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Timestamp:
Mar 30, 2012, 7:44:42 AM (8 years ago)
Author:
julian.reschke@…
Message:

Step 3 of p2/p3-merge (see #351)

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1 edited

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

    r1640 r1641  
    589589      <ul class="toc">
    590590         <li>1.&nbsp;&nbsp;&nbsp;<a href="#introduction">Introduction</a><ul>
    591                <li>1.1&nbsp;&nbsp;&nbsp;<a href="#intro.conformance.and.error.handling">Conformance and Error Handling</a></li>
    592                <li>1.2&nbsp;&nbsp;&nbsp;<a href="#notation">Syntax Notation</a><ul>
    593                      <li>1.2.1&nbsp;&nbsp;&nbsp;<a href="#core.rules">Core Rules</a></li>
    594                      <li>1.2.2&nbsp;&nbsp;&nbsp;<a href="#abnf.dependencies">ABNF Rules defined in other Parts of the Specification</a></li>
     591               <li>1.1&nbsp;&nbsp;&nbsp;<a href="#terminology">Terminology</a></li>
     592               <li>1.2&nbsp;&nbsp;&nbsp;<a href="#intro.conformance.and.error.handling">Conformance and Error Handling</a></li>
     593               <li>1.3&nbsp;&nbsp;&nbsp;<a href="#notation">Syntax Notation</a><ul>
     594                     <li>1.3.1&nbsp;&nbsp;&nbsp;<a href="#core.rules">Core Rules</a></li>
     595                     <li>1.3.2&nbsp;&nbsp;&nbsp;<a href="#abnf.dependencies">ABNF Rules defined in other Parts of the Specification</a></li>
    595596                  </ul>
    596597               </li>
     
    771772         reflects how widely dispersed these topics and associated requirements had become in <a href="#RFC2616" id="rfc.xref.RFC2616.1"><cite title="Hypertext Transfer Protocol -- HTTP/1.1">[RFC2616]</cite></a>.
    772773      </p>
    773       <h2 id="rfc.section.1.1"><a href="#rfc.section.1.1">1.1</a>&nbsp;<a id="intro.conformance.and.error.handling" href="#intro.conformance.and.error.handling">Conformance and Error Handling</a></h2>
    774       <p id="rfc.section.1.1.p.1">The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL"
     774      <h2 id="rfc.section.1.1"><a href="#rfc.section.1.1">1.1</a>&nbsp;<a id="terminology" href="#terminology">Terminology</a></h2>
     775      <p id="rfc.section.1.1.p.1">This specification uses a number of terms to refer to the roles played by participants in, and objects of, the HTTP communication.</p>
     776      <p id="rfc.section.1.1.p.2"> <span id="rfc.iref.c.1"></span>  <dfn>content negotiation</dfn> 
     777      </p>
     778      <ul class="empty">
     779         <li>The mechanism for selecting the appropriate representation when servicing a request. The representation in any response can
     780            be negotiated (including error responses).
     781         </li>
     782      </ul>
     783      <p id="rfc.section.1.1.p.3"> <span id="rfc.iref.s.1"></span>  <dfn>selected representation</dfn> 
     784      </p>
     785      <ul class="empty">
     786         <li>The current representation of the target resource that would have been selected in a successful response if the same request
     787            had used the method GET and excluded any conditional request header fields.
     788         </li>
     789      </ul>
     790      <h2 id="rfc.section.1.2"><a href="#rfc.section.1.2">1.2</a>&nbsp;<a id="intro.conformance.and.error.handling" href="#intro.conformance.and.error.handling">Conformance and Error Handling</a></h2>
     791      <p id="rfc.section.1.2.p.1">The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL"
    775792         in this document are to be interpreted as described in <a href="#RFC2119" id="rfc.xref.RFC2119.1"><cite title="Key words for use in RFCs to Indicate Requirement Levels">[RFC2119]</cite></a>.
    776793      </p>
    777       <p id="rfc.section.1.1.p.2">This document defines conformance criteria for several roles in HTTP communication, including Senders, Recipients, Clients,
     794      <p id="rfc.section.1.2.p.2">This document defines conformance criteria for several roles in HTTP communication, including Senders, Recipients, Clients,
    778795         Servers, User-Agents, Origin Servers, Intermediaries, Proxies and Gateways. See <a href="p1-messaging.html#architecture" title="Architecture">Section 2</a> of <a href="#Part1" id="rfc.xref.Part1.2"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a> for definitions of these terms.
    779796      </p>
    780       <p id="rfc.section.1.1.p.3">An implementation is considered conformant if it complies with all of the requirements associated with its role(s). Note that
     797      <p id="rfc.section.1.2.p.3">An implementation is considered conformant if it complies with all of the requirements associated with its role(s). Note that
    781798         SHOULD-level requirements are relevant here, unless one of the documented exceptions is applicable.
    782799      </p>
    783       <p id="rfc.section.1.1.p.4">This document also uses ABNF to define valid protocol elements (<a href="#notation" title="Syntax Notation">Section&nbsp;1.2</a>). In addition to the prose requirements placed upon them, Senders <em class="bcp14">MUST NOT</em> generate protocol elements that are invalid.
    784       </p>
    785       <p id="rfc.section.1.1.p.5">Unless noted otherwise, Recipients <em class="bcp14">MAY</em> take steps to recover a usable protocol element from an invalid construct. However, HTTP does not define specific error handling
     800      <p id="rfc.section.1.2.p.4">This document also uses ABNF to define valid protocol elements (<a href="#notation" title="Syntax Notation">Section&nbsp;1.3</a>). In addition to the prose requirements placed upon them, Senders <em class="bcp14">MUST NOT</em> generate protocol elements that are invalid.
     801      </p>
     802      <p id="rfc.section.1.2.p.5">Unless noted otherwise, Recipients <em class="bcp14">MAY</em> take steps to recover a usable protocol element from an invalid construct. However, HTTP does not define specific error handling
    786803         mechanisms, except in cases where it has direct impact on security. This is because different uses of the protocol require
    787804         different error handling strategies; for example, a Web browser may wish to transparently recover from a response where the
     
    789806         error recovery could lead to dangerous consequences.
    790807      </p>
    791       <h2 id="rfc.section.1.2"><a href="#rfc.section.1.2">1.2</a>&nbsp;<a id="notation" href="#notation">Syntax Notation</a></h2>
    792       <p id="rfc.section.1.2.p.1">This specification uses the Augmented Backus-Naur Form (ABNF) notation of <a href="#RFC5234" id="rfc.xref.RFC5234.1"><cite title="Augmented BNF for Syntax Specifications: ABNF">[RFC5234]</cite></a> with the list rule extension defined in <a href="p1-messaging.html#notation" title="Syntax Notation">Section 1.2</a> of <a href="#Part1" id="rfc.xref.Part1.3"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>. <a href="#collected.abnf" title="Collected ABNF">Appendix&nbsp;B</a> shows the collected ABNF with the list rule expanded.
    793       </p>
    794       <p id="rfc.section.1.2.p.2">The following core rules are included by reference, as defined in <a href="#RFC5234" id="rfc.xref.RFC5234.2"><cite title="Augmented BNF for Syntax Specifications: ABNF">[RFC5234]</cite></a>, <a href="http://tools.ietf.org/html/rfc5234#appendix-B.1">Appendix B.1</a>: ALPHA (letters), CR (carriage return), CRLF (CR LF), CTL (controls), DIGIT (decimal 0-9), DQUOTE (double quote), HEXDIG
     808      <h2 id="rfc.section.1.3"><a href="#rfc.section.1.3">1.3</a>&nbsp;<a id="notation" href="#notation">Syntax Notation</a></h2>
     809      <p id="rfc.section.1.3.p.1">This specification uses the Augmented Backus-Naur Form (ABNF) notation of <a href="#RFC5234" id="rfc.xref.RFC5234.1"><cite title="Augmented BNF for Syntax Specifications: ABNF">[RFC5234]</cite></a> with the list rule extension defined in <a href="p1-messaging.html#notation" title="Syntax Notation">Section 1.2</a> of <a href="#Part1" id="rfc.xref.Part1.3"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>. <a href="#collected.abnf" title="Collected ABNF">Appendix&nbsp;B</a> shows the collected ABNF with the list rule expanded.
     810      </p>
     811      <p id="rfc.section.1.3.p.2">The following core rules are included by reference, as defined in <a href="#RFC5234" id="rfc.xref.RFC5234.2"><cite title="Augmented BNF for Syntax Specifications: ABNF">[RFC5234]</cite></a>, <a href="http://tools.ietf.org/html/rfc5234#appendix-B.1">Appendix B.1</a>: ALPHA (letters), CR (carriage return), CRLF (CR LF), CTL (controls), DIGIT (decimal 0-9), DQUOTE (double quote), HEXDIG
    795812         (hexadecimal 0-9/A-F/a-f), HTAB (horizontal tab), LF (line feed), OCTET (any 8-bit sequence of data), SP (space), and VCHAR
    796813         (any visible US-ASCII character).
    797814      </p>
    798       <h3 id="rfc.section.1.2.1"><a href="#rfc.section.1.2.1">1.2.1</a>&nbsp;<a id="core.rules" href="#core.rules">Core Rules</a></h3>
    799       <p id="rfc.section.1.2.1.p.1">The core rules below are defined in <a href="#Part1" id="rfc.xref.Part1.4"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>:
     815      <h3 id="rfc.section.1.3.1"><a href="#rfc.section.1.3.1">1.3.1</a>&nbsp;<a id="core.rules" href="#core.rules">Core Rules</a></h3>
     816      <p id="rfc.section.1.3.1.p.1">The core rules below are defined in <a href="#Part1" id="rfc.xref.Part1.4"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>:
    800817      </p>
    801818      <div id="rfc.figure.u.1"></div><pre class="inline">  <a href="#core.rules" class="smpl">BWS</a>           = &lt;BWS, defined in <a href="#Part1" id="rfc.xref.Part1.5"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>, <a href="p1-messaging.html#whitespace" title="Whitespace">Section 3.2.1</a>&gt;
     
