</a></li>
     3279                        <li><em>Section 5.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part5.3">3.2</a></li>
     3280                        <li><em>Section 5.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part5.1">3.1</a></li>
     3281                        <li><em>Section 5.4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part5.2">3.1</a>, <a href="#rfc.xref.Part5.7">6.3</a>, <a href="#rfc.xref.Part5.9">7.4.17</a></li>
    32793282                     </ul>
    32803283                  </li>
    3281                   <li><em>Part6</em>&nbsp;&nbsp;<a href="#rfc.xref.Part6.1">2.2.1</a>, <a href="#rfc.xref.Part6.2">4.2.1</a>, <a href="#rfc.xref.Part6.3">5</a>, <a href="#rfc.xref.Part6.4">5</a>, <a href="#rfc.xref.Part6.5">7.3</a>, <a href="#rfc.xref.Part6.6">7.4</a>, <a href="#rfc.xref.Part6.7">7.5</a>, <a href="#rfc.xref.Part6.8">7.6</a>, <a href="#rfc.xref.Part6.9">7.7</a>, <a href="#rfc.xref.Part6.10">8.2.1</a>, <a href="#rfc.xref.Part6.11">8.2.4</a>, <a href="#rfc.xref.Part6.12">8.2.4</a>, <a href="#rfc.xref.Part6.13">8.2.4</a>, <a href="#rfc.xref.Part6.14">8.2.7</a>, <a href="#rfc.xref.Part6.15">8.3.1</a>, <a href="#rfc.xref.Part6.16">8.3.2</a>, <a href="#rfc.xref.Part6.17">8.4.11</a>, <a href="#Part6"><b>13.1</b></a><ul>
    3282                         <li><em>Section 2.3.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part6.7">7.5</a></li>
    3283                         <li><em>Section 2.3.1.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part6.10">8.2.1</a>, <a href="#rfc.xref.Part6.13">8.2.4</a>, <a href="#rfc.xref.Part6.14">8.2.7</a>, <a href="#rfc.xref.Part6.15">8.3.1</a>, <a href="#rfc.xref.Part6.16">8.3.2</a>, <a href="#rfc.xref.Part6.17">8.4.11</a></li>
    3284                         <li><em>Section 2.5</em>&nbsp;&nbsp;<a href="#rfc.xref.Part6.8">7.6</a>, <a href="#rfc.xref.Part6.9">7.7</a></li>
    3285                         <li><em>Section 3.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part6.3">5</a></li>
    3286                         <li><em>Section 3.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part6.11">8.2.4</a></li>
    3287                         <li><em>Section 3.5</em>&nbsp;&nbsp;<a href="#rfc.xref.Part6.4">5</a></li>
    3288                         <li><em>Section 3.6</em>&nbsp;&nbsp;<a href="#rfc.xref.Part6.12">8.2.4</a></li>
     3284                  <li><em>Part6</em>&nbsp;&nbsp;<a href="#rfc.xref.Part6.1">2.2.1</a>, <a href="#rfc.xref.Part6.2">3.2</a>, <a href="#rfc.xref.Part6.3">3.2</a>, <a href="#rfc.xref.Part6.4">4.2.1</a>, <a href="#rfc.xref.Part6.5">6.3</a>, <a href="#rfc.xref.Part6.6">6.4</a>, <a href="#rfc.xref.Part6.7">6.5</a>, <a href="#rfc.xref.Part6.8">6.6</a>, <a href="#rfc.xref.Part6.9">6.7</a>, <a href="#rfc.xref.Part6.10">7.2.1</a>, <a href="#rfc.xref.Part6.11">7.2.4</a>, <a href="#rfc.xref.Part6.12">7.2.4</a>, <a href="#rfc.xref.Part6.13">7.2.4</a>, <a href="#rfc.xref.Part6.14">7.2.7</a>, <a href="#rfc.xref.Part6.15">7.3.1</a>, <a href="#rfc.xref.Part6.16">7.3.2</a>, <a href="#rfc.xref.Part6.17">7.4.11</a>, <a href="#Part6"><b>12.1</b></a><ul>
     3285                        <li><em>Section 2.3.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part6.7">6.5</a></li>
     3286                        <li><em>Section 2.3.1.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part6.10">7.2.1</a>, <a href="#rfc.xref.Part6.13">7.2.4</a>, <a href="#rfc.xref.Part6.14">7.2.7</a>, <a href="#rfc.xref.Part6.15">7.3.1</a>, <a href="#rfc.xref.Part6.16">7.3.2</a>, <a href="#rfc.xref.Part6.17">7.4.11</a></li>
     3287                        <li><em>Section 2.5</em>&nbsp;&nbsp;<a href="#rfc.xref.Part6.8">6.6</a>, <a href="#rfc.xref.Part6.9">6.7</a></li>
     3288                        <li><em>Section 3.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part6.2">3.2</a></li>
     3289                        <li><em>Section 3.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part6.11">7.2.4</a></li>
     3290                        <li><em>Section 3.5</em>&nbsp;&nbsp;<a href="#rfc.xref.Part6.3">3.2</a></li>
     3291                        <li><em>Section 3.6</em>&nbsp;&nbsp;<a href="#rfc.xref.Part6.12">7.2.4</a></li>
    32893292                     </ul>
    32903293                  </li>
