Changeset 1799


Ignore:
Timestamp:
16/07/12 06:22:34 (9 years ago)
Author:
fielding@…
Message:

p4: Add a section for precedence of conditional request fields and remove

paragraphs that say it isn't defined. Addresses #241
Clarify that If-Modified-Since only applies to GET and HEAD. Addresses #371

also generated HTML

Location:
draft-ietf-httpbis/latest
Files:
9 edited

Legend:

Unmodified
Added
Removed

  • draft-ietf-httpbis/latest/p0-introduction.html

    r1798 r1799  
    393393  }
    394394  @bottom-center {
    395        content: "Expires January 17, 2013";
     395       content: "Expires January 16, 2013";
    396396  }
    397397  @bottom-right {
    … …  
    426426      <meta name="dct.creator" content="Reschke, J. F.">
    427427      <meta name="dct.identifier" content="urn:ietf:id:draft-ietf-httpbis-p0-introduction-latest">
    428       <meta name="dct.issued" scheme="ISO8601" content="2012-07-16">
     428      <meta name="dct.issued" scheme="ISO8601" content="2012-07-15">
    429429      <meta name="dct.abstract" content="This document is the first in a series that, collectively, define the HyperText Transfer Protocol, version 1.1; otherwise known as HTTP/1.1.">
    430430      <meta name="description" content="This document is the first in a series that, collectively, define the HyperText Transfer Protocol, version 1.1; otherwise known as HTTP/1.1.">
    … …  
    446446            </tr>
    447447            <tr>
    448                <td class="left">Expires: January 17, 2013</td>
     448               <td class="left">Expires: January 16, 2013</td>
    449449               <td class="right">W3C</td>
    450450            </tr>
    … …  
    467467            <tr>
    468468               <td class="left"></td>
    469                <td class="right">July 16, 2012</td>
     469               <td class="right">July 15, 2012</td>
    470470            </tr>
    471471         </tbody>
    … …  
    490490         in progress”.
    491491      </p>
    492       <p>This Internet-Draft will expire on January 17, 2013.</p>
     492      <p>This Internet-Draft will expire on January 16, 2013.</p>
    493493      <h1><a id="rfc.copyrightnotice" href="#rfc.copyrightnotice">Copyright Notice</a></h1>
    494494      <p>Copyright © 2012 IETF Trust and the persons identified as the document authors. All rights reserved.</p>

  • draft-ietf-httpbis/latest/p1-messaging.html

    r1798 r1799  
    449449  }
    450450  @bottom-center {
    451        content: "Expires January 17, 2013";
     451       content: "Expires January 16, 2013";
    452452  }
    453453  @bottom-right {
    … …  
    492492      <meta name="dct.creator" content="Reschke, J. F.">
    493493      <meta name="dct.identifier" content="urn:ietf:id:draft-ietf-httpbis-p1-messaging-latest">
    494       <meta name="dct.issued" scheme="ISO8601" content="2012-07-16">
     494      <meta name="dct.issued" scheme="ISO8601" content="2012-07-15">
    495495      <meta name="dct.replaces" content="urn:ietf:rfc:2145">
    496496      <meta name="dct.replaces" content="urn:ietf:rfc:2616">
    … …  
    524524            </tr>
    525525            <tr>
    526                <td class="left">Expires: January 17, 2013</td>
     526               <td class="left">Expires: January 16, 2013</td>
    527527               <td class="right">greenbytes</td>
    528528            </tr>
    529529            <tr>
    530530               <td class="left"></td>
    531                <td class="right">July 16, 2012</td>
     531               <td class="right">July 15, 2012</td>
    532532            </tr>
    533533         </tbody>
    … …  
    556556         in progress”.
    557557      </p>
    558       <p>This Internet-Draft will expire on January 17, 2013.</p>
     558      <p>This Internet-Draft will expire on January 16, 2013.</p>
    559559      <h1><a id="rfc.copyrightnotice" href="#rfc.copyrightnotice">Copyright Notice</a></h1>
    560560      <p>Copyright © 2012 IETF Trust and the persons identified as the document authors. All rights reserved.</p>