    805822  <a href="#core.rules" class="smpl">quoted-string</a> = &lt;quoted-string, defined in <a href="#Part1" id="rfc.xref.Part1.9"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>, <a href="p1-messaging.html#field.components" title="Field value components">Section 3.2.4</a>&gt;
    806823  <a href="#core.rules" class="smpl">token</a>         = &lt;token, defined in <a href="#Part1" id="rfc.xref.Part1.10"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>, <a href="p1-messaging.html#field.components" title="Field value components">Section 3.2.4</a>&gt;
    807 </pre><h3 id="rfc.section.1.2.2"><a href="#rfc.section.1.2.2">1.2.2</a>&nbsp;<a id="abnf.dependencies" href="#abnf.dependencies">ABNF Rules defined in other Parts of the Specification</a></h3>
    808       <p id="rfc.section.1.2.2.p.1">The ABNF rules below are defined in other parts:</p>
     824</pre><h3 id="rfc.section.1.3.2"><a href="#rfc.section.1.3.2">1.3.2</a>&nbsp;<a id="abnf.dependencies" href="#abnf.dependencies">ABNF Rules defined in other Parts of the Specification</a></h3>
     825      <p id="rfc.section.1.3.2.p.1">The ABNF rules below are defined in other parts:</p>
    809826      <div id="rfc.figure.u.2"></div><pre class="inline">  <a href="#abnf.dependencies" class="smpl">absolute-URI</a>  = &lt;absolute-URI, defined in <a href="#Part1" id="rfc.xref.Part1.11"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>, <a href="p1-messaging.html#uri" title="Uniform Resource Identifiers">Section 2.7</a>&gt;
    810827  <a href="#abnf.dependencies" class="smpl">comment</a>       = &lt;comment, defined in <a href="#Part1" id="rfc.xref.Part1.12"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>, <a href="p1-messaging.html#field.components" title="Field value components">Section 3.2.4</a>&gt;
     
    821838      </p>
    822839      <h2 id="rfc.section.2.1"><a href="#rfc.section.2.1">2.1</a>&nbsp;<a id="safe.and.idempotent" href="#safe.and.idempotent">Safe and Idempotent Methods</a></h2>
    823       <div id="rfc.iref.s.1"></div>
     840      <div id="rfc.iref.s.2"></div>
    824841      <h3 id="rfc.section.2.1.1"><a href="#rfc.section.2.1.1">2.1.1</a>&nbsp;<a id="safe.methods" href="#safe.methods">Safe Methods</a></h3>
    825842      <p id="rfc.section.2.1.1.p.1">Implementors need to be aware that the software represents the user in their interactions over the Internet, and need to allow
     
    10521069      <p id="rfc.section.2.3.7.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 7.3.1</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>) and contain a message body that encloses a copy of the entire request message. Responses to the TRACE method are not cacheable.
    10531070      </p>
    1054       <div id="rfc.iref.c.1"></div>
     1071      <div id="rfc.iref.c.2"></div>
    10551072      <div id="rfc.iref.m.8"></div>
    10561073      <h3 id="rfc.section.2.3.8"><a href="#rfc.section.2.3.8">2.3.8</a>&nbsp;<a id="CONNECT" href="#CONNECT">CONNECT</a></h3>
     
    15911608         a request, then it need not forward the corresponding 100 (Continue) response(s).)
    15921609      </p>
    1593       <div id="rfc.iref.19"></div>
    1594       <div id="rfc.iref.s.2"></div>
     1610      <div id="rfc.iref.21"></div>
     1611      <div id="rfc.iref.s.3"></div>
    15951612      <h3 id="rfc.section.4.3.1"><a href="#rfc.section.4.3.1">4.3.1</a>&nbsp;<a id="status.100" href="#status.100">100 Continue</a></h3>
    15961613      <p id="rfc.section.4.3.1.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
     
    15981615         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 6.4.3</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> for detailed discussion of the use and handling of this status code.
    15991616      </p>
    1600       <div id="rfc.iref.20"></div>
    1601       <div id="rfc.iref.s.3"></div>
     1617      <div id="rfc.iref.22"></div>
     1618      <div id="rfc.iref.s.4"></div>
    16021619      <h3 id="rfc.section.4.3.2"><a href="#rfc.section.4.3.2">4.3.2</a>&nbsp;<a id="status.101" href="#status.101">101 Switching Protocols</a></h3>
    16031620      <p id="rfc.section.4.3.2.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 6.5</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 a change in the application protocol being used on this connection. The server will switch protocols to those defined
     
    16101627      <h2 id="rfc.section.4.4"><a href="#rfc.section.4.4">4.4</a>&nbsp;<a id="status.2xx" href="#status.2xx">Successful 2xx</a></h2>
    16111628      <p id="rfc.section.4.4.p.1">This class of status code indicates that the client's request was successfully received, understood, and accepted.</p>
    1612       <div id="rfc.iref.21"></div>
    1613       <div id="rfc.iref.s.4"></div>
     1629      <div id="rfc.iref.23"></div>
     1630      <div id="rfc.iref.s.5"></div>
    16141631      <h3 id="rfc.section.4.4.1"><a href="#rfc.section.4.4.1">4.4.1</a>&nbsp;<a id="status.200" href="#status.200">200 OK</a></h3>
    16151632      <p id="rfc.section.4.4.1.p.1">The request has succeeded. The payload returned with the response is dependent on the method used in the request, for example: </p>
     
    16261643      <p id="rfc.section.4.4.1.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.Part6.11"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>) to determine freshness for 200 responses.
    16271644      </p>
    1628       <div id="rfc.iref.22"></div>
    1629       <div id="rfc.iref.s.5"></div>
     1645      <div id="rfc.iref.24"></div>
     1646      <div id="rfc.iref.s.6"></div>
    16301647      <h3 id="rfc.section.4.4.2"><a href="#rfc.section.4.4.2">4.4.2</a>&nbsp;<a id="status.201" href="#status.201">201 Created</a></h3>
    16311648      <p id="rfc.section.4.4.2.p.1">The request has been fulfilled and has resulted in a new resource being created.</p>
     
    16391656         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>).
    16401657      </p>
    1641       <div id="rfc.iref.23"></div>
    1642       <div id="rfc.iref.s.6"></div>
     1658      <div id="rfc.iref.25"></div>
     1659      <div id="rfc.iref.s.7"></div>
    16431660      <h3 id="rfc.section.4.4.3"><a href="#rfc.section.4.4.3">4.4.3</a>&nbsp;<a id="status.202" href="#status.202">202 Accepted</a></h3>
    16441661      <p id="rfc.section.4.4.3.p.1">The request has been accepted for processing, but the processing has not been completed. The request might or might not eventually
     
    16511668         user can expect the request to be fulfilled.
    16521669      </p>
    1653       <div id="rfc.iref.24"></div>
    1654       <div id="rfc.iref.s.7"></div>
     1670      <div id="rfc.iref.26"></div>
     1671      <div id="rfc.iref.s.8"></div>
    16551672      <h3 id="rfc.section.4.4.4"><a href="#rfc.section.4.4.4">4.4.4</a>&nbsp;<a id="status.203" href="#status.203">203 Non-Authoritative Information</a></h3>
    16561673      <p id="rfc.section.4.4.4.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 2.3</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>). Note that the behavior 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.Part6.12"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>).
     
    16611678      <p id="rfc.section.4.4.4.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.Part6.14"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>) to determine freshness for 203 responses.
    16621679      </p>
    1663       <div id="rfc.iref.25"></div>
    1664       <div id="rfc.iref.s.8"></div>
     1680      <div id="rfc.iref.27"></div>
     1681      <div id="rfc.iref.s.9"></div>
    16651682      <h3 id="rfc.section.4.4.5"><a href="#rfc.section.4.4.5">4.4.5</a>&nbsp;<a id="status.204" href="#status.204">204 No Content</a></h3>
    16661683      <p id="rfc.section.4.4.5.p.1">The 204 (No Content) status code indicates that the server has successfully fulfilled the request and that there is no additional
     
    16821699      <p id="rfc.section.4.4.5.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.
    16831700      </p>
    1684       <div id="rfc.iref.26"></div>
    1685       <div id="rfc.iref.s.9"></div>
     1701      <div id="rfc.iref.28"></div>
     1702      <div id="rfc.iref.s.10"></div>
    16861703      <h3 id="rfc.section.4.4.6"><a href="#rfc.section.4.4.6">4.4.6</a>&nbsp;<a id="status.205" href="#status.205">205 Reset Content</a></h3>
    16871704      <p id="rfc.section.4.4.6.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
     
    17381755         </p>
    17391756      </div>
    1740       <div id="rfc.iref.27"></div>
    1741       <div id="rfc.iref.s.10"></div>
     1757      <div id="rfc.iref.29"></div>
     1758      <div id="rfc.iref.s.11"></div>
    17421759      <h3 id="rfc.section.4.5.1"><a href="#rfc.section.4.5.1">4.5.1</a>&nbsp;<a id="status.300" href="#status.300">300 Multiple Choices</a></h3>
    17431760      <p id="rfc.section.4.5.1.p.1">The target resource has more than one representation, each with its own specific location, and agent-driven negotiation information
     
    17531770      <p id="rfc.section.4.5.1.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.
    17541771      </p>
    1755       <div id="rfc.iref.28"></div>
    1756       <div id="rfc.iref.s.11"></div>
     1772      <div id="rfc.iref.30"></div>
     1773      <div id="rfc.iref.s.12"></div>
    17571774      <h3 id="rfc.section.4.5.2"><a href="#rfc.section.4.5.2">4.5.2</a>&nbsp;<a id="status.301" href="#status.301">301 Moved Permanently</a></h3>
    17581775      <p id="rfc.section.4.5.2.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
     
    17691786         </p>
    17701787      </div>
    1771       <div id="rfc.iref.29"></div>
    1772       <div id="rfc.iref.s.12"></div>
     1788      <div id="rfc.iref.31"></div>
     1789      <div id="rfc.iref.s.13"></div>
    17731790      <h3 id="rfc.section.4.5.3"><a href="#rfc.section.4.5.3">4.5.3</a>&nbsp;<a id="status.302" href="#status.302">302 Found</a></h3>
    17741791      <p id="rfc.section.4.5.3.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.
     