    3291                   <li><em>Part7</em>&nbsp;&nbsp;<a href="#rfc.xref.Part7.1">3</a>, <a href="#rfc.xref.Part7.2">3</a>, <a href="#rfc.xref.Part7.3">4.1</a>, <a href="#rfc.xref.Part7.4">4.1</a>, <a href="#rfc.xref.Part7.5">4.1</a>, <a href="#rfc.xref.Part7.6">5</a>, <a href="#rfc.xref.Part7.7">5</a>, <a href="#rfc.xref.Part7.8">8.4.2</a>, <a href="#rfc.xref.Part7.9">8.4.8</a>, <a href="#Part7"><b>13.1</b></a><ul>
    3292                         <li><em>Section 3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part7.3">4.1</a></li>
    3293                         <li><em>Section 3.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part7.4">4.1</a>, <a href="#rfc.xref.Part7.8">8.4.2</a></li>
    3294                         <li><em>Section 3.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part7.5">4.1</a>, <a href="#rfc.xref.Part7.9">8.4.8</a></li>
    3295                         <li><em>Section 4.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part7.1">3</a></li>
    3296                         <li><em>Section 4.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part7.6">5</a></li>
    3297                         <li><em>Section 4.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part7.2">3</a></li>
    3298                         <li><em>Section 4.4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part7.7">5</a></li>
     3294                  <li><em>Part7</em>&nbsp;&nbsp;<a href="#rfc.xref.Part7.1">3.1</a>, <a href="#rfc.xref.Part7.2">3.1</a>, <a href="#rfc.xref.Part7.3">3.2</a>, <a href="#rfc.xref.Part7.4">3.2</a>, <a href="#rfc.xref.Part7.5">4.1</a>, <a href="#rfc.xref.Part7.6">4.1</a>, <a href="#rfc.xref.Part7.7">4.1</a>, <a href="#rfc.xref.Part7.8">7.4.2</a>, <a href="#rfc.xref.Part7.9">7.4.8</a>, <a href="#Part7"><b>12.1</b></a><ul>
     3295                        <li><em>Section 3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part7.5">4.1</a></li>
     3296                        <li><em>Section 3.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part7.6">4.1</a>, <a href="#rfc.xref.Part7.8">7.4.2</a></li>
     3297                        <li><em>Section 3.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part7.7">4.1</a>, <a href="#rfc.xref.Part7.9">7.4.8</a></li>
     3298                        <li><em>Section 4.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part7.1">3.1</a></li>
     3299                        <li><em>Section 4.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part7.3">3.2</a></li>
     3300                        <li><em>Section 4.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part7.2">3.1</a></li>
     3301                        <li><em>Section 4.4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part7.4">3.2</a></li>
    32993302                     </ul>
    33003303                  </li>
    3301                   <li>POST method&nbsp;&nbsp;<a href="#rfc.xref.POST.1">2.1</a>, <a href="#rfc.iref.p.1"><b>7.5</b></a>, <a href="#rfc.xref.POST.2">10.1</a>, <a href="#rfc.xref.POST.3">A</a></li>
    3302                   <li>PUT method&nbsp;&nbsp;<a href="#rfc.xref.PUT.1">2.1</a>, <a href="#rfc.iref.p.2"><b>7.6</b></a>, <a href="#rfc.xref.PUT.2">10.1</a>, <a href="#rfc.xref.PUT.3">A</a></li>
     3304                  <li>POST method&nbsp;&nbsp;<a href="#rfc.xref.POST.1">2.1</a>, <a href="#rfc.iref.p.1"><b>6.5</b></a>, <a href="#rfc.xref.POST.2">9.1</a>, <a href="#rfc.xref.POST.3">A</a></li>
     3305                  <li>PUT method&nbsp;&nbsp;<a href="#rfc.xref.PUT.1">2.1</a>, <a href="#rfc.iref.p.2"><b>6.6</b></a>, <a href="#rfc.xref.PUT.2">9.1</a>, <a href="#rfc.xref.PUT.3">A</a></li>
    33033306               </ul>
    33043307            </li>
    33053308            <li><a id="rfc.index.R" href="#rfc.index.R"><b>R</b></a><ul>
    3306                   <li>Referer header field&nbsp;&nbsp;<a href="#rfc.xref.header.referer.1">3</a>, <a href="#rfc.iref.r.1"><b>9.6</b></a>, <a href="#rfc.xref.header.referer.2">10.3</a>, <a href="#rfc.xref.header.referer.3">A</a></li>
    3307                   <li>Retry-After header field&nbsp;&nbsp;<a href="#rfc.xref.header.retry-after.1">5</a>, <a href="#rfc.xref.header.retry-after.2">8.5.4</a>, <a href="#rfc.iref.r.2"><b>9.7</b></a>, <a href="#rfc.xref.header.retry-after.3">10.3</a></li>
    3308                   <li><em>RFC1945</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC1945.1">8.3.3</a>, <a href="#RFC1945"><b>13.2</b></a><ul>
    3309                         <li><em>Section 9.3</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC1945.1">8.3.3</a></li>