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

    r1798 r1799  
    449449  }
    450450  @bottom-center {
    451        content: "Expires January 17, 2013";
     451       content: "Expires January 16, 2013";
    452452  }
    453453  @bottom-right {
    … …  
    497497      <meta name="dct.creator" content="Reschke, J. F.">
    498498      <meta name="dct.identifier" content="urn:ietf:id:draft-ietf-httpbis-p2-semantics-latest">
    499       <meta name="dct.issued" scheme="ISO8601" content="2012-07-16">
     499      <meta name="dct.issued" scheme="ISO8601" content="2012-07-15">
    500500      <meta name="dct.replaces" content="urn:ietf:rfc:2616">
    501501      <meta name="dct.abstract" content="The Hypertext Transfer Protocol (HTTP) is an application-level protocol for distributed, collaborative, hypertext information systems. This document defines the semantics of HTTP/1.1 messages, as expressed by request methods, request header fields, response status codes, and response header fields, along with the payload of messages (metadata and body content) and mechanisms for content negotiation.">
    … …  
    528528            </tr>
    529529            <tr>
    530                <td class="left">Expires: January 17, 2013</td>
     530               <td class="left">Expires: January 16, 2013</td>
    531531               <td class="right">greenbytes</td>
    532532            </tr>
    533533            <tr>
    534534               <td class="left"></td>
    535                <td class="right">July 16, 2012</td>
     535               <td class="right">July 15, 2012</td>
    536536            </tr>
    537537         </tbody>
    … …  
    560560         in progress”.
    561561      </p>
    562       <p>This Internet-Draft will expire on January 17, 2013.</p>
     562      <p>This Internet-Draft will expire on January 16, 2013.</p>
    563563      <h1><a id="rfc.copyrightnotice" href="#rfc.copyrightnotice">Copyright Notice</a></h1>
    564564      <p>Copyright © 2012 IETF Trust and the persons identified as the document authors. All rights reserved.</p>

  • draft-ietf-httpbis/latest/p3-payload.html

    r1798 r1799  
    374374  }
    375375  @bottom-center {
    376        content: "Expires January 17, 2013";
     376       content: "Expires January 16, 2013";
    377377  }
    378378  @bottom-right {
    … …  
    404404      <meta name="dct.creator" content="Reschke, J. F.">
    405405      <meta name="dct.identifier" content="urn:ietf:id:draft-ietf-httpbis-p3-payload-latest">
    406       <meta name="dct.issued" scheme="ISO8601" content="2012-07-16">
     406      <meta name="dct.issued" scheme="ISO8601" content="2012-07-15">
    407407      <meta name="dct.abstract" content="This part is now obsolete. Please see HTTPbis, Part 2.">
    408408      <meta name="description" content="This part is now obsolete. Please see HTTPbis, Part 2.">
    … …  
    424424            </tr>
    425425            <tr>
    426                <td class="left">Expires: January 17, 2013</td>
     426               <td class="left">Expires: January 16, 2013</td>
    427427               <td class="right">W3C</td>
    428428            </tr>
    … …  
    437437            <tr>
    438438               <td class="left"></td>
    439                <td class="right">July 16, 2012</td>
     439               <td class="right">July 15, 2012</td>
    440440            </tr>
    441441         </tbody>
    … …  
    453453         in progress”.
    454454      </p>
    455       <p>This Internet-Draft will expire on January 17, 2013.</p>
     455      <p>This Internet-Draft will expire on January 16, 2013.</p>
    456456      <h1><a id="rfc.copyrightnotice" href="#rfc.copyrightnotice">Copyright Notice</a></h1>
    457457      <p>Copyright © 2012 IETF Trust and the persons identified as the document authors. All rights reserved.</p>