    17821799         </p>
    17831800      </div>
    1784       <div id="rfc.iref.30"></div>
    1785       <div id="rfc.iref.s.13"></div>
     1801      <div id="rfc.iref.32"></div>
     1802      <div id="rfc.iref.s.14"></div>
    17861803      <h3 id="rfc.section.4.5.4"><a href="#rfc.section.4.5.4">4.5.4</a>&nbsp;<a id="status.303" href="#status.303">303 See Other</a></h3>
    17871804      <p id="rfc.section.4.5.4.p.1">The 303 status code indicates that the server is redirecting the user agent to a different resource, as indicated by a URI
     
    18031820      <p id="rfc.section.4.5.4.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.
    18041821      </p>
    1805       <div id="rfc.iref.31"></div>
    1806       <div id="rfc.iref.s.14"></div>
     1822      <div id="rfc.iref.33"></div>
     1823      <div id="rfc.iref.s.15"></div>
    18071824      <h3 id="rfc.section.4.5.5"><a href="#rfc.section.4.5.5">4.5.5</a>&nbsp;<a id="status.305" href="#status.305">305 Use Proxy</a></h3>
    18081825      <p id="rfc.section.4.5.5.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.
    18091826      </p>
    1810       <div id="rfc.iref.32"></div>
    1811       <div id="rfc.iref.s.15"></div>
     1827      <div id="rfc.iref.34"></div>
     1828      <div id="rfc.iref.s.16"></div>
    18121829      <h3 id="rfc.section.4.5.6"><a href="#rfc.section.4.5.6">4.5.6</a>&nbsp;<a id="status.306" href="#status.306">306 (Unused)</a></h3>
    18131830      <p id="rfc.section.4.5.6.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>
    1814       <div id="rfc.iref.33"></div>
    1815       <div id="rfc.iref.s.16"></div>
     1831      <div id="rfc.iref.35"></div>
     1832      <div id="rfc.iref.s.17"></div>
    18161833      <h3 id="rfc.section.4.5.7"><a href="#rfc.section.4.5.7">4.5.7</a>&nbsp;<a id="status.307" href="#status.307">307 Temporary Redirect</a></h3>
    18171834      <p id="rfc.section.4.5.7.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.
     
    18301847         These status codes are applicable to any request method. User agents <em class="bcp14">SHOULD</em> display any included representation to the user.
    18311848      </p>
    1832       <div id="rfc.iref.34"></div>
    1833       <div id="rfc.iref.s.17"></div>
     1849      <div id="rfc.iref.36"></div>
     1850      <div id="rfc.iref.s.18"></div>
    18341851      <h3 id="rfc.section.4.6.1"><a href="#rfc.section.4.6.1">4.6.1</a>&nbsp;<a id="status.400" href="#status.400">400 Bad Request</a></h3>
    18351852      <p id="rfc.section.4.6.1.p.1">The server cannot or will not process the request, due to a client error (e.g., malformed syntax).</p>
    1836       <div id="rfc.iref.35"></div>
    1837       <div id="rfc.iref.s.18"></div>
     1853      <div id="rfc.iref.37"></div>
     1854      <div id="rfc.iref.s.19"></div>
    18381855      <h3 id="rfc.section.4.6.2"><a href="#rfc.section.4.6.2">4.6.2</a>&nbsp;<a id="status.402" href="#status.402">402 Payment Required</a></h3>
    18391856      <p id="rfc.section.4.6.2.p.1">This code is reserved for future use.</p>
    1840       <div id="rfc.iref.36"></div>
    1841       <div id="rfc.iref.s.19"></div>
     1857      <div id="rfc.iref.38"></div>
     1858      <div id="rfc.iref.s.20"></div>
    18421859      <h3 id="rfc.section.4.6.3"><a href="#rfc.section.4.6.3">4.6.3</a>&nbsp;<a id="status.403" href="#status.403">403 Forbidden</a></h3>
    18431860      <p id="rfc.section.4.6.3.p.1">The server understood the request, but refuses to authorize it. Providing different user authentication credentials might
     
    18471864         to the client, the status code 404 (Not Found) <em class="bcp14">MAY</em> be used instead.
    18481865      </p>
    1849       <div id="rfc.iref.37"></div>
    1850       <div id="rfc.iref.s.20"></div>
     1866      <div id="rfc.iref.39"></div>
     1867      <div id="rfc.iref.s.21"></div>
    18511868      <h3 id="rfc.section.4.6.4"><a href="#rfc.section.4.6.4">4.6.4</a>&nbsp;<a id="status.404" href="#status.404">404 Not Found</a></h3>
    18521869      <p id="rfc.section.4.6.4.p.1">The server has not found anything matching the effective request URI. No indication is given of whether the condition is temporary
     
    18551872         has been refused, or when no other response is applicable.
    18561873      </p>
    1857       <div id="rfc.iref.38"></div>
    1858       <div id="rfc.iref.s.21"></div>
     1874      <div id="rfc.iref.40"></div>
     1875      <div id="rfc.iref.s.22"></div>
    18591876      <h3 id="rfc.section.4.6.5"><a href="#rfc.section.4.6.5">4.6.5</a>&nbsp;<a id="status.405" href="#status.405">405 Method Not Allowed</a></h3>
    18601877      <p id="rfc.section.4.6.5.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.
    18611878      </p>
    1862       <div id="rfc.iref.39"></div>
    1863       <div id="rfc.iref.s.22"></div>
     1879      <div id="rfc.iref.41"></div>
     1880      <div id="rfc.iref.s.23"></div>
    18641881      <h3 id="rfc.section.4.6.6"><a href="#rfc.section.4.6.6">4.6.6</a>&nbsp;<a id="status.406" href="#status.406">406 Not Acceptable</a></h3>
    18651882      <p id="rfc.section.4.6.6.p.1">The resource identified by the request is only capable of generating response representations which have content characteristics
     
    18781895      <p id="rfc.section.4.6.6.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.
    18791896      </p>
    1880       <div id="rfc.iref.40"></div>
    1881       <div id="rfc.iref.s.23"></div>
     1897      <div id="rfc.iref.42"></div>
     1898      <div id="rfc.iref.s.24"></div>
    18821899      <h3 id="rfc.section.4.6.7"><a href="#rfc.section.4.6.7">4.6.7</a>&nbsp;<a id="status.408" href="#status.408">408 Request Timeout</a></h3>
    18831900      <p id="rfc.section.4.6.7.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.
    18841901      </p>
    1885       <div id="rfc.iref.41"></div>
    1886       <div id="rfc.iref.s.24"></div>
     1902      <div id="rfc.iref.43"></div>
     1903      <div id="rfc.iref.s.25"></div>
    18871904      <h3 id="rfc.section.4.6.8"><a href="#rfc.section.4.6.8">4.6.8</a>&nbsp;<a id="status.409" href="#status.409">409 Conflict</a></h3>
    18881905      <p id="rfc.section.4.6.8.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
     
    18961913         contain a list of the differences between the two versions.
    18971914      </p>
    1898       <div id="rfc.iref.42"></div>
    1899       <div id="rfc.iref.s.25"></div>
     1915      <div id="rfc.iref.44"></div>
     1916      <div id="rfc.iref.s.26"></div>
    19001917      <h3 id="rfc.section.4.6.9"><a href="#rfc.section.4.6.9">4.6.9</a>&nbsp;<a id="status.410" href="#status.410">410 Gone</a></h3>
    19011918      <p id="rfc.section.4.6.9.p.1">The target resource is no longer available at the server and no forwarding address is known. This condition is expected to
     
    19111928      <p id="rfc.section.4.6.9.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.
    19121929      </p>
    1913       <div id="rfc.iref.43"></div>
    1914       <div id="rfc.iref.s.26"></div>
     1930      <div id="rfc.iref.45"></div>
     1931      <div id="rfc.iref.s.27"></div>
    19151932      <h3 id="rfc.section.4.6.10"><a href="#rfc.section.4.6.10">4.6.10</a>&nbsp;<a id="status.411" href="#status.411">411 Length Required</a></h3>
    19161933      <p id="rfc.section.4.6.10.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
    19171934         message.
    19181935      </p>
    1919       <div id="rfc.iref.44"></div>
    1920       <div id="rfc.iref.s.27"></div>
     1936      <div id="rfc.iref.46"></div>
     1937      <div id="rfc.iref.s.28"></div>
    19211938      <h3 id="rfc.section.4.6.11"><a href="#rfc.section.4.6.11">4.6.11</a>&nbsp;<a id="status.413" href="#status.413">413 Request Representation Too Large</a></h3>
    19221939      <p id="rfc.section.4.6.11.p.1">The server is refusing to process a request because the request representation is larger than the server is willing or able
     
    19251942      <p id="rfc.section.4.6.11.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.
    19261943      </p>
    1927       <div id="rfc.iref.45"></div>
    1928       <div id="rfc.iref.s.28"></div>
     1944      <div id="rfc.iref.47"></div>
     1945      <div id="rfc.iref.s.29"></div>
    19291946      <h3 id="rfc.section.4.6.12"><a href="#rfc.section.4.6.12">4.6.12</a>&nbsp;<a id="status.414" href="#status.414">414 URI Too Long</a></h3>
    19301947      <p id="rfc.section.4.6.12.p.1">The server is refusing to service the request because the effective request URI is longer than the server is willing to interpret.
     
    19341951         in some servers using fixed-length buffers for reading or manipulating the request-target.
    19351952      </p>
    1936       <div id="rfc.iref.46"></div>
    1937       <div id="rfc.iref.s.29"></div>
     1953      <div id="rfc.iref.48"></div>
     1954      <div id="rfc.iref.s.30"></div>
    19381955      <h3 id="rfc.section.4.6.13"><a href="#rfc.section.4.6.13">4.6.13</a>&nbsp;<a id="status.415" href="#status.415">415 Unsupported Media Type</a></h3>
    19391956      <p id="rfc.section.4.6.13.p.1">The server is refusing to service the request because the request payload is in a format not supported by this request method
    19401957         on the target resource.
    19411958      </p>
    1942       <div id="rfc.iref.47"></div>
    1943       <div id="rfc.iref.s.30"></div>
     1959      <div id="rfc.iref.49"></div>
     1960      <div id="rfc.iref.s.31"></div>
    19441961      <h3 id="rfc.section.4.6.14"><a href="#rfc.section.4.6.14">4.6.14</a>&nbsp;<a id="status.417" href="#status.417">417 Expectation Failed</a></h3>
    19451962      <p id="rfc.section.4.6.14.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;7.3</a>) could not be met by this server, or, if the server is a proxy, the server has unambiguous evidence that the request could
    19461963         not be met by the next-hop server.
    19471964      </p>
    1948       <div id="rfc.iref.48"></div>
    1949       <div id="rfc.iref.s.31"></div>
     1965      <div id="rfc.iref.50"></div>
     1966      <div id="rfc.iref.s.32"></div>
    19501967      <h3 id="rfc.section.4.6.15"><a href="#rfc.section.4.6.15">4.6.15</a>&nbsp;<a id="status.426" href="#status.426">426 Upgrade Required</a></h3>
    19511968      <p id="rfc.section.4.6.15.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 6.5</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>) specifying the required protocols.
     