     3309                  <li>Referer header field&nbsp;&nbsp;<a href="#rfc.xref.header.referer.1">3.1</a>, <a href="#rfc.iref.r.1"><b>8.6</b></a>, <a href="#rfc.xref.header.referer.2">9.3</a>, <a href="#rfc.xref.header.referer.3">A</a></li>
     3310                  <li>Retry-After header field&nbsp;&nbsp;<a href="#rfc.xref.header.retry-after.1">3.2</a>, <a href="#rfc.xref.header.retry-after.2">7.5.4</a>, <a href="#rfc.iref.r.2"><b>8.7</b></a>, <a href="#rfc.xref.header.retry-after.3">9.3</a></li>
     3311                  <li><em>RFC1945</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC1945.1">7.3.3</a>, <a href="#RFC1945"><b>12.2</b></a><ul>
     3312                        <li><em>Section 9.3</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC1945.1">7.3.3</a></li>
    33103313                     </ul>
    33113314                  </li>
    3312                   <li><em>RFC2068</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2068.1">8.3</a>, <a href="#rfc.xref.RFC2068.2">8.3.3</a>, <a href="#RFC2068"><b>13.2</b></a><ul>
    3313                         <li><em>Section 10.3</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2068.1">8.3</a></li>
    3314                         <li><em>Section 10.3.3</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2068.2">8.3.3</a></li>
     3315                  <li><em>RFC2068</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2068.1">7.3</a>, <a href="#rfc.xref.RFC2068.2">7.3.3</a>, <a href="#RFC2068"><b>12.2</b></a><ul>
     3316                        <li><em>Section 10.3</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2068.1">7.3</a></li>
     3317                        <li><em>Section 10.3.3</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2068.2">7.3.3</a></li>
    33153318                     </ul>
    33163319                  </li>
    3317                   <li><em>RFC2119</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2119.1">1.1</a>, <a href="#RFC2119"><b>13.1</b></a></li>
    3318                   <li><em>RFC2616</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2616.1">1</a>, <a href="#rfc.xref.RFC2616.2">8.3.3</a>, <a href="#RFC2616"><b>13.2</b></a>, <a href="#rfc.xref.RFC2616.3">C.1</a><ul>
    3319                         <li><em>Section 10.3.3</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2616.2">8.3.3</a></li>
     3320                  <li><em>RFC2119</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2119.1">1.1</a>, <a href="#RFC2119"><b>12.1</b></a></li>
     3321                  <li><em>RFC2616</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2616.1">1</a>, <a href="#rfc.xref.RFC2616.2">7.3.3</a>, <a href="#RFC2616"><b>12.2</b></a>, <a href="#rfc.xref.RFC2616.3">C.1</a><ul>
     3322                        <li><em>Section 10.3.3</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2616.2">7.3.3</a></li>
    33203323                     </ul>
    33213324                  </li>
    3322                   <li><em>RFC2817</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2817.1">10.2</a>, <a href="#RFC2817"><b>13.2</b></a>, <a href="#rfc.xref.RFC2817.2">A</a>, <a href="#rfc.xref.RFC2817.3">A</a>, <a href="#rfc.xref.RFC2817.4">A</a><ul>
    3323                         <li><em>Section 7.1</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2817.1">10.2</a>, <a href="#rfc.xref.RFC2817.2">A</a></li>
     3325                  <li><em>RFC2817</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2817.1">9.2</a>, <a href="#RFC2817"><b>12.2</b></a>, <a href="#rfc.xref.RFC2817.2">A</a>, <a href="#rfc.xref.RFC2817.3">A</a>, <a href="#rfc.xref.RFC2817.4">A</a><ul>
     3326                        <li><em>Section 7.1</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2817.1">9.2</a>, <a href="#rfc.xref.RFC2817.2">A</a></li>
    33243327                     </ul>
    33253328                  </li>
    3326                   <li><em>RFC3864</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC3864.1">10.3</a>, <a href="#RFC3864"><b>13.2</b></a></li>
    3327                   <li><em>RFC3986</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC3986.1">9.4</a>, <a href="#rfc.xref.RFC3986.2">9.4</a>, <a href="#RFC3986"><b>13.1</b></a><ul>
    3328                         <li><em>Section 4.2</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC3986.1">9.4</a></li>