  • draft-ietf-httpbis/latest/p4-conditional.html

    r1796 r1799  
    449449  }
    450450  @bottom-center {
    451        content: "Expires January 17, 2013";
     451       content: "Expires January 16, 2013";
    452452  }
    453453  @bottom-right {
    … …  
    475475      <link rel="Chapter" title="3 Precondition Header Fields" href="#rfc.section.3">
    476476      <link rel="Chapter" title="4 Status Code Definitions" href="#rfc.section.4">
    477       <link rel="Chapter" title="5 IANA Considerations" href="#rfc.section.5">
    478       <link rel="Chapter" title="6 Security Considerations" href="#rfc.section.6">
    479       <link rel="Chapter" title="7 Acknowledgments" href="#rfc.section.7">
    480       <link rel="Chapter" href="#rfc.section.8" title="8 References">
     477      <link rel="Chapter" title="5 Precedence" href="#rfc.section.5">
     478      <link rel="Chapter" title="6 IANA Considerations" href="#rfc.section.6">
     479      <link rel="Chapter" title="7 Security Considerations" href="#rfc.section.7">
     480      <link rel="Chapter" title="8 Acknowledgments" href="#rfc.section.8">
     481      <link rel="Chapter" href="#rfc.section.9" title="9 References">
    481482      <link rel="Appendix" title="A Changes from RFC 2616" href="#rfc.section.A">
    482483      <link rel="Appendix" title="B Collected ABNF" href="#rfc.section.B">
    … …  
    490491      <meta name="dct.creator" content="Reschke, J. F.">
    491492      <meta name="dct.identifier" content="urn:ietf:id:draft-ietf-httpbis-p4-conditional-latest">
    492       <meta name="dct.issued" scheme="ISO8601" content="2012-07-16">
     493      <meta name="dct.issued" scheme="ISO8601" content="2012-07-15">
    493494      <meta name="dct.replaces" content="urn:ietf:rfc:2616">
    494495      <meta name="dct.abstract" content="The Hypertext Transfer Protocol (HTTP) is an application-level protocol for distributed, collaborative, hypertext information systems. This document defines HTTP/1.1 conditional requests, including metadata header fields for indicating state changes, request header fields for making preconditions on such state, and rules for constructing the responses to a conditional request when one or more preconditions evaluate to false.">
    … …  
    516517            </tr>
    517518            <tr>
    518                <td class="left">Expires: January 17, 2013</td>
     519               <td class="left">Expires: January 16, 2013</td>
    519520               <td class="right">J. Reschke, Editor</td>
    520521            </tr>
    … …  
    525526            <tr>
    526527               <td class="left"></td>
    527                <td class="right">July 16, 2012</td>
     528               <td class="right">July 15, 2012</td>
    528529            </tr>
    529530         </tbody>
    … …  
    552553         in progress”.
    553554      </p>
    554       <p>This Internet-Draft will expire on January 17, 2013.</p>
     555      <p>This Internet-Draft will expire on January 16, 2013.</p>
    555556      <h1><a id="rfc.copyrightnotice" href="#rfc.copyrightnotice">Copyright Notice</a></h1>
    556557      <p>Copyright © 2012 IETF Trust and the persons identified as the document authors. All rights reserved.</p>
    … …  
    604605            </ul>
    605606         </li>
    606          <li>5.&nbsp;&nbsp;&nbsp;<a href="#IANA.considerations">IANA Considerations</a><ul>
    607                <li>5.1&nbsp;&nbsp;&nbsp;<a href="#status.code.registration">Status Code Registration</a></li>
    608                <li>5.2&nbsp;&nbsp;&nbsp;<a href="#header.field.registration">Header Field Registration</a></li>
     607         <li>5.&nbsp;&nbsp;&nbsp;<a href="#precedence">Precedence</a></li>
     608         <li>6.&nbsp;&nbsp;&nbsp;<a href="#IANA.considerations">IANA Considerations</a><ul>
     609               <li>6.1&nbsp;&nbsp;&nbsp;<a href="#status.code.registration">Status Code Registration</a></li>
     610               <li>6.2&nbsp;&nbsp;&nbsp;<a href="#header.field.registration">Header Field Registration</a></li>
    609611            </ul>
    610612         </li>
    611          <li>6.&nbsp;&nbsp;&nbsp;<a href="#security.considerations">Security Considerations</a></li>