    19671984         User agents <em class="bcp14">SHOULD</em> display any included representation to the user. These response codes are applicable to any request method.
    19681985      </p>
    1969       <div id="rfc.iref.49"></div>
    1970       <div id="rfc.iref.s.32"></div>
     1986      <div id="rfc.iref.51"></div>
     1987      <div id="rfc.iref.s.33"></div>
    19711988      <h3 id="rfc.section.4.7.1"><a href="#rfc.section.4.7.1">4.7.1</a>&nbsp;<a id="status.500" href="#status.500">500 Internal Server Error</a></h3>
    19721989      <p id="rfc.section.4.7.1.p.1">The server encountered an unexpected condition which prevented it from fulfilling the request.</p>
    1973       <div id="rfc.iref.50"></div>
    1974       <div id="rfc.iref.s.33"></div>
     1990      <div id="rfc.iref.52"></div>
     1991      <div id="rfc.iref.s.34"></div>
    19751992      <h3 id="rfc.section.4.7.2"><a href="#rfc.section.4.7.2">4.7.2</a>&nbsp;<a id="status.501" href="#status.501">501 Not Implemented</a></h3>
    19761993      <p id="rfc.section.4.7.2.p.1">The server does not support the functionality required to fulfill the request. This is the appropriate response when the server
    19771994         does not recognize the request method and is not capable of supporting it for any resource.
    19781995      </p>
    1979       <div id="rfc.iref.51"></div>
    1980       <div id="rfc.iref.s.34"></div>
     1996      <div id="rfc.iref.53"></div>
     1997      <div id="rfc.iref.s.35"></div>
    19811998      <h3 id="rfc.section.4.7.3"><a href="#rfc.section.4.7.3">4.7.3</a>&nbsp;<a id="status.502" href="#status.502">502 Bad Gateway</a></h3>
    19821999      <p id="rfc.section.4.7.3.p.1">The server, while acting as a gateway or proxy, received an invalid response from the upstream server it accessed in attempting
    19832000         to fulfill the request.
    19842001      </p>
    1985       <div id="rfc.iref.52"></div>
    1986       <div id="rfc.iref.s.35"></div>
     2002      <div id="rfc.iref.54"></div>
     2003      <div id="rfc.iref.s.36"></div>
    19872004      <h3 id="rfc.section.4.7.4"><a href="#rfc.section.4.7.4">4.7.4</a>&nbsp;<a id="status.503" href="#status.503">503 Service Unavailable</a></h3>
    19882005      <p id="rfc.section.4.7.4.p.1">The server is currently unable to handle the request due to a temporary overloading or maintenance of the server.</p>
     
    19952012         </p>
    19962013      </div>
    1997       <div id="rfc.iref.53"></div>
    1998       <div id="rfc.iref.s.36"></div>
     2014      <div id="rfc.iref.55"></div>
     2015      <div id="rfc.iref.s.37"></div>
    19992016      <h3 id="rfc.section.4.7.5"><a href="#rfc.section.4.7.5">4.7.5</a>&nbsp;<a id="status.504" href="#status.504">504 Gateway Timeout</a></h3>
    20002017      <p id="rfc.section.4.7.5.p.1">The server, while acting as a gateway or proxy, did not receive a timely response from the upstream server specified by the
     
    20052022         </p>
    20062023      </div>
    2007       <div id="rfc.iref.54"></div>
    2008       <div id="rfc.iref.s.37"></div>
     2024      <div id="rfc.iref.56"></div>
     2025      <div id="rfc.iref.s.38"></div>
    20092026      <h3 id="rfc.section.4.7.6"><a href="#rfc.section.4.7.6">4.7.6</a>&nbsp;<a id="status.505" href="#status.505">505 HTTP Version Not Supported</a></h3>
    20102027      <p id="rfc.section.4.7.6.p.1">The server does not support, or refuses to support, the protocol version that was used in the request message. The server
     
    22052222      </p>
    22062223      <p id="rfc.section.7.3.p.4">The only expectation defined by this specification is:</p>
    2207       <p id="rfc.section.7.3.p.5"><span id="rfc.iref.86"></span><span id="rfc.iref.e.2"></span> 100-continue
     2224      <p id="rfc.section.7.3.p.5"><span id="rfc.iref.88"></span><span id="rfc.iref.e.2"></span> 100-continue
    22082225      </p>
    22092226      <ul class="empty">
     
    22572274      <div class="note" id="rfc.section.7.5.p.7">
    22582275         <p> <b>Note:</b> Some recipients attempt to recover from Location fields that are not valid URI references. This specification does not mandate
    2259             or define such processing, but does allow it (see <a href="#intro.conformance.and.error.handling" title="Conformance and Error Handling">Section&nbsp;1.1</a>).
     2276            or define such processing, but does allow it (see <a href="#intro.conformance.and.error.handling" title="Conformance and Error Handling">Section&nbsp;1.2</a>).
    22602277         </p>
    22612278      </div>
     
    23162333  Retry-After: 120
    23172334</pre><p id="rfc.section.7.8.p.8">In the latter example, the delay is 2 minutes.</p>
    2318       <div id="rfc.iref.s.38"></div>
     2335      <div id="rfc.iref.s.39"></div>
    23192336      <div id="rfc.iref.h.10"></div>
    23202337      <h2 id="rfc.section.7.9"><a href="#rfc.section.7.9">7.9</a>&nbsp;<a id="header.server" href="#header.server">Server</a></h2>
     