    3329                         <li><em>Section 5</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC3986.2">9.4</a></li>
     3329                  <li><em>RFC3864</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC3864.1">9.3</a>, <a href="#RFC3864"><b>12.2</b></a></li>
     3330                  <li><em>RFC3986</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC3986.1">8.4</a>, <a href="#rfc.xref.RFC3986.2">8.4</a>, <a href="#RFC3986"><b>12.1</b></a><ul>
     3331                        <li><em>Section 4.2</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC3986.1">8.4</a></li>
     3332                        <li><em>Section 5</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC3986.2">8.4</a></li>
    33303333                     </ul>
    33313334                  </li>
    3332                   <li><em>RFC5226</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC5226.1">2.2</a>, <a href="#rfc.xref.RFC5226.2">4.2</a>, <a href="#RFC5226"><b>13.2</b></a><ul>
     3335                  <li><em>RFC5226</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC5226.1">2.2</a>, <a href="#rfc.xref.RFC5226.2">4.2</a>, <a href="#RFC5226"><b>12.2</b></a><ul>
    33333336                        <li><em>Section 4.1</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC5226.1">2.2</a>, <a href="#rfc.xref.RFC5226.2">4.2</a></li>
    33343337                     </ul>
    33353338                  </li>
    3336                   <li><em>RFC5234</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC5234.1">1.2</a>, <a href="#rfc.xref.RFC5234.2">1.2</a>, <a href="#RFC5234"><b>13.1</b></a><ul>
     3339                  <li><em>RFC5234</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC5234.1">1.2</a>, <a href="#rfc.xref.RFC5234.2">1.2</a>, <a href="#RFC5234"><b>12.1</b></a><ul>
    33373340                        <li><em>Appendix B.1</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC5234.2">1.2</a></li>
    33383341                     </ul>
    33393342                  </li>
    3340                   <li><em>RFC5322</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC5322.1">9.3</a>, <a href="#rfc.xref.RFC5322.2">9.3</a>, <a href="#RFC5322"><b>13.2</b></a><ul>
    3341                         <li><em>Section 3.4</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC5322.1">9.3</a>, <a href="#rfc.xref.RFC5322.2">9.3</a></li>
     3343                  <li><em>RFC5322</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC5322.1">8.3</a>, <a href="#rfc.xref.RFC5322.2">8.3</a>, <a href="#RFC5322"><b>12.2</b></a><ul>
     3344                        <li><em>Section 3.4</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC5322.1">8.3</a>, <a href="#rfc.xref.RFC5322.2">8.3</a></li>
    33423345                     </ul>
    33433346                  </li>
    3344                   <li><em>RFC5789</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC5789.1">7.6</a>, <a href="#RFC5789"><b>13.2</b></a></li>
     3347                  <li><em>RFC5789</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC5789.1">6.6</a>, <a href="#RFC5789"><b>12.2</b></a></li>
    33453348               </ul>
    33463349            </li>
    33473350            <li><a id="rfc.index.S" href="#rfc.index.S"><b>S</b></a><ul>
    3348                   <li>Safe Methods&nbsp;&nbsp;<a href="#rfc.iref.s.1"><b>7.1.1</b></a></li>
    3349                   <li>Server header field&nbsp;&nbsp;<a href="#rfc.xref.header.server.1">5</a>, <a href="#rfc.iref.s.44"><b>9.8</b></a>, <a href="#rfc.xref.header.server.2">10.3</a>, <a href="#rfc.xref.header.server.3">11.1</a>, <a href="#rfc.xref.header.server.4">A</a></li>
     3351                  <li>Safe Methods&nbsp;&nbsp;<a href="#rfc.iref.s.1"><b>6.1.1</b></a></li>
     3352                  <li>Server header field&nbsp;&nbsp;<a href="#rfc.xref.header.server.1">3.2</a>, <a href="#rfc.iref.s.44"><b>8.8</b></a>, <a href="#rfc.xref.header.server.2">9.3</a>, <a href="#rfc.xref.header.server.3">10.1</a>, <a href="#rfc.xref.header.server.4">A</a></li>
    33503353                  <li>Status Codes&nbsp;&nbsp;
    33513354                     <ul>
    3352                         <li>100 Continue&nbsp;&nbsp;<a href="#rfc.xref.status.100.1">4.1</a>, <a href="#rfc.iref.s.2"><b>8.1.1</b></a>, <a href="#rfc.xref.status.100.2">10.2</a></li>