    612          <li>7.&nbsp;&nbsp;&nbsp;<a href="#acks">Acknowledgments</a></li>
    613          <li>8.&nbsp;&nbsp;&nbsp;<a href="#rfc.references">References</a><ul>
    614                <li>8.1&nbsp;&nbsp;&nbsp;<a href="#rfc.references.1">Normative References</a></li>
    615                <li>8.2&nbsp;&nbsp;&nbsp;<a href="#rfc.references.2">Informative References</a></li>
     613         <li>7.&nbsp;&nbsp;&nbsp;<a href="#security.considerations">Security Considerations</a></li>
     614         <li>8.&nbsp;&nbsp;&nbsp;<a href="#acks">Acknowledgments</a></li>
     615         <li>9.&nbsp;&nbsp;&nbsp;<a href="#rfc.references">References</a><ul>
     616               <li>9.1&nbsp;&nbsp;&nbsp;<a href="#rfc.references.1">Normative References</a></li>
     617               <li>9.2&nbsp;&nbsp;&nbsp;<a href="#rfc.references.2">Informative References</a></li>
    616618            </ul>
    617619         </li>
    … …  
    968970      </ul>
    969971      <h1 id="rfc.section.3"><a href="#rfc.section.3">3.</a>&nbsp;<a id="header.field.definitions" href="#header.field.definitions">Precondition Header Fields</a></h1>
    970       <p id="rfc.section.3.p.1">This section defines the syntax and semantics of HTTP/1.1 header fields for applying preconditions on requests.</p>
     972      <p id="rfc.section.3.p.1">This section defines the syntax and semantics of HTTP/1.1 header fields for applying preconditions on requests. <a href="#precedence" title="Precedence">Section&nbsp;5</a> defines the order of evaluation when more than one precondition is present in a request.
     973      </p>
    971974      <div id="rfc.iref.i.1"></div>
    972975      <div id="rfc.iref.h.3"></div>
    … …  
    996999  If-Match: "xyzzy", "r2d2xxxx", "c3piozzzz"
    9971000  If-Match: *
    998 </pre><p id="rfc.section.3.1.p.11">The result of a request having both an If-Match header field and either an <a href="#header.if-none-match" class="smpl">If-None-Match</a> or an <a href="#header.if-modified-since" class="smpl">If-Modified-Since</a> header field is undefined by this specification.
    999       </p>
    1000       <div id="rfc.iref.i.2"></div>
     1001</pre><div id="rfc.iref.i.2"></div>
    10011002      <div id="rfc.iref.h.4"></div>
    10021003      <h2 id="rfc.section.3.2"><a href="#rfc.section.3.2">3.2</a>&nbsp;<a id="header.if-none-match" href="#header.if-none-match">If-None-Match</a></h2>
    … …  
    10321033  If-None-Match: W/"xyzzy", W/"r2d2xxxx", W/"c3piozzzz"
    10331034  If-None-Match: *
    1034 </pre><p id="rfc.section.3.2.p.11">The result of a request having both an If-None-Match header field and either an <a href="#header.if-match" class="smpl">If-Match</a> or an <a href="#header.if-unmodified-since" class="smpl">If-Unmodified-Since</a> header field is undefined by this specification.
    1035       </p>
    1036       <div id="rfc.iref.i.3"></div>
     1035</pre><div id="rfc.iref.i.3"></div>
    10371036      <div id="rfc.iref.h.5"></div>
    10381037      <h2 id="rfc.section.3.3"><a href="#rfc.section.3.3">3.3</a>&nbsp;<a id="header.if-modified-since" href="#header.if-modified-since">If-Modified-Since</a></h2>
    1039       <p id="rfc.section.3.3.p.1">The "If-Modified-Since" header field can be used to make a request method conditional by modification date: if the selected
    1040          representation has not been modified since the time specified in this field, then do not perform the request method; instead,
    1041          respond as detailed below.
     1038      <p id="rfc.section.3.3.p.1">The "If-Modified-Since" header field can be used with GET or HEAD to make the method conditional by modification date: if
     1039         the selected representation has not been modified since the time specified in this field, then do not perform the request
     1040         method; instead, respond as detailed below.
    10421041      </p>
    10431042      <div id="rfc.figure.u.13"></div><pre class="inline"><span id="rfc.iref.g.9"></span>  <a href="#header.if-modified-since" class="smpl">If-Modified-Since</a> = <a href="#notation" class="smpl">HTTP-date</a>
    … …  
    10751074         </li>
    10761075      </ul>