    35013518         <ul class="ind">
    35023519            <li><a id="rfc.index.1" href="#rfc.index.1"><b>1</b></a><ul>
    3503                   <li>100 Continue (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.100.1">4.1</a>, <a href="#rfc.iref.19"><b>4.3.1</b></a>, <a href="#rfc.xref.status.100.2">8.2</a></li>
    3504                   <li>100-continue (expect value)&nbsp;&nbsp;<a href="#rfc.iref.86"><b>7.3</b></a></li>
    3505                   <li>101 Switching Protocols (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.101.1">4.1</a>, <a href="#rfc.iref.20"><b>4.3.2</b></a>, <a href="#rfc.xref.status.101.2">8.2</a></li>
     3520                  <li>100 Continue (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.100.1">4.1</a>, <a href="#rfc.iref.21"><b>4.3.1</b></a>, <a href="#rfc.xref.status.100.2">8.2</a></li>
     3521                  <li>100-continue (expect value)&nbsp;&nbsp;<a href="#rfc.iref.88"><b>7.3</b></a></li>
     3522                  <li>101 Switching Protocols (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.101.1">4.1</a>, <a href="#rfc.iref.22"><b>4.3.2</b></a>, <a href="#rfc.xref.status.101.2">8.2</a></li>
    35063523               </ul>
    35073524            </li>
    35083525            <li><a id="rfc.index.2" href="#rfc.index.2"><b>2</b></a><ul>
    3509                   <li>200 OK (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.200.1">4.1</a>, <a href="#rfc.iref.21"><b>4.4.1</b></a>, <a href="#rfc.xref.status.200.2">8.2</a></li>
    3510                   <li>201 Created (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.201.1">4.1</a>, <a href="#rfc.iref.22"><b>4.4.2</b></a>, <a href="#rfc.xref.status.201.2">8.2</a></li>
    3511                   <li>202 Accepted (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.202.1">4.1</a>, <a href="#rfc.iref.23"><b>4.4.3</b></a>, <a href="#rfc.xref.status.202.2">8.2</a></li>
    3512                   <li>203 Non-Authoritative Information (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.203.1">4.1</a>, <a href="#rfc.iref.24"><b>4.4.4</b></a>, <a href="#rfc.xref.status.203.2">8.2</a>, <a href="#rfc.xref.status.203.3">A</a></li>
    3513                   <li>204 No Content (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.204.1">4.1</a>, <a href="#rfc.iref.25"><b>4.4.5</b></a>, <a href="#rfc.xref.status.204.2">8.2</a></li>
    3514                   <li>205 Reset Content (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.205.1">4.1</a>, <a href="#rfc.iref.26"><b>4.4.6</b></a>, <a href="#rfc.xref.status.205.2">8.2</a></li>
     3526                  <li>200 OK (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.200.1">4.1</a>, <a href="#rfc.iref.23"><b>4.4.1</b></a>, <a href="#rfc.xref.status.200.2">8.2</a></li>
     3527                  <li>201 Created (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.201.1">4.1</a>, <a href="#rfc.iref.24"><b>4.4.2</b></a>, <a href="#rfc.xref.status.201.2">8.2</a></li>
     3528                  <li>202 Accepted (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.202.1">4.1</a>, <a href="#rfc.iref.25"><b>4.4.3</b></a>, <a href="#rfc.xref.status.202.2">8.2</a></li>
     3529                  <li>203 Non-Authoritative Information (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.203.1">4.1</a>, <a href="#rfc.iref.26"><b>4.4.4</b></a>, <a href="#rfc.xref.status.203.2">8.2</a>, <a href="#rfc.xref.status.203.3">A</a></li>
     3530                  <li>204 No Content (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.204.1">4.1</a>, <a href="#rfc.iref.27"><b>4.4.5</b></a>, <a href="#rfc.xref.status.204.2">8.2</a></li>
     3531                  <li>205 Reset Content (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.205.1">4.1</a>, <a href="#rfc.iref.28"><b>4.4.6</b></a>, <a href="#rfc.xref.status.205.2">8.2</a></li>
    35153532               </ul>
    35163533            </li>
    35173534            <li><a id="rfc.index.3" href="#rfc.index.3"><b>3</b></a><ul>
    3518                   <li>300 Multiple Choices (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.300.1">4.1</a>, <a href="#rfc.iref.27"><b>4.5.1</b></a>, <a href="#rfc.xref.status.300.2">8.2</a></li>
    3519                   <li>301 Moved Permanently (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.301.1">4.1</a>, <a href="#rfc.iref.28"><b>4.5.2</b></a>, <a href="#rfc.xref.status.301.2">8.2</a>, <a href="#rfc.xref.status.301.3">A</a></li>
    3520                   <li>302 Found (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.302.1">4.1</a>, <a href="#rfc.iref.29"><b>4.5.3</b></a>, <a href="#rfc.xref.status.302.2">8.2</a>, <a href="#rfc.xref.status.302.3">A</a></li>
    3521                   <li>303 See Other (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.303.1">4.1</a>, <a href="#rfc.iref.30"><b>4.5.4</b></a>, <a href="#rfc.xref.status.303.2">8.2</a></li>
    3522                   <li>305 Use Proxy (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.305.1">4.1</a>, <a href="#rfc.iref.31"><b>4.5.5</b></a>, <a href="#rfc.xref.status.305.2">8.2</a>, <a href="#rfc.xref.status.305.3">A</a></li>
    3523                   <li>306 (Unused) (status code)&nbsp;&nbsp;<a href="#rfc.iref.32"><b>4.5.6</b></a>, <a href="#rfc.xref.status.306.1">8.2</a></li>
    3524                   <li>307 Temporary Redirect (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.307.1">4.1</a>, <a href="#rfc.iref.33"><b>4.5.7</b></a>, <a href="#rfc.xref.status.307.2">8.2</a>, <a href="#rfc.xref.status.307.3">A</a></li>
     3535                  <li>300 Multiple Choices (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.300.1">4.1</a>, <a href="#rfc.iref.29"><b>4.5.1</b></a>, <a href="#rfc.xref.status.300.2">8.2</a></li>
     3536                  <li>301 Moved Permanently (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.301.1">4.1</a>, <a href="#rfc.iref.30"><b>4.5.2</b></a>, <a href="#rfc.xref.status.301.2">8.2</a>, <a href="#rfc.xref.status.301.3">A</a></li>
     3537                  <li>302 Found (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.302.1">4.1</a>, <a href="#rfc.iref.31"><b>4.5.3</b></a>, <a href="#rfc.xref.status.302.2">8.2</a>, <a href="#rfc.xref.status.302.3">A</a></li>
     3538                  <li>303 See Other (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.303.1">4.1</a>, <a href="#rfc.iref.32"><b>4.5.4</b></a>, <a href="#rfc.xref.status.303.2">8.2</a></li>
     3539                  <li>305 Use Proxy (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.305.1">4.1</a>, <a href="#rfc.iref.33"><b>4.5.5</b></a>, <a href="#rfc.xref.status.305.2">8.2</a>, <a href="#rfc.xref.status.305.3">A</a></li>
     3540                  <li>306 (Unused) (status code)&nbsp;&nbsp;<a href="#rfc.iref.34"><b>4.5.6</b></a>, <a href="#rfc.xref.status.306.1">8.2</a></li>
     3541                  <li>307 Temporary Redirect (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.307.1">4.1</a>, <a href="#rfc.iref.35"><b>4.5.7</b></a>, <a href="#rfc.xref.status.307.2">8.2</a>, <a href="#rfc.xref.status.307.3">A</a></li>
    35253542               </ul>
    35263543            </li>
    35273544            <li><a id="rfc.index.4" href="#rfc.index.4"><b>4</b></a><ul>
    3528                   <li>400 Bad Request (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.400.1">4.1</a>, <a href="#rfc.iref.34"><b>4.6.1</b></a>, <a href="#rfc.xref.status.400.2">8.2</a></li>
    3529                   <li>402 Payment Required (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.402.1">4.1</a>, <a href="#rfc.iref.35"><b>4.6.2</b></a>, <a href="#rfc.xref.status.402.2">8.2</a></li>
    3530                   <li>403 Forbidden (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.403.1">4.1</a>, <a href="#rfc.iref.36"><b>4.6.3</b></a>, <a href="#rfc.xref.status.403.2">8.2</a></li>
    3531                   <li>404 Not Found (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.404.1">4.1</a>, <a href="#rfc.iref.37"><b>4.6.4</b></a>, <a href="#rfc.xref.status.404.2">8.2</a></li>
    3532                   <li>405 Method Not Allowed (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.405.1">4.1</a>, <a href="#rfc.iref.38"><b>4.6.5</b></a>, <a href="#rfc.xref.status.405.2">8.2</a></li>
    3533                   <li>406 Not Acceptable (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.406.1">4.1</a>, <a href="#rfc.iref.39"><b>4.6.6</b></a>, <a href="#rfc.xref.status.406.2">8.2</a></li>
    3534                   <li>408 Request Timeout (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.408.1">4.1</a>, <a href="#rfc.iref.40"><b>4.6.7</b></a>, <a href="#rfc.xref.status.408.2">8.2</a></li>
    3535                   <li>409 Conflict (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.409.1">4.1</a>, <a href="#rfc.iref.41"><b>4.6.8</b></a>, <a href="#rfc.xref.status.409.2">8.2</a></li>
    3536                   <li>410 Gone (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.410.1">4.1</a>, <a href="#rfc.iref.42"><b>4.6.9</b></a>, <a href="#rfc.xref.status.410.2">8.2</a></li>
    3537                   <li>411 Length Required (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.411.1">4.1</a>, <a href="#rfc.iref.43"><b>4.6.10</b></a>, <a href="#rfc.xref.status.411.2">8.2</a></li>
    3538                   <li>413 Request Representation Too Large (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.413.1">4.1</a>, <a href="#rfc.iref.44"><b>4.6.11</b></a>, <a href="#rfc.xref.status.413.2">8.2</a></li>
    3539                   <li>414 URI Too Long (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.414.1">4.1</a>, <a href="#rfc.iref.45"><b>4.6.12</b></a>, <a href="#rfc.xref.status.414.2">8.2</a></li>
    3540                   <li>415 Unsupported Media Type (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.415.1">4.1</a>, <a href="#rfc.iref.46"><b>4.6.13</b></a>, <a href="#rfc.xref.status.415.2">8.2</a></li>
    3541                   <li>417 Expectation Failed (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.417.1">4.1</a>, <a href="#rfc.iref.47"><b>4.6.14</b></a>, <a href="#rfc.xref.status.417.2">8.2</a></li>
    3542                   <li>426 Upgrade Required (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.426.1">4.1</a>, <a href="#rfc.iref.48"><b>4.6.15</b></a>, <a href="#rfc.xref.status.426.2">8.2</a>, <a href="#rfc.xref.status.426.3">A</a></li>
     3545                  <li>400 Bad Request (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.400.1">4.1</a>, <a href="#rfc.iref.36"><b>4.6.1</b></a>, <a href="#rfc.xref.status.400.2">8.2</a></li>
     3546                  <li>402 Payment Required (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.402.1">4.1</a>, <a href="#rfc.iref.37"><b>4.6.2</b></a>, <a href="#rfc.xref.status.402.2">8.2</a></li>
     3547                  <li>403 Forbidden (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.403.1">4.1</a>, <a href="#rfc.iref.38"><b>4.6.3</b></a>, <a href="#rfc.xref.status.403.2">8.2</a></li>
     3548                  <li>404 Not Found (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.404.1">4.1</a>, <a href="#rfc.iref.39"><b>4.6.4</b></a>, <a href="#rfc.xref.status.404.2">8.2</a></li>
     3549                  <li>405 Method Not Allowed (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.405.1">4.1</a>, <a href="#rfc.iref.40"><b>4.6.5</b></a>, <a href="#rfc.xref.status.405.2">8.2</a></li>
     3550                  <li>406 Not Acceptable (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.406.1">4.1</a>, <a href="#rfc.iref.41"><b>4.6.6</b></a>, <a href="#rfc.xref.status.406.2">8.2</a></li>
     3551                  <li>408 Request Timeout (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.408.1">4.1</a>, <a href="#rfc.iref.42"><b>4.6.7</b></a>, <a href="#rfc.xref.status.408.2">8.2</a></li>
     3552                  <li>409 Conflict (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.409.1">4.1</a>, <a href="#rfc.iref.43"><b>4.6.8</b></a>, <a href="#rfc.xref.status.409.2">8.2</a></li>
     3553                  <li>410 Gone (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.410.1">4.1</a>, <a href="#rfc.iref.44"><b>4.6.9</b></a>, <a href="#rfc.xref.status.410.2">8.2</a></li>
     3554                  <li>411 Length Required (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.411.1">4.1</a>, <a href="#rfc.iref.45"><b>4.6.10</b></a>, <a href="#rfc.xref.status.411.2">8.2</a></li>
     3555                  <li>413 Request Representation Too Large (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.413.1">4.1</a>, <a href="#rfc.iref.46"><b>4.6.11</b></a>, <a href="#rfc.xref.status.413.2">8.2</a></li>
     3556                  <li>414 URI Too Long (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.414.1">4.1</a>, <a href="#rfc.iref.47"><b>4.6.12</b></a>, <a href="#rfc.xref.status.414.2">8.2</a></li>
     3557                  <li>415 Unsupported Media Type (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.415.1">4.1</a>, <a href="#rfc.iref.48"><b>4.6.13</b></a>, <a href="#rfc.xref.status.415.2">8.2</a></li>
     3558                  <li>417 Expectation Failed (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.417.1">4.1</a>, <a href="#rfc.iref.49"><b>4.6.14</b></a>, <a href="#rfc.xref.status.417.2">8.2</a></li>
     3559                  <li>426 Upgrade Required (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.426.1">4.1</a>, <a href="#rfc.iref.50"><b>4.6.15</b></a>, <a href="#rfc.xref.status.426.2">8.2</a>, <a href="#rfc.xref.status.426.3">A</a></li>
    35433560               </ul>
    35443561            </li>
    35453562            <li><a id="rfc.index.5" href="#rfc.index.5"><b>5</b></a><ul>
    3546                   <li>500 Internal Server Error (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.500.1">4.1</a>, <a href="#rfc.iref.49"><b>4.7.1</b></a>, <a href="#rfc.xref.status.500.2">8.2</a></li>
    3547                   <li>501 Not Implemented (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.501.1">4.1</a>, <a href="#rfc.iref.50"><b>4.7.2</b></a>, <a href="#rfc.xref.status.501.2">8.2</a></li>
    3548                   <li>502 Bad Gateway (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.502.1">4.1</a>, <a href="#rfc.iref.51"><b>4.7.3</b></a>, <a href="#rfc.xref.status.502.2">8.2</a></li>
    3549                   <li>503 Service Unavailable (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.503.1">4.1</a>, <a href="#rfc.iref.52"><b>4.7.4</b></a>, <a href="#rfc.xref.status.503.2">8.2</a></li>
    3550                   <li>504 Gateway Timeout (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.504.1">4.1</a>, <a href="#rfc.iref.53"><b>4.7.5</b></a>, <a href="#rfc.xref.status.504.2">8.2</a></li>
    3551                   <li>505 HTTP Version Not Supported (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.505.1">4.1</a>, <a href="#rfc.iref.54"><b>4.7.6</b></a>, <a href="#rfc.xref.status.505.2">8.2</a></li>
     3563                  <li>500 Internal Server Error (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.500.1">4.1</a>, <a href="#rfc.iref.51"><b>4.7.1</b></a>, <a href="#rfc.xref.status.500.2">8.2</a></li>
     3564                  <li>501 Not Implemented (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.501.1">4.1</a>, <a href="#rfc.iref.52"><b>4.7.2</b></a>, <a href="#rfc.xref.status.501.2">8.2</a></li>
     3565                  <li>502 Bad Gateway (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.502.1">4.1</a>, <a href="#rfc.iref.53"><b>4.7.3</b></a>, <a href="#rfc.xref.status.502.2">8.2</a></li>
     3566                  <li>503 Service Unavailable (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.503.1">4.1</a>, <a href="#rfc.iref.54"><b>4.7.4</b></a>, <a href="#rfc.xref.status.503.2">8.2</a></li>
     3567                  <li>504 Gateway Timeout (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.504.1">4.1</a>, <a href="#rfc.iref.55"><b>4.7.5</b></a>, <a href="#rfc.xref.status.504.2">8.2</a></li>
     3568                  <li>505 HTTP Version Not Supported (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.505.1">4.1</a>, <a href="#rfc.iref.56"><b>4.7.6</b></a>, <a href="#rfc.xref.status.505.2">8.2</a></li>
    35523569               </ul>
    35533570            </li>
     