    3353                         <li>101 Switching Protocols&nbsp;&nbsp;<a href="#rfc.xref.status.101.1">4.1</a>, <a href="#rfc.iref.s.3"><b>8.1.2</b></a>, <a href="#rfc.xref.status.101.2">10.2</a></li>
    3354                         <li>200 OK&nbsp;&nbsp;<a href="#rfc.xref.status.200.1">4.1</a>, <a href="#rfc.iref.s.4"><b>8.2.1</b></a>, <a href="#rfc.xref.status.200.2">10.2</a></li>
    3355                         <li>201 Created&nbsp;&nbsp;<a href="#rfc.xref.status.201.1">4.1</a>, <a href="#rfc.iref.s.5"><b>8.2.2</b></a>, <a href="#rfc.xref.status.201.2">10.2</a></li>
    3356                         <li>202 Accepted&nbsp;&nbsp;<a href="#rfc.xref.status.202.1">4.1</a>, <a href="#rfc.iref.s.6"><b>8.2.3</b></a>, <a href="#rfc.xref.status.202.2">10.2</a></li>
    3357                         <li>203 Non-Authoritative Information&nbsp;&nbsp;<a href="#rfc.xref.status.203.1">4.1</a>, <a href="#rfc.iref.s.7"><b>8.2.4</b></a>, <a href="#rfc.xref.status.203.2">10.2</a>, <a href="#rfc.xref.status.203.3">A</a></li>
    3358                         <li>204 No Content&nbsp;&nbsp;<a href="#rfc.xref.status.204.1">4.1</a>, <a href="#rfc.iref.s.8"><b>8.2.5</b></a>, <a href="#rfc.xref.status.204.2">10.2</a></li>
    3359                         <li>205 Reset Content&nbsp;&nbsp;<a href="#rfc.xref.status.205.1">4.1</a>, <a href="#rfc.iref.s.9"><b>8.2.6</b></a>, <a href="#rfc.xref.status.205.2">10.2</a></li>
    3360                         <li>206 Partial Content&nbsp;&nbsp;<a href="#rfc.iref.s.10"><b>8.2.7</b></a></li>
    3361                         <li>300 Multiple Choices&nbsp;&nbsp;<a href="#rfc.xref.status.300.1">4.1</a>, <a href="#rfc.iref.s.11"><b>8.3.1</b></a>, <a href="#rfc.xref.status.300.2">10.2</a></li>
    3362                         <li>301 Moved Permanently&nbsp;&nbsp;<a href="#rfc.xref.status.301.1">4.1</a>, <a href="#rfc.iref.s.12"><b>8.3.2</b></a>, <a href="#rfc.xref.status.301.2">10.2</a>, <a href="#rfc.xref.status.301.3">A</a></li>
    3363                         <li>302 Found&nbsp;&nbsp;<a href="#rfc.xref.status.302.1">4.1</a>, <a href="#rfc.iref.s.13"><b>8.3.3</b></a>, <a href="#rfc.xref.status.302.2">10.2</a>, <a href="#rfc.xref.status.302.3">A</a></li>
    3364                         <li>303 See Other&nbsp;&nbsp;<a href="#rfc.xref.status.303.1">4.1</a>, <a href="#rfc.xref.status.303.2">8.3.3</a>, <a href="#rfc.iref.s.14"><b>8.3.4</b></a>, <a href="#rfc.xref.status.303.3">10.2</a></li>
    3365                         <li>304 Not Modified&nbsp;&nbsp;<a href="#rfc.iref.s.15"><b>8.3.5</b></a></li>
    3366                         <li>305 Use Proxy&nbsp;&nbsp;<a href="#rfc.xref.status.305.1">4.1</a>, <a href="#rfc.iref.s.16"><b>8.3.6</b></a>, <a href="#rfc.xref.status.305.2">10.2</a>, <a href="#rfc.xref.status.305.3">A</a></li>
    3367                         <li>306 (Unused)&nbsp;&nbsp;<a href="#rfc.iref.s.17"><b>8.3.7</b></a>, <a href="#rfc.xref.status.306.1">10.2</a></li>
    3368                         <li>307 Temporary Redirect&nbsp;&nbsp;<a href="#rfc.xref.status.307.1">4.1</a>, <a href="#rfc.xref.status.307.2">8.3.3</a>, <a href="#rfc.iref.s.18"><b>8.3.8</b></a>, <a href="#rfc.xref.status.307.3">10.2</a>, <a href="#rfc.xref.status.307.4">A</a></li>
    3369                         <li>400 Bad Request&nbsp;&nbsp;<a href="#rfc.xref.status.400.1">4.1</a>, <a href="#rfc.iref.s.19"><b>8.4.1</b></a>, <a href="#rfc.xref.status.400.2">10.2</a></li>
    3370                         <li>401 Unauthorized&nbsp;&nbsp;<a href="#rfc.iref.s.20"><b>8.4.2</b></a></li>
    3371                         <li>402 Payment Required&nbsp;&nbsp;<a href="#rfc.xref.status.402.1">4.1</a>, <a href="#rfc.iref.s.21"><b>8.4.3</b></a>, <a href="#rfc.xref.status.402.2">10.2</a></li>
    3372                         <li>403 Forbidden&nbsp;&nbsp;<a href="#rfc.xref.status.403.1">4.1</a>, <a href="#rfc.iref.s.22"><b>8.4.4</b></a>, <a href="#rfc.xref.status.403.2">10.2</a></li>
    3373                         <li>404 Not Found&nbsp;&nbsp;<a href="#rfc.xref.status.404.1">4.1</a>, <a href="#rfc.iref.s.23"><b>8.4.5</b></a>, <a href="#rfc.xref.status.404.2">10.2</a></li>
    3374                         <li>405 Method Not Allowed&nbsp;&nbsp;<a href="#rfc.xref.status.405.1">4.1</a>, <a href="#rfc.iref.s.24"><b>8.4.6</b></a>, <a href="#rfc.xref.status.405.2">10.2</a></li>
    3375                         <li>406 Not Acceptable&nbsp;&nbsp;<a href="#rfc.xref.status.406.1">4.1</a>, <a href="#rfc.iref.s.25"><b>8.4.7</b></a>, <a href="#rfc.xref.status.406.2">10.2</a></li>