    1077       <p id="rfc.section.3.3.p.7">The result of a request having both an If-Modified-Since header field and either an <a href="#header.if-match" class="smpl">If-Match</a> or an <a href="#header.if-unmodified-since" class="smpl">If-Unmodified-Since</a> header field is undefined by this specification.
    1078       </p>
    10791076      <div id="rfc.iref.i.4"></div>
    10801077      <div id="rfc.iref.h.6"></div>
    … …  
    10891086      </p>
    10901087      <p id="rfc.section.3.4.p.6">If the specified date is invalid, the header field <em class="bcp14">MUST</em> be ignored.
    1091       </p>
    1092       <p id="rfc.section.3.4.p.7">The result of a request having both an If-Unmodified-Since header field and either an <a href="#header.if-none-match" class="smpl">If-None-Match</a> or an <a href="#header.if-modified-since" class="smpl">If-Modified-Since</a> header field is undefined by this specification.
    10931088      </p>
    10941089      <h2 id="rfc.section.3.5"><a href="#rfc.section.3.5">3.5</a>&nbsp;<a id="header.if-range" href="#header.if-range">If-Range</a></h2>
    … …  
    11241119         and metadata) and thus prevent the request method from being applied if the target resource is in an unexpected state.
    11251120      </p>
    1126       <h1 id="rfc.section.5"><a href="#rfc.section.5">5.</a>&nbsp;<a id="IANA.considerations" href="#IANA.considerations">IANA Considerations</a></h1>
    1127       <h2 id="rfc.section.5.1"><a href="#rfc.section.5.1">5.1</a>&nbsp;<a id="status.code.registration" href="#status.code.registration">Status Code Registration</a></h2>
    1128       <p id="rfc.section.5.1.p.1">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:
     1121      <h1 id="rfc.section.5"><a href="#rfc.section.5">5.</a>&nbsp;<a id="precedence" href="#precedence">Precedence</a></h1>
     1122      <p id="rfc.section.5.p.1">When more than one conditional request header field is present in a request, the order in which the fields are evaluated becomes
     1123         important. In practice, the fields defined in this document are consistently implemented in a single, logical order, due to
     1124         the fact that entity tags are presumed to be more accurate than date validators. For example, the only reason to send both <a href="#header.if-modified-since" class="smpl">If-Modified-Since</a> and <a href="#header.if-none-match" class="smpl">If-None-Match</a> in the same GET request is to support intermediary caches that might not have implemented <a href="#header.if-none-match" class="smpl">If-None-Match</a>, so it makes sense to ignore the <a href="#header.if-modified-since" class="smpl">If-Modified-Since</a> when entity tags are understood and available for the selected representation.
     1125      </p>
     1126      <p id="rfc.section.5.p.2">The general rule of conditional precedence is that exact match conditions are evaluated before cache-validating conditions
     1127         and, within that order, last-modified conditions are only evaluated if the corresponding entity tag condition is not present
     1128         (or not applicable because the selected representation does not have an entity tag).
     1129      </p>
     1130      <p id="rfc.section.5.p.3">Specifically, the fields defined by this specification are evaluated as follows: </p>
     1131      <ol>
     1132         <li>When <a href="#header.if-match" class="smpl">If-Match</a> is present, evaluate it:
     1133            <ul>
     1134               <li>if true, continue to step 3</li>
     1135               <li>if false, respond <a href="#status.412" class="smpl">412 (Precondition Failed)</a></li>
     1136            </ul>
     1137         </li>
     1138         <li>When <a href="#header.if-match" class="smpl">If-Match</a> is not present and <a href="#header.if-unmodified-since" class="smpl">If-Unmodified-Since</a> is present, evaluate it:
     1139            <ul>
     1140               <li>if true, continue to step 3</li>
     1141               <li>if false, respond <a href="#status.412" class="smpl">412 (Precondition Failed)</a></li>
     1142            </ul>
     1143         </li>