    35573574            </li>
    35583575            <li><a id="rfc.index.C" href="#rfc.index.C"><b>C</b></a><ul>
    3559                   <li>CONNECT method&nbsp;&nbsp;<a href="#rfc.iref.c.1"><b>2.3.8</b></a>, <a href="#rfc.xref.CONNECT.1">8.1</a>, <a href="#rfc.xref.CONNECT.2">A</a></li>
     3576                  <li>CONNECT method&nbsp;&nbsp;<a href="#rfc.iref.c.2"><b>2.3.8</b></a>, <a href="#rfc.xref.CONNECT.1">8.1</a>, <a href="#rfc.xref.CONNECT.2">A</a></li>
     3577                  <li>content negotiation&nbsp;&nbsp;<a href="#rfc.iref.c.1">1.1</a></li>
    35603578               </ul>
    35613579            </li>
     
    36683686            </li>
    36693687            <li><a id="rfc.index.P" href="#rfc.index.P"><b>P</b></a><ul>
    3670                   <li><em>Part1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.1">1</a>, <a href="#rfc.xref.Part1.2">1.1</a>, <a href="#rfc.xref.Part1.3">1.2</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">1.2.1</a>, <a href="#rfc.xref.Part1.10">1.2.1</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">2.3.1</a>, <a href="#rfc.xref.Part1.18">2.3.7</a>, <a href="#rfc.xref.Part1.19">2.3.7</a>, <a href="#rfc.xref.Part1.20">2.3.8</a>, <a href="#rfc.xref.Part1.21">3</a>, <a href="#rfc.xref.Part1.22">3.1</a>, <a href="#rfc.xref.Part1.23">3.1</a>, <a href="#rfc.xref.Part1.24">3.1</a>, <a href="#rfc.xref.Part1.25">3.1</a>, <a href="#rfc.xref.Part1.26">3.1</a>, <a href="#rfc.xref.Part1.27">3.2</a>, <a href="#rfc.xref.Part1.28">3.2</a>, <a href="#rfc.xref.Part1.29">3.3</a>, <a href="#rfc.xref.Part1.30">4.3.1</a>, <a href="#rfc.xref.Part1.31">4.3.2</a>, <a href="#rfc.xref.Part1.32">4.4.4</a>, <a href="#rfc.xref.Part1.33">4.4.6</a>, <a href="#rfc.xref.Part1.34">4.6.15</a>, <a href="#rfc.xref.Part1.35">4.7.6</a>, <a href="#rfc.xref.Part1.36">5</a>, <a href="#rfc.xref.Part1.37">5.1</a>, <a href="#rfc.xref.Part1.38">7.3</a>, <a href="#rfc.xref.Part1.39">7.9</a>, <a href="#rfc.xref.Part1.40">7.9</a>, <a href="#rfc.xref.Part1.41">7.10</a>, <a href="#rfc.xref.Part1.42">10</a>, <a href="#Part1"><b>11.1</b></a>, <a href="#rfc.xref.Part1.43">A</a><ul>
    3671                         <li><em>Section 1.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.3">1.2</a></li>
    3672                         <li><em>Section 2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.2">1.1</a></li>
     3688                  <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">1.3</a>, <a href="#rfc.xref.Part1.4">1.3.1</a>, <a href="#rfc.xref.Part1.5">1.3.1</a>, <a href="#rfc.xref.Part1.6">1.3.1</a>, <a href="#rfc.xref.Part1.7">1.3.1</a>, <a href="#rfc.xref.Part1.8">1.3.1</a>, <a href="#rfc.xref.Part1.9">1.3.1</a>, <a href="#rfc.xref.Part1.10">1.3.1</a>, <a href="#rfc.xref.Part1.11">1.3.2</a>, <a href="#rfc.xref.Part1.12">1.3.2</a>, <a href="#rfc.xref.Part1.13">1.3.2</a>, <a href="#rfc.xref.Part1.14">1.3.2</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">2.3.1</a>, <a href="#rfc.xref.Part1.18">2.3.7</a>, <a href="#rfc.xref.Part1.19">2.3.7</a>, <a href="#rfc.xref.Part1.20">2.3.8</a>, <a href="#rfc.xref.Part1.21">3</a>, <a href="#rfc.xref.Part1.22">3.1</a>, <a href="#rfc.xref.Part1.23">3.1</a>, <a href="#rfc.xref.Part1.24">3.1</a>, <a href="#rfc.xref.Part1.25">3.1</a>, <a href="#rfc.xref.Part1.26">3.1</a>, <a href="#rfc.xref.Part1.27">3.2</a>, <a href="#rfc.xref.Part1.28">3.2</a>, <a href="#rfc.xref.Part1.29">3.3</a>, <a href="#rfc.xref.Part1.30">4.3.1</a>, <a href="#rfc.xref.Part1.31">4.3.2</a>, <a href="#rfc.xref.Part1.32">4.4.4</a>, <a href="#rfc.xref.Part1.33">4.4.6</a>, <a href="#rfc.xref.Part1.34">4.6.15</a>, <a href="#rfc.xref.Part1.35">4.7.6</a>, <a href="#rfc.xref.Part1.36">5</a>, <a href="#rfc.xref.Part1.37">5.1</a>, <a href="#rfc.xref.Part1.38">7.3</a>, <a href="#rfc.xref.Part1.39">7.9</a>, <a href="#rfc.xref.Part1.40">7.9</a>, <a href="#rfc.xref.Part1.41">7.10</a>, <a href="#rfc.xref.Part1.42">10</a>, <a href="#Part1"><b>11.1</b></a>, <a href="#rfc.xref.Part1.43">A</a><ul>
     3689                        <li><em>Section 1.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.3">1.3</a></li>
     3690                        <li><em>Section 2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.2">1.2</a></li>
    36733691                        <li><em>Section 2.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.32">4.4.4</a></li>
    36743692                        <li><em>Section 2.6</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.35">4.7.6</a></li>
    3675                         <li><em>Section 2.7</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.11">1.2.2</a>, <a href="#rfc.xref.Part1.13">1.2.2</a>, <a href="#rfc.xref.Part1.14">1.2.2</a></li>
    3676                         <li><em>Section 3.2.1</em>&nbsp;&nbsp;<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></li>
     3693                        <li><em>Section 2.7</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.11">1.3.2</a>, <a href="#rfc.xref.Part1.13">1.3.2</a>, <a href="#rfc.xref.Part1.14">1.3.2</a></li>
     3694                        <li><em>Section 3.2.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.5">1.3.1</a>, <a href="#rfc.xref.Part1.6">1.3.1</a>, <a href="#rfc.xref.Part1.7">1.3.1</a></li>
    36773695                        <li><em>Section 3.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.21">3</a>, <a href="#rfc.xref.Part1.24">3.1</a>, <a href="#rfc.xref.Part1.39">7.9</a>, <a href="#rfc.xref.Part1.41">7.10</a></li>
    3678                         <li><em>Section 3.2.4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.8">1.2.1</a>, <a href="#rfc.xref.Part1.9">1.2.1</a>, <a href="#rfc.xref.Part1.10">1.2.1</a>, <a href="#rfc.xref.Part1.12">1.2.2</a>, <a href="#rfc.xref.Part1.23">3.1</a></li>
     3696                        <li><em>Section 3.2.4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.8">1.3.1</a>, <a href="#rfc.xref.Part1.9">1.3.1</a>, <a href="#rfc.xref.Part1.10">1.3.1</a>, <a href="#rfc.xref.Part1.12">1.3.2</a>, <a href="#rfc.xref.Part1.23">3.1</a></li>
    36793697                        <li><em>Section 3.2.5</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.22">3.1</a></li>
    36803698                        <li><em>Section 3.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.16">2.2.1</a>, <a href="#rfc.xref.Part1.33">4.4.6</a>, <a href="#rfc.xref.Part1.36">5</a></li>
     
    37733791                  </li>
    37743792                  <li><em>RFC2076</em>&nbsp;&nbsp;<a href="#RFC2076"><b>11.2</b></a></li>
    3775                   <li><em>RFC2119</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2119.1">1.1</a>, <a href="#RFC2119"><b>11.1</b></a></li>
     3793                  <li><em>RFC2119</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2119.1">1.2</a>, <a href="#RFC2119"><b>11.1</b></a></li>
    37763794                  <li><em>RFC2277</em>&nbsp;&nbsp;<a href="#RFC2277"><b>11.2</b></a></li>
    37773795                  <li><em>RFC2295</em>&nbsp;&nbsp;<a href="#RFC2295"><b>11.2</b></a></li>
     
    38023820                     </ul>
    38033821                  </li>
    3804                   <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="#rfc.xref.RFC5234.3">3.1</a>, <a href="#RFC5234"><b>11.1</b></a><ul>
    3805                         <li><em>Appendix B.1</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC5234.2">1.2</a></li>
     3822                  <li><em>RFC5234</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC5234.1">1.3</a>, <a href="#rfc.xref.RFC5234.2">1.3</a>, <a href="#rfc.xref.RFC5234.3">3.1</a>, <a href="#RFC5234"><b>11.1</b></a><ul>
     3823                        <li><em>Appendix B.1</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC5234.2">1.3</a></li>
    38063824                     </ul>
    38073825                  </li>
     