    3376                         <li>407 Proxy Authentication Required&nbsp;&nbsp;<a href="#rfc.iref.s.26"><b>8.4.8</b></a>, <a href="#rfc.xref.status.407.1">10.2</a></li>
    3377                         <li>408 Request Timeout&nbsp;&nbsp;<a href="#rfc.xref.status.408.1">4.1</a>, <a href="#rfc.iref.s.27"><b>8.4.9</b></a>, <a href="#rfc.xref.status.408.2">10.2</a></li>
    3378                         <li>409 Conflict&nbsp;&nbsp;<a href="#rfc.xref.status.409.1">4.1</a>, <a href="#rfc.iref.s.28"><b>8.4.10</b></a>, <a href="#rfc.xref.status.409.2">10.2</a></li>
    3379                         <li>410 Gone&nbsp;&nbsp;<a href="#rfc.xref.status.410.1">4.1</a>, <a href="#rfc.iref.s.29"><b>8.4.11</b></a>, <a href="#rfc.xref.status.410.2">10.2</a></li>
    3380                         <li>411 Length Required&nbsp;&nbsp;<a href="#rfc.xref.status.411.1">4.1</a>, <a href="#rfc.iref.s.30"><b>8.4.12</b></a>, <a href="#rfc.xref.status.411.2">10.2</a></li>
    3381                         <li>412 Precondition Failed&nbsp;&nbsp;<a href="#rfc.iref.s.31"><b>8.4.13</b></a></li>
    3382                         <li>413 Request Representation Too Large&nbsp;&nbsp;<a href="#rfc.xref.status.413.1">4.1</a>, <a href="#rfc.iref.s.32"><b>8.4.14</b></a>, <a href="#rfc.xref.status.413.2">10.2</a></li>
    3383                         <li>414 URI Too Long&nbsp;&nbsp;<a href="#rfc.xref.status.414.1">4.1</a>, <a href="#rfc.iref.s.33"><b>8.4.15</b></a>, <a href="#rfc.xref.status.414.2">10.2</a></li>
    3384                         <li>415 Unsupported Media Type&nbsp;&nbsp;<a href="#rfc.xref.status.415.1">4.1</a>, <a href="#rfc.iref.s.34"><b>8.4.16</b></a>, <a href="#rfc.xref.status.415.2">10.2</a></li>
    3385                         <li>416 Requested Range Not Satisfiable&nbsp;&nbsp;<a href="#rfc.iref.s.35"><b>8.4.17</b></a></li>
    3386                         <li>417 Expectation Failed&nbsp;&nbsp;<a href="#rfc.xref.status.417.1">4.1</a>, <a href="#rfc.iref.s.36"><b>8.4.18</b></a>, <a href="#rfc.xref.status.417.2">10.2</a></li>
    3387                         <li>426 Upgrade Required&nbsp;&nbsp;<a href="#rfc.xref.status.426.1">4.1</a>, <a href="#rfc.iref.s.37"><b>8.4.19</b></a>, <a href="#rfc.xref.status.426.2">10.2</a>, <a href="#rfc.xref.status.426.3">A</a></li>
    3388                         <li>500 Internal Server Error&nbsp;&nbsp;<a href="#rfc.xref.status.500.1">4.1</a>, <a href="#rfc.iref.s.38"><b>8.5.1</b></a>, <a href="#rfc.xref.status.500.2">10.2</a></li>
    3389                         <li>501 Not Implemented&nbsp;&nbsp;<a href="#rfc.xref.status.501.1">4.1</a>, <a href="#rfc.iref.s.39"><b>8.5.2</b></a>, <a href="#rfc.xref.status.501.2">10.2</a></li>
    3390                         <li>502 Bad Gateway&nbsp;&nbsp;<a href="#rfc.xref.status.502.1">4.1</a>, <a href="#rfc.iref.s.40"><b>8.5.3</b></a>, <a href="#rfc.xref.status.502.2">10.2</a></li>
    3391                         <li>503 Service Unavailable&nbsp;&nbsp;<a href="#rfc.xref.status.503.1">4.1</a>, <a href="#rfc.iref.s.41"><b>8.5.4</b></a>, <a href="#rfc.xref.status.503.2">10.2</a></li>
    3392                         <li>504 Gateway Timeout&nbsp;&nbsp;<a href="#rfc.xref.status.504.1">4.1</a>, <a href="#rfc.iref.s.42"><b>8.5.5</b></a>, <a href="#rfc.xref.status.504.2">10.2</a></li>
    3393                         <li>505 HTTP Version Not Supported&nbsp;&nbsp;<a href="#rfc.xref.status.505.1">4.1</a>, <a href="#rfc.iref.s.43"><b>8.5.6</b></a>, <a href="#rfc.xref.status.505.2">10.2</a></li>
     3355                        <li>100 Continue&nbsp;&nbsp;<a href="#rfc.xref.status.100.1">4.1</a>, <a href="#rfc.iref.s.2"><b>7.1.1</b></a>, <a href="#rfc.xref.status.100.2">9.2</a></li>
     3356                        <li>101 Switching Protocols&nbsp;&nbsp;<a href="#rfc.xref.status.101.1">4.1</a>, <a href="#rfc.iref.s.3"><b>7.1.2</b></a>, <a href="#rfc.xref.status.101.2">9.2</a></li>
     3357                        <li>200 OK&nbsp;&nbsp;<a href="#rfc.xref.status.200.1">4.1</a>, <a href="#rfc.iref.s.4"><b>7.2.1</b></a>, <a href="#rfc.xref.status.200.2">9.2</a></li>
     3358                        <li>201 Created&nbsp;&nbsp;<a href="#rfc.xref.status.201.1">4.1</a>, <a href="#rfc.iref.s.5"><b>7.2.2</b></a>, <a href="#rfc.xref.status.201.2">9.2</a></li>