     1144         <li>When the method is GET and both <a href="p5-range.html#range.retrieval.requests" class="smpl">Range</a> and <a href="p5-range.html#header.if-range" class="smpl">If-Range</a> are present, evaluate it:
     1145            <ul>
     1146               <li>if the validator matches, respond 206 (Partial Content)</li>
     1147               <li>if the validator does not match, respond <a href="p2-semantics.html#status.200" class="smpl">200 (OK)</a></li>
     1148            </ul>
     1149         </li>
     1150         <li>When <a href="#header.if-none-match" class="smpl">If-None-Match</a> is present, evaluate it:
     1151            <ul>
     1152               <li>if true, all conditions are met</li>
     1153               <li>if false for GET/HEAD, respond <a href="#status.304" class="smpl">304 (Not Modified)</a></li>
     1154               <li>if false for other methods, respond <a href="#status.412" class="smpl">412 (Precondition Failed)</a></li>
     1155            </ul>
     1156         </li>
     1157         <li>When the method is GET or HEAD, <a href="#header.if-none-match" class="smpl">If-None-Match</a> is not present, and <a href="#header.if-modified-since" class="smpl">If-Modified-Since</a> is present, evaluate it:
     1158            <ul>
     1159               <li>if true, all conditions are met</li>
     1160               <li>if false, respond <a href="#status.304" class="smpl">304 (Not Modified)</a></li>
     1161            </ul>
     1162         </li>
     1163      </ol>
     1164      <p id="rfc.section.5.p.4">Any extension to HTTP/1.1 that defines additional conditional request header fields ought to define its own expectations regarding
     1165         the order for evaluating such fields in relation to those defined in this document and other conditionals that might be found
     1166         in practice.
     1167      </p>
     1168      <h1 id="rfc.section.6"><a href="#rfc.section.6">6.</a>&nbsp;<a id="IANA.considerations" href="#IANA.considerations">IANA Considerations</a></h1>
     1169      <h2 id="rfc.section.6.1"><a href="#rfc.section.6.1">6.1</a>&nbsp;<a id="status.code.registration" href="#status.code.registration">Status Code Registration</a></h2>
     1170      <p id="rfc.section.6.1.p.1">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:
    11291171      </p>
    11301172      <div id="rfc.table.1">
    … …  
    11541196         </table>
    11551197      </div>
    1156       <h2 id="rfc.section.5.2"><a href="#rfc.section.5.2">5.2</a>&nbsp;<a id="header.field.registration" href="#header.field.registration">Header Field Registration</a></h2>
    1157       <p id="rfc.section.5.2.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>):
     1198      <h2 id="rfc.section.6.2"><a href="#rfc.section.6.2">6.2</a>&nbsp;<a id="header.field.registration" href="#header.field.registration">Header Field Registration</a></h2>
     1199      <p id="rfc.section.6.2.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>):
    11581200      </p>
    11591201      <div id="rfc.table.2">
    … …  
    12141256         </table>
    12151257      </div>
    1216       <p id="rfc.section.5.2.p.2">The change controller is: "IETF (iesg@ietf.org) - Internet Engineering Task Force".</p>
    1217       <h1 id="rfc.section.6"><a href="#rfc.section.6">6.</a>&nbsp;<a id="security.considerations" href="#security.considerations">Security Considerations</a></h1>
    1218       <p id="rfc.section.6.p.1">No additional security considerations have been identified beyond those applicable to HTTP in general <a href="#Part1" id="rfc.xref.Part1.8"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>.
    1219       </p>
    1220       <h1 id="rfc.section.7"><a href="#rfc.section.7">7.</a>&nbsp;<a id="acks" href="#acks">Acknowledgments</a></h1>
    1221       <p id="rfc.section.7.p.1">See <a href="p1-messaging.html#acks" title="Acknowledgments">Section 9</a> of <a href="#Part1" id="rfc.xref.Part1.9"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>.
    1222       </p>
    1223       <h1 id="rfc.references"><a id="rfc.section.8" href="#rfc.section.8">8.</a> References
     1258      <p id="rfc.section.6.2.p.2">The change controller is: "IETF (iesg@ietf.org) - Internet Engineering Task Force".</p>