    38203838            </li>
    38213839            <li><a id="rfc.index.S" href="#rfc.index.S"><b>S</b></a><ul>
    3822                   <li>Safe Methods&nbsp;&nbsp;<a href="#rfc.iref.s.1"><b>2.1.1</b></a></li>
    3823                   <li>Server header field&nbsp;&nbsp;<a href="#rfc.xref.header.server.1">3.3</a>, <a href="#rfc.iref.s.38"><b>7.9</b></a>, <a href="#rfc.xref.header.server.2">8.3</a>, <a href="#rfc.xref.header.server.3">9.1</a>, <a href="#rfc.xref.header.server.4">A</a></li>
     3840                  <li>Safe Methods&nbsp;&nbsp;<a href="#rfc.iref.s.2"><b>2.1.1</b></a></li>
     3841                  <li>selected representation&nbsp;&nbsp;<a href="#rfc.iref.s.1"><b>1.1</b></a></li>
     3842                  <li>Server header field&nbsp;&nbsp;<a href="#rfc.xref.header.server.1">3.3</a>, <a href="#rfc.iref.s.39"><b>7.9</b></a>, <a href="#rfc.xref.header.server.2">8.3</a>, <a href="#rfc.xref.header.server.3">9.1</a>, <a href="#rfc.xref.header.server.4">A</a></li>
    38243843                  <li>Status Codes&nbsp;&nbsp;
    38253844                     <ul>
    3826                         <li>100 Continue&nbsp;&nbsp;<a href="#rfc.xref.status.100.1">4.1</a>, <a href="#rfc.iref.s.2"><b>4.3.1</b></a>, <a href="#rfc.xref.status.100.2">8.2</a></li>
    3827                         <li>101 Switching Protocols&nbsp;&nbsp;<a href="#rfc.xref.status.101.1">4.1</a>, <a href="#rfc.iref.s.3"><b>4.3.2</b></a>, <a href="#rfc.xref.status.101.2">8.2</a></li>
    3828                         <li>200 OK&nbsp;&nbsp;<a href="#rfc.xref.status.200.1">4.1</a>, <a href="#rfc.iref.s.4"><b>4.4.1</b></a>, <a href="#rfc.xref.status.200.2">8.2</a></li>
    3829                         <li>201 Created&nbsp;&nbsp;<a href="#rfc.xref.status.201.1">4.1</a>, <a href="#rfc.iref.s.5"><b>4.4.2</b></a>, <a href="#rfc.xref.status.201.2">8.2</a></li>
    3830                         <li>202 Accepted&nbsp;&nbsp;<a href="#rfc.xref.status.202.1">4.1</a>, <a href="#rfc.iref.s.6"><b>4.4.3</b></a>, <a href="#rfc.xref.status.202.2">8.2</a></li>
    3831                         <li>203 Non-Authoritative Information&nbsp;&nbsp;<a href="#rfc.xref.status.203.1">4.1</a>, <a href="#rfc.iref.s.7"><b>4.4.4</b></a>, <a href="#rfc.xref.status.203.2">8.2</a>, <a href="#rfc.xref.status.203.3">A</a></li>
    3832                         <li>204 No Content&nbsp;&nbsp;<a href="#rfc.xref.status.204.1">4.1</a>, <a href="#rfc.iref.s.8"><b>4.4.5</b></a>, <a href="#rfc.xref.status.204.2">8.2</a></li>
    3833                         <li>205 Reset Content&nbsp;&nbsp;<a href="#rfc.xref.status.205.1">4.1</a>, <a href="#rfc.iref.s.9"><b>4.4.6</b></a>, <a href="#rfc.xref.status.205.2">8.2</a></li>
    3834                         <li>300 Multiple Choices&nbsp;&nbsp;<a href="#rfc.xref.status.300.1">4.1</a>, <a href="#rfc.iref.s.10"><b>4.5.1</b></a>, <a href="#rfc.xref.status.300.2">8.2</a></li>
    3835                         <li>301 Moved Permanently&nbsp;&nbsp;<a href="#rfc.xref.status.301.1">4.1</a>, <a href="#rfc.iref.s.11"><b>4.5.2</b></a>, <a href="#rfc.xref.status.301.2">8.2</a>, <a href="#rfc.xref.status.301.3">A</a></li>
    3836                         <li>302 Found&nbsp;&nbsp;<a href="#rfc.xref.status.302.1">4.1</a>, <a href="#rfc.iref.s.12"><b>4.5.3</b></a>, <a href="#rfc.xref.status.302.2">8.2</a>, <a href="#rfc.xref.status.302.3">A</a></li>
    3837                         <li>303 See Other&nbsp;&nbsp;<a href="#rfc.xref.status.303.1">4.1</a>, <a href="#rfc.iref.s.13"><b>4.5.4</b></a>, <a href="#rfc.xref.status.303.2">8.2</a></li>
    3838                         <li>305 Use Proxy&nbsp;&nbsp;<a href="#rfc.xref.status.305.1">4.1</a>, <a href="#rfc.iref.s.14"><b>4.5.5</b></a>, <a href="#rfc.xref.status.305.2">8.2</a>, <a href="#rfc.xref.status.305.3">A</a></li>
    3839                         <li>306 (Unused)&nbsp;&nbsp;<a href="#rfc.iref.s.15"><b>4.5.6</b></a>, <a href="#rfc.xref.status.306.1">8.2</a></li>
    3840                         <li>307 Temporary Redirect&nbsp;&nbsp;<a href="#rfc.xref.status.307.1">4.1</a>, <a href="#rfc.iref.s.16"><b>4.5.7</b></a>, <a href="#rfc.xref.status.307.2">8.2</a>, <a href="#rfc.xref.status.307.3">A</a></li>
    3841                         <li>400 Bad Request&nbsp;&nbsp;<a href="#rfc.xref.status.400.1">4.1</a>, <a href="#rfc.iref.s.17"><b>4.6.1</b></a>, <a href="#rfc.xref.status.400.2">8.2</a></li>
    3842                         <li>402 Payment Required&nbsp;&nbsp;<a href="#rfc.xref.status.402.1">4.1</a>, <a href="#rfc.iref.s.18"><b>4.6.2</b></a>, <a href="#rfc.xref.status.402.2">8.2</a></li>
    3843                         <li>403 Forbidden&nbsp;&nbsp;<a href="#rfc.xref.status.403.1">4.1</a>, <a href="#rfc.iref.s.19"><b>4.6.3</b></a>, <a href="#rfc.xref.status.403.2">8.2</a></li>
    3844                         <li>404 Not Found&nbsp;&nbsp;<a href="#rfc.xref.status.404.1">4.1</a>, <a href="#rfc.iref.s.20"><b>4.6.4</b></a>, <a href="#rfc.xref.status.404.2">8.2</a></li>
    3845                         <li>405 Method Not Allowed&nbsp;&nbsp;<a href="#rfc.xref.status.405.1">4.1</a>, <a href="#rfc.iref.s.21"><b>4.6.5</b></a>, <a href="#rfc.xref.status.405.2">8.2</a></li>
    3846                         <li>406 Not Acceptable&nbsp;&nbsp;<a href="#rfc.xref.status.406.1">4.1</a>, <a href="#rfc.iref.s.22"><b>4.6.6</b></a>, <a href="#rfc.xref.status.406.2">8.2</a></li>
    3847                         <li>408 Request Timeout&nbsp;&nbsp;<a href="#rfc.xref.status.408.1">4.1</a>, <a href="#rfc.iref.s.23"><b>4.6.7</b></a>, <a href="#rfc.xref.status.408.2">8.2</a></li>
    3848                         <li>409 Conflict&nbsp;&nbsp;<a href="#rfc.xref.status.409.1">4.1</a>, <a href="#rfc.iref.s.24"><b>4.6.8</b></a>, <a href="#rfc.xref.status.409.2">8.2</a></li>
    3849                         <li>410 Gone&nbsp;&nbsp;<a href="#rfc.xref.status.410.1">4.1</a>, <a href="#rfc.iref.s.25"><b>4.6.9</b></a>, <a href="#rfc.xref.status.410.2">8.2</a></li>
    3850                         <li>411 Length Required&nbsp;&nbsp;<a href="#rfc.xref.status.411.1">4.1</a>, <a href="#rfc.iref.s.26"><b>4.6.10</b></a>, <a href="#rfc.xref.status.411.2">8.2</a></li>
    3851                         <li>413 Request Representation Too Large&nbsp;&nbsp;<a href="#rfc.xref.status.413.1">4.1</a>, <a href="#rfc.iref.s.27"><b>4.6.11</b></a>, <a href="#rfc.xref.status.413.2">8.2</a></li>
    3852                         <li>414 URI Too Long&nbsp;&nbsp;<a href="#rfc.xref.status.414.1">4.1</a>, <a href="#rfc.iref.s.28"><b>4.6.12</b></a>, <a href="#rfc.xref.status.414.2">8.2</a></li>
    3853                         <li>415 Unsupported Media Type&nbsp;&nbsp;<a href="#rfc.xref.status.415.1">4.1</a>, <a href="#rfc.iref.s.29"><b>4.6.13</b></a>, <a href="#rfc.xref.status.415.2">8.2</a></li>
    3854                         <li>417 Expectation Failed&nbsp;&nbsp;<a href="#rfc.xref.status.417.1">4.1</a>, <a href="#rfc.iref.s.30"><b>4.6.14</b></a>, <a href="#rfc.xref.status.417.2">8.2</a></li>
    3855                         <li>426 Upgrade Required&nbsp;&nbsp;<a href="#rfc.xref.status.426.1">4.1</a>, <a href="#rfc.iref.s.31"><b>4.6.15</b></a>, <a href="#rfc.xref.status.426.2">8.2</a>, <a href="#rfc.xref.status.426.3">A</a></li>
    3856                         <li>500 Internal Server Error&nbsp;&nbsp;<a href="#rfc.xref.status.500.1">4.1</a>, <a href="#rfc.iref.s.32"><b>4.7.1</b></a>, <a href="#rfc.xref.status.500.2">8.2</a></li>
    3857                         <li>501 Not Implemented&nbsp;&nbsp;<a href="#rfc.xref.status.501.1">4.1</a>, <a href="#rfc.iref.s.33"><b>4.7.2</b></a>, <a href="#rfc.xref.status.501.2">8.2</a></li>
    3858                         <li>502 Bad Gateway&nbsp;&nbsp;<a href="#rfc.xref.status.502.1">4.1</a>, <a href="#rfc.iref.s.34"><b>4.7.3</b></a>, <a href="#rfc.xref.status.502.2">8.2</a></li>
    3859                         <li>503 Service Unavailable&nbsp;&nbsp;<a href="#rfc.xref.status.503.1">4.1</a>, <a href="#rfc.iref.s.35"><b>4.7.4</b></a>, <a href="#rfc.xref.status.503.2">8.2</a></li>