     3359                        <li>202 Accepted&nbsp;&nbsp;<a href="#rfc.xref.status.202.1">4.1</a>, <a href="#rfc.iref.s.6"><b>7.2.3</b></a>, <a href="#rfc.xref.status.202.2">9.2</a></li>
     3360                        <li>203 Non-Authoritative Information&nbsp;&nbsp;<a href="#rfc.xref.status.203.1">4.1</a>, <a href="#rfc.iref.s.7"><b>7.2.4</b></a>, <a href="#rfc.xref.status.203.2">9.2</a>, <a href="#rfc.xref.status.203.3">A</a></li>
     3361                        <li>204 No Content&nbsp;&nbsp;<a href="#rfc.xref.status.204.1">4.1</a>, <a href="#rfc.iref.s.8"><b>7.2.5</b></a>, <a href="#rfc.xref.status.204.2">9.2</a></li>
     3362                        <li>205 Reset Content&nbsp;&nbsp;<a href="#rfc.xref.status.205.1">4.1</a>, <a href="#rfc.iref.s.9"><b>7.2.6</b></a>, <a href="#rfc.xref.status.205.2">9.2</a></li>
     3363                        <li>206 Partial Content&nbsp;&nbsp;<a href="#rfc.iref.s.10"><b>7.2.7</b></a></li>
     3364                        <li>300 Multiple Choices&nbsp;&nbsp;<a href="#rfc.xref.status.300.1">4.1</a>, <a href="#rfc.iref.s.11"><b>7.3.1</b></a>, <a href="#rfc.xref.status.300.2">9.2</a></li>
     3365                        <li>301 Moved Permanently&nbsp;&nbsp;<a href="#rfc.xref.status.301.1">4.1</a>, <a href="#rfc.iref.s.12"><b>7.3.2</b></a>, <a href="#rfc.xref.status.301.2">9.2</a>, <a href="#rfc.xref.status.301.3">A</a></li>
     3366                        <li>302 Found&nbsp;&nbsp;<a href="#rfc.xref.status.302.1">4.1</a>, <a href="#rfc.iref.s.13"><b>7.3.3</b></a>, <a href="#rfc.xref.status.302.2">9.2</a>, <a href="#rfc.xref.status.302.3">A</a></li>
     3367                        <li>303 See Other&nbsp;&nbsp;<a href="#rfc.xref.status.303.1">4.1</a>, <a href="#rfc.xref.status.303.2">7.3.3</a>, <a href="#rfc.iref.s.14"><b>7.3.4</b></a>, <a href="#rfc.xref.status.303.3">9.2</a></li>
     3368                        <li>304 Not Modified&nbsp;&nbsp;<a href="#rfc.iref.s.15"><b>7.3.5</b></a></li>
     3369                        <li>305 Use Proxy&nbsp;&nbsp;<a href="#rfc.xref.status.305.1">4.1</a>, <a href="#rfc.iref.s.16"><b>7.3.6</b></a>, <a href="#rfc.xref.status.305.2">9.2</a>, <a href="#rfc.xref.status.305.3">A</a></li>
     3370                        <li>306 (Unused)&nbsp;&nbsp;<a href="#rfc.iref.s.17"><b>7.3.7</b></a>, <a href="#rfc.xref.status.306.1">9.2</a></li>
     3371                        <li>307 Temporary Redirect&nbsp;&nbsp;<a href="#rfc.xref.status.307.1">4.1</a>, <a href="#rfc.xref.status.307.2">7.3.3</a>, <a href="#rfc.iref.s.18"><b>7.3.8</b></a>, <a href="#rfc.xref.status.307.3">9.2</a>, <a href="#rfc.xref.status.307.4">A</a></li>
     3372                        <li>400 Bad Request&nbsp;&nbsp;<a href="#rfc.xref.status.400.1">4.1</a>, <a href="#rfc.iref.s.19"><b>7.4.1</b></a>, <a href="#rfc.xref.status.400.2">9.2</a></li>
     3373                        <li>401 Unauthorized&nbsp;&nbsp;<a href="#rfc.iref.s.20"><b>7.4.2</b></a></li>
     3374                        <li>402 Payment Required&nbsp;&nbsp;<a href="#rfc.xref.status.402.1">4.1</a>, <a href="#rfc.iref.s.21"><b>7.4.3</b></a>, <a href="#rfc.xref.status.402.2">9.2</a></li>
     3375                        <li>403 Forbidden&nbsp;&nbsp;<a href="#rfc.xref.status.403.1">4.1</a>, <a href="#rfc.iref.s.22"><b>7.4.4</b></a>, <a href="#rfc.xref.status.403.2">9.2</a></li>
     3376                        <li>404 Not Found&nbsp;&nbsp;<a href="#rfc.xref.status.404.1">4.1</a>, <a href="#rfc.iref.s.23"><b>7.4.5</b></a>, <a href="#rfc.xref.status.404.2">9.2</a></li>
     3377                        <li>405 Method Not Allowed&nbsp;&nbsp;<a href="#rfc.xref.status.405.1">4.1</a>, <a href="#rfc.iref.s.24"><b>7.4.6</b></a>, <a href="#rfc.xref.status.405.2">9.2</a></li>
     3378                        <li>406 Not Acceptable&nbsp;&nbsp;<a href="#rfc.xref.status.406.1">4.1</a>, <a href="#rfc.iref.s.25"><b>7.4.7</b></a>, <a href="#rfc.xref.status.406.2">9.2</a></li>
     3379                        <li>407 Proxy Authentication Required&nbsp;&nbsp;<a href="#rfc.iref.s.26"><b>7.4.8</b></a>, <a href="#rfc.xref.status.407.1">9.2</a></li>
     3380                        <li>408 Request Timeout&nbsp;&nbsp;<a href="#rfc.xref.status.408.1">4.1</a>, <a href="#rfc.iref.s.27"><b>7.4.9</b></a>, <a href="#rfc.xref.status.408.2">9.2</a></li>
     3381                        <li>409 Conflict&nbsp;&nbsp;<a href="#rfc.xref.status.409.1">4.1</a>, <a href="#rfc.iref.s.28"><b>7.4.10</b></a>, <a href="#rfc.xref.status.409.2">9.2</a></li>