     1259      <h1 id="rfc.section.7"><a href="#rfc.section.7">7.</a>&nbsp;<a id="security.considerations" href="#security.considerations">Security Considerations</a></h1>
     1260      <p id="rfc.section.7.p.1">No additional security considerations have been identified beyond those applicable to HTTP in general <a href="#Part1" id="rfc.xref.Part1.8"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>.
     1261      </p>
     1262      <h1 id="rfc.section.8"><a href="#rfc.section.8">8.</a>&nbsp;<a id="acks" href="#acks">Acknowledgments</a></h1>
     1263      <p id="rfc.section.8.p.1">See <a href="p1-messaging.html#acks" title="Acknowledgments">Section 9</a> of <a href="#Part1" id="rfc.xref.Part1.9"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>.
     1264      </p>
     1265      <h1 id="rfc.references"><a id="rfc.section.9" href="#rfc.section.9">9.</a> References
    12241266      </h1>
    1225       <h2 id="rfc.references.1"><a href="#rfc.section.8.1" id="rfc.section.8.1">8.1</a> Normative References
     1267      <h2 id="rfc.references.1"><a href="#rfc.section.9.1" id="rfc.section.9.1">9.1</a> Normative References
    12261268      </h2>
    12271269      <table>           
    … …  
    12571299         </tr>
    12581300      </table>
    1259       <h2 id="rfc.references.2"><a href="#rfc.section.8.2" id="rfc.section.8.2">8.2</a> Informative References
     1301      <h2 id="rfc.references.2"><a href="#rfc.section.9.2" id="rfc.section.9.2">9.2</a> Informative References
    12601302      </h2>
    12611303      <table>     
    … …  
    13401382         <ul class="ind">
    13411383            <li><a id="rfc.index.3" href="#rfc.index.3"><b>3</b></a><ul>
    1342                   <li>304 Not Modified (status code)&nbsp;&nbsp;<a href="#rfc.iref.27"><b>4.1</b></a>, <a href="#rfc.xref.status.304.1">5.1</a></li>
     1384                  <li>304 Not Modified (status code)&nbsp;&nbsp;<a href="#rfc.iref.27"><b>4.1</b></a>, <a href="#rfc.xref.status.304.1">6.1</a></li>
    13431385               </ul>
    13441386            </li>
    13451387            <li><a id="rfc.index.4" href="#rfc.index.4"><b>4</b></a><ul>
    1346                   <li>412 Precondition Failed (status code)&nbsp;&nbsp;<a href="#rfc.iref.28"><b>4.2</b></a>, <a href="#rfc.xref.status.412.1">5.1</a></li>
     1388                  <li>412 Precondition Failed (status code)&nbsp;&nbsp;<a href="#rfc.iref.28"><b>4.2</b></a>, <a href="#rfc.xref.status.412.1">6.1</a></li>
    13471389               </ul>
    13481390            </li>
    13491391            <li><a id="rfc.index.E" href="#rfc.index.E"><b>E</b></a><ul>
    1350                   <li>ETag header field&nbsp;&nbsp;<a href="#rfc.xref.header.etag.1">2</a>, <a href="#rfc.iref.e.1"><b>2.3</b></a>, <a href="#rfc.xref.header.etag.2">5.2</a>, <a href="#rfc.xref.header.etag.3">A</a></li>
     1392                  <li>ETag header field&nbsp;&nbsp;<a href="#rfc.xref.header.etag.1">2</a>, <a href="#rfc.iref.e.1"><b>2.3</b></a>, <a href="#rfc.xref.header.etag.2">6.2</a>, <a href="#rfc.xref.header.etag.3">A</a></li>
    13511393               </ul>
    13521394            </li>
    … …  
    13711413                  <li>Header Fields&nbsp;&nbsp;
    13721414                     <ul>
    1373                         <li>ETag&nbsp;&nbsp;<a href="#rfc.xref.header.etag.1">2</a>, <a href="#rfc.iref.h.2"><b>2.3</b></a>, <a href="#rfc.xref.header.etag.2">5.2</a>, <a href="#rfc.xref.header.etag.3">A</a></li>
    1374                         <li>If-Match&nbsp;&nbsp;<a href="#rfc.iref.h.3"><b>3.1</b></a>, <a href="#rfc.xref.header.if-match.1">5.2</a></li>
    1375                         <li>If-Modified-Since&nbsp;&nbsp;<a href="#rfc.iref.h.5"><b>3.3</b></a>, <a href="#rfc.xref.header.if-modified-since.1">5.2</a></li>
    1376                         <li>If-None-Match&nbsp;&nbsp;<a href="#rfc.iref.h.4"><b>3.2</b></a>, <a href="#rfc.xref.header.if-none-match.1">5.2</a>, <a href="#rfc.xref.header.if-none-match.2">A</a></li>
    1377                         <li>If-Unmodified-Since&nbsp;&nbsp;<a href="#rfc.iref.h.6"><b>3.4</b></a>, <a href="#rfc.xref.header.if-unmodified-since.1">5.2</a></li>