    3860                         <li>504 Gateway Timeout&nbsp;&nbsp;<a href="#rfc.xref.status.504.1">4.1</a>, <a href="#rfc.iref.s.36"><b>4.7.5</b></a>, <a href="#rfc.xref.status.504.2">8.2</a></li>
    3861                         <li>505 HTTP Version Not Supported&nbsp;&nbsp;<a href="#rfc.xref.status.505.1">4.1</a>, <a href="#rfc.iref.s.37"><b>4.7.6</b></a>, <a href="#rfc.xref.status.505.2">8.2</a></li>
     3845                        <li>100 Continue&nbsp;&nbsp;<a href="#rfc.xref.status.100.1">4.1</a>, <a href="#rfc.iref.s.3"><b>4.3.1</b></a>, <a href="#rfc.xref.status.100.2">8.2</a></li>
     3846                        <li>101 Switching Protocols&nbsp;&nbsp;<a href="#rfc.xref.status.101.1">4.1</a>, <a href="#rfc.iref.s.4"><b>4.3.2</b></a>, <a href="#rfc.xref.status.101.2">8.2</a></li>
     3847                        <li>200 OK&nbsp;&nbsp;<a href="#rfc.xref.status.200.1">4.1</a>, <a href="#rfc.iref.s.5"><b>4.4.1</b></a>, <a href="#rfc.xref.status.200.2">8.2</a></li>
     3848                        <li>201 Created&nbsp;&nbsp;<a href="#rfc.xref.status.201.1">4.1</a>, <a href="#rfc.iref.s.6"><b>4.4.2</b></a>, <a href="#rfc.xref.status.201.2">8.2</a></li>
     3849                        <li>202 Accepted&nbsp;&nbsp;<a href="#rfc.xref.status.202.1">4.1</a>, <a href="#rfc.iref.s.7"><b>4.4.3</b></a>, <a href="#rfc.xref.status.202.2">8.2</a></li>
     3850                        <li>203 Non-Authoritative Information&nbsp;&nbsp;<a href="#rfc.xref.status.203.1">4.1</a>, <a href="#rfc.iref.s.8"><b>4.4.4</b></a>, <a href="#rfc.xref.status.203.2">8.2</a>, <a href="#rfc.xref.status.203.3">A</a></li>
     3851                        <li>204 No Content&nbsp;&nbsp;<a href="#rfc.xref.status.204.1">4.1</a>, <a href="#rfc.iref.s.9"><b>4.4.5</b></a>, <a href="#rfc.xref.status.204.2">8.2</a></li>
     3852                        <li>205 Reset Content&nbsp;&nbsp;<a href="#rfc.xref.status.205.1">4.1</a>, <a href="#rfc.iref.s.10"><b>4.4.6</b></a>, <a href="#rfc.xref.status.205.2">8.2</a></li>
     3853                        <li>300 Multiple Choices&nbsp;&nbsp;<a href="#rfc.xref.status.300.1">4.1</a>, <a href="#rfc.iref.s.11"><b>4.5.1</b></a>, <a href="#rfc.xref.status.300.2">8.2</a></li>
     3854                        <li>301 Moved Permanently&nbsp;&nbsp;<a href="#rfc.xref.status.301.1">4.1</a>, <a href="#rfc.iref.s.12"><b>4.5.2</b></a>, <a href="#rfc.xref.status.301.2">8.2</a>, <a href="#rfc.xref.status.301.3">A</a></li>
     3855                        <li>302 Found&nbsp;&nbsp;<a href="#rfc.xref.status.302.1">4.1</a>, <a href="#rfc.iref.s.13"><b>4.5.3</b></a>, <a href="#rfc.xref.status.302.2">8.2</a>, <a href="#rfc.xref.status.302.3">A</a></li>
     3856                        <li>303 See Other&nbsp;&nbsp;<a href="#rfc.xref.status.303.1">4.1</a>, <a href="#rfc.iref.s.14"><b>4.5.4</b></a>, <a href="#rfc.xref.status.303.2">8.2</a></li>
     3857                        <li>305 Use Proxy&nbsp;&nbsp;<a href="#rfc.xref.status.305.1">4.1</a>, <a href="#rfc.iref.s.15"><b>4.5.5</b></a>, <a href="#rfc.xref.status.305.2">8.2</a>, <a href="#rfc.xref.status.305.3">A</a></li>
     3858                        <li>306 (Unused)&nbsp;&nbsp;<a href="#rfc.iref.s.16"><b>4.5.6</b></a>, <a href="#rfc.xref.status.306.1">8.2</a></li>
     3859                        <li>307 Temporary Redirect&nbsp;&nbsp;<a href="#rfc.xref.status.307.1">4.1</a>, <a href="#rfc.iref.s.17"><b>4.5.7</b></a>, <a href="#rfc.xref.status.307.2">8.2</a>, <a href="#rfc.xref.status.307.3">A</a></li>
     3860                        <li>400 Bad Request&nbsp;&nbsp;<a href="#rfc.xref.status.400.1">4.1</a>, <a href="#rfc.iref.s.18"><b>4.6.1</b></a>, <a href="#rfc.xref.status.400.2">8.2</a></li>
     3861                        <li>402 Payment Required&nbsp;&nbsp;<a href="#rfc.xref.status.402.1">4.1</a>, <a href="#rfc.iref.s.19"><b>4.6.2</b></a>, <a href="#rfc.xref.status.402.2">8.2</a></li>
     3862                        <li>403 Forbidden&nbsp;&nbsp;<a href="#rfc.xref.status.403.1">4.1</a>, <a href="#rfc.iref.s.20"><b>4.6.3</b></a>, <a href="#rfc.xref.status.403.2">8.2</a></li>
     3863                        <li>404 Not Found&nbsp;&nbsp;<a href="#rfc.xref.status.404.1">4.1</a>, <a href="#rfc.iref.s.21"><b>4.6.4</b></a>, <a href="#rfc.xref.status.404.2">8.2</a></li>
     3864                        <li>405 Method Not Allowed&nbsp;&nbsp;<a href="#rfc.xref.status.405.1">4.1</a>, <a href="#rfc.iref.s.22"><b>4.6.5</b></a>, <a href="#rfc.xref.status.405.2">8.2</a></li>
     3865                        <li>406 Not Acceptable&nbsp;&nbsp;<a href="#rfc.xref.status.406.1">4.1</a>, <a href="#rfc.iref.s.23"><b>4.6.6</b></a>, <a href="#rfc.xref.status.406.2">8.2</a></li>
     3866                        <li>408 Request Timeout&nbsp;&nbsp;<a href="#rfc.xref.status.408.1">4.1</a>, <a href="#rfc.iref.s.24"><b>4.6.7</b></a>, <a href="#rfc.xref.status.408.2">8.2</a></li>
     3867                        <li>409 Conflict&nbsp;&nbsp;<a href="#rfc.xref.status.409.1">4.1</a>, <a href="#rfc.iref.s.25"><b>4.6.8</b></a>, <a href="#rfc.xref.status.409.2">8.2</a></li>
     3868                        <li>410 Gone&nbsp;&nbsp;<a href="#rfc.xref.status.410.1">4.1</a>, <a href="#rfc.iref.s.26"><b>4.6.9</b></a>, <a href="#rfc.xref.status.410.2">8.2</a></li>
     3869                        <li>411 Length Required&nbsp;&nbsp;<a href="#rfc.xref.status.411.1">4.1</a>, <a href="#rfc.iref.s.27"><b>4.6.10</b></a>, <a href="#rfc.xref.status.411.2">8.2</a></li>
     3870                        <li>413 Request Representation Too Large&nbsp;&nbsp;<a href="#rfc.xref.status.413.1">4.1</a>, <a href="#rfc.iref.s.28"><b>4.6.11</b></a>, <a href="#rfc.xref.status.413.2">8.2</a></li>
     3871                        <li>414 URI Too Long&nbsp;&nbsp;<a href="#rfc.xref.status.414.1">4.1</a>, <a href="#rfc.iref.s.29"><b>4.6.12</b></a>, <a href="#rfc.xref.status.414.2">8.2</a></li>
     3872                        <li>415 Unsupported Media Type&nbsp;&nbsp;<a href="#rfc.xref.status.415.1">4.1</a>, <a href="#rfc.iref.s.30"><b>4.6.13</b></a>, <a href="#rfc.xref.status.415.2">8.2</a></li>
     3873                        <li>417 Expectation Failed&nbsp;&nbsp;<a href="#rfc.xref.status.417.1">4.1</a>, <a href="#rfc.iref.s.31"><b>4.6.14</b></a>, <a href="#rfc.xref.status.417.2">8.2</a></li>
     3874                        <li>426 Upgrade Required&nbsp;&nbsp;<a href="#rfc.xref.status.426.1">4.1</a>, <a href="#rfc.iref.s.32"><b>4.6.15</b></a>, <a href="#rfc.xref.status.426.2">8.2</a>, <a href="#rfc.xref.status.426.3">A</a></li>
     3875                        <li>500 Internal Server Error&nbsp;&nbsp;<a href="#rfc.xref.status.500.1">4.1</a>, <a href="#rfc.iref.s.33"><b>4.7.1</b></a>, <a href="#rfc.xref.status.500.2">8.2</a></li>
     3876                        <li>501 Not Implemented&nbsp;&nbsp;<a href="#rfc.xref.status.501.1">4.1</a>, <a href="#rfc.iref.s.34"><b>4.7.2</b></a>, <a href="#rfc.xref.status.501.2">8.2</a></li>
     3877                        <li>502 Bad Gateway&nbsp;&nbsp;<a href="#rfc.xref.status.502.1">4.1</a>, <a href="#rfc.iref.s.35"><b>4.7.3</b></a>, <a href="#rfc.xref.status.502.2">8.2</a></li>
     3878                        <li>503 Service Unavailable&nbsp;&nbsp;<a href="#rfc.xref.status.503.1">4.1</a>, <a href="#rfc.iref.s.36"><b>4.7.4</b></a>, <a href="#rfc.xref.status.503.2">8.2</a></li>
     3879                        <li>504 Gateway Timeout&nbsp;&nbsp;<a href="#rfc.xref.status.504.1">4.1</a>, <a href="#rfc.iref.s.37"><b>4.7.5</b></a>, <a href="#rfc.xref.status.504.2">8.2</a></li>
     3880                        <li>505 HTTP Version Not Supported&nbsp;&nbsp;<a href="#rfc.xref.status.505.1">4.1</a>, <a href="#rfc.iref.s.38"><b>4.7.6</b></a>, <a href="#rfc.xref.status.505.2">8.2</a></li>
    38623881                     </ul>
    38633882                  </li>
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