     3382                        <li>410 Gone&nbsp;&nbsp;<a href="#rfc.xref.status.410.1">4.1</a>, <a href="#rfc.iref.s.29"><b>7.4.11</b></a>, <a href="#rfc.xref.status.410.2">9.2</a></li>
     3383                        <li>411 Length Required&nbsp;&nbsp;<a href="#rfc.xref.status.411.1">4.1</a>, <a href="#rfc.iref.s.30"><b>7.4.12</b></a>, <a href="#rfc.xref.status.411.2">9.2</a></li>
     3384                        <li>412 Precondition Failed&nbsp;&nbsp;<a href="#rfc.iref.s.31"><b>7.4.13</b></a></li>
     3385                        <li>413 Request Representation Too Large&nbsp;&nbsp;<a href="#rfc.xref.status.413.1">4.1</a>, <a href="#rfc.iref.s.32"><b>7.4.14</b></a>, <a href="#rfc.xref.status.413.2">9.2</a></li>
     3386                        <li>414 URI Too Long&nbsp;&nbsp;<a href="#rfc.xref.status.414.1">4.1</a>, <a href="#rfc.iref.s.33"><b>7.4.15</b></a>, <a href="#rfc.xref.status.414.2">9.2</a></li>
     3387                        <li>415 Unsupported Media Type&nbsp;&nbsp;<a href="#rfc.xref.status.415.1">4.1</a>, <a href="#rfc.iref.s.34"><b>7.4.16</b></a>, <a href="#rfc.xref.status.415.2">9.2</a></li>
     3388                        <li>416 Requested Range Not Satisfiable&nbsp;&nbsp;<a href="#rfc.iref.s.35"><b>7.4.17</b></a></li>
     3389                        <li>417 Expectation Failed&nbsp;&nbsp;<a href="#rfc.xref.status.417.1">4.1</a>, <a href="#rfc.iref.s.36"><b>7.4.18</b></a>, <a href="#rfc.xref.status.417.2">9.2</a></li>
     3390                        <li>426 Upgrade Required&nbsp;&nbsp;<a href="#rfc.xref.status.426.1">4.1</a>, <a href="#rfc.iref.s.37"><b>7.4.19</b></a>, <a href="#rfc.xref.status.426.2">9.2</a>, <a href="#rfc.xref.status.426.3">A</a></li>
     3391                        <li>500 Internal Server Error&nbsp;&nbsp;<a href="#rfc.xref.status.500.1">4.1</a>, <a href="#rfc.iref.s.38"><b>7.5.1</b></a>, <a href="#rfc.xref.status.500.2">9.2</a></li>
     3392                        <li>501 Not Implemented&nbsp;&nbsp;<a href="#rfc.xref.status.501.1">4.1</a>, <a href="#rfc.iref.s.39"><b>7.5.2</b></a>, <a href="#rfc.xref.status.501.2">9.2</a></li>
     3393                        <li>502 Bad Gateway&nbsp;&nbsp;<a href="#rfc.xref.status.502.1">4.1</a>, <a href="#rfc.iref.s.40"><b>7.5.3</b></a>, <a href="#rfc.xref.status.502.2">9.2</a></li>
     3394                        <li>503 Service Unavailable&nbsp;&nbsp;<a href="#rfc.xref.status.503.1">4.1</a>, <a href="#rfc.iref.s.41"><b>7.5.4</b></a>, <a href="#rfc.xref.status.503.2">9.2</a></li>
     3395                        <li>504 Gateway Timeout&nbsp;&nbsp;<a href="#rfc.xref.status.504.1">4.1</a>, <a href="#rfc.iref.s.42"><b>7.5.5</b></a>, <a href="#rfc.xref.status.504.2">9.2</a></li>
     3396                        <li>505 HTTP Version Not Supported&nbsp;&nbsp;<a href="#rfc.xref.status.505.1">4.1</a>, <a href="#rfc.iref.s.43"><b>7.5.6</b></a>, <a href="#rfc.xref.status.505.2">9.2</a></li>
    33943397                     </ul>
    33953398                  </li>
    … …  
    33973400            </li>
    33983401            <li><a id="rfc.index.T" href="#rfc.index.T"><b>T</b></a><ul>
    3399                   <li>TRACE method&nbsp;&nbsp;<a href="#rfc.xref.TRACE.1">2.1</a>, <a href="#rfc.iref.t.1"><b>7.8</b></a>, <a href="#rfc.xref.TRACE.2">9.5</a>, <a href="#rfc.xref.TRACE.3">10.1</a>, <a href="#rfc.xref.TRACE.4">11.1</a></li>
     3402                  <li>TRACE method&nbsp;&nbsp;<a href="#rfc.xref.TRACE.1">2.1</a>, <a href="#rfc.iref.t.1"><b>6.8</b></a>, <a href="#rfc.xref.TRACE.2">8.5</a>, <a href="#rfc.xref.TRACE.3">9.1</a>, <a href="#rfc.xref.TRACE.4">10.1</a></li>
    34003403               </ul>
    34013404            </li>
    34023405            <li><a id="rfc.index.U" href="#rfc.index.U"><b>U</b></a><ul>
    3403                   <li>User-Agent header field&nbsp;&nbsp;<a href="#rfc.xref.header.user-agent.1">3</a>, <a href="#rfc.iref.u.1"><b>9.9</b></a>, <a href="#rfc.xref.header.user-agent.2">10.3</a>, <a href="#rfc.xref.header.user-agent.3">11.1</a></li>
     3406                  <li>User-Agent header field&nbsp;&nbsp;<a href="#rfc.xref.header.user-agent.1">3.1</a>, <a href="#rfc.iref.u.1"><b>8.9</b></a>, <a href="#rfc.xref.header.user-agent.2">9.3</a>, <a href="#rfc.xref.header.user-agent.3">10.1</a></li>
    34043407               </ul>
    34053408            </li>
Note: See TracChangeset for help on using the changeset viewer.