    1378                         <li>Last-Modified&nbsp;&nbsp;<a href="#rfc.xref.header.last-modified.1">2</a>, <a href="#rfc.iref.h.1"><b>2.2</b></a>, <a href="#rfc.xref.header.last-modified.2">5.2</a></li>
     1415                        <li>ETag&nbsp;&nbsp;<a href="#rfc.xref.header.etag.1">2</a>, <a href="#rfc.iref.h.2"><b>2.3</b></a>, <a href="#rfc.xref.header.etag.2">6.2</a>, <a href="#rfc.xref.header.etag.3">A</a></li>
     1416                        <li>If-Match&nbsp;&nbsp;<a href="#rfc.iref.h.3"><b>3.1</b></a>, <a href="#rfc.xref.header.if-match.1">6.2</a></li>
     1417                        <li>If-Modified-Since&nbsp;&nbsp;<a href="#rfc.iref.h.5"><b>3.3</b></a>, <a href="#rfc.xref.header.if-modified-since.1">6.2</a></li>
     1418                        <li>If-None-Match&nbsp;&nbsp;<a href="#rfc.iref.h.4"><b>3.2</b></a>, <a href="#rfc.xref.header.if-none-match.1">6.2</a>, <a href="#rfc.xref.header.if-none-match.2">A</a></li>
     1419                        <li>If-Unmodified-Since&nbsp;&nbsp;<a href="#rfc.iref.h.6"><b>3.4</b></a>, <a href="#rfc.xref.header.if-unmodified-since.1">6.2</a></li>
     1420                        <li>Last-Modified&nbsp;&nbsp;<a href="#rfc.xref.header.last-modified.1">2</a>, <a href="#rfc.iref.h.1"><b>2.2</b></a>, <a href="#rfc.xref.header.last-modified.2">6.2</a></li>
    13791421                     </ul>
    13801422                  </li>
    … …  
    13821424            </li>
    13831425            <li><a id="rfc.index.I" href="#rfc.index.I"><b>I</b></a><ul>
    1384                   <li>If-Match header field&nbsp;&nbsp;<a href="#rfc.iref.i.1"><b>3.1</b></a>, <a href="#rfc.xref.header.if-match.1">5.2</a></li>
    1385                   <li>If-Modified-Since header field&nbsp;&nbsp;<a href="#rfc.iref.i.3"><b>3.3</b></a>, <a href="#rfc.xref.header.if-modified-since.1">5.2</a></li>
    1386                   <li>If-None-Match header field&nbsp;&nbsp;<a href="#rfc.iref.i.2"><b>3.2</b></a>, <a href="#rfc.xref.header.if-none-match.1">5.2</a>, <a href="#rfc.xref.header.if-none-match.2">A</a></li>
    1387                   <li>If-Unmodified-Since header field&nbsp;&nbsp;<a href="#rfc.iref.i.4"><b>3.4</b></a>, <a href="#rfc.xref.header.if-unmodified-since.1">5.2</a></li>
     1426                  <li>If-Match header field&nbsp;&nbsp;<a href="#rfc.iref.i.1"><b>3.1</b></a>, <a href="#rfc.xref.header.if-match.1">6.2</a></li>
     1427                  <li>If-Modified-Since header field&nbsp;&nbsp;<a href="#rfc.iref.i.3"><b>3.3</b></a>, <a href="#rfc.xref.header.if-modified-since.1">6.2</a></li>
     1428                  <li>If-None-Match header field&nbsp;&nbsp;<a href="#rfc.iref.i.2"><b>3.2</b></a>, <a href="#rfc.xref.header.if-none-match.1">6.2</a>, <a href="#rfc.xref.header.if-none-match.2">A</a></li>
     1429                  <li>If-Unmodified-Since header field&nbsp;&nbsp;<a href="#rfc.iref.i.4"><b>3.4</b></a>, <a href="#rfc.xref.header.if-unmodified-since.1">6.2</a></li>
    13881430               </ul>
    13891431            </li>
    13901432            <li><a id="rfc.index.L" href="#rfc.index.L"><b>L</b></a><ul>
    1391                   <li>Last-Modified header field&nbsp;&nbsp;<a href="#rfc.xref.header.last-modified.1">2</a>, <a href="#rfc.iref.l.1"><b>2.2</b></a>, <a href="#rfc.xref.header.last-modified.2">5.2</a></li>
     1433                  <li>Last-Modified header field&nbsp;&nbsp;<a href="#rfc.xref.header.last-modified.1">2</a>, <a href="#rfc.iref.l.1"><b>2.2</b></a>, <a href="#rfc.xref.header.last-modified.2">6.2</a></li>
    13921434               </ul>
    13931435            </li>
    … …  
    13971439            </li>
    13981440            <li><a id="rfc.index.P" href="#rfc.index.P"><b>P</b></a><ul>
    1399                   <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</a>, <a href="#rfc.xref.Part1.5">1.2</a>, <a href="#rfc.xref.Part1.6">1.2</a>, <a href="#rfc.xref.Part1.7">2.3.3</a>, <a href="#rfc.xref.Part1.8">6</a>, <a href="#rfc.xref.Part1.9">7</a>, <a href="#Part1"><b>8.1</b></a><ul>
     1441                  <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</a>, <a href="#rfc.xref.Part1.5">1.2</a>, <a href="#rfc.xref.Part1.6">1.2</a>, <a href="#rfc.xref.Part1.7">2.3.3</a>, <a href="#rfc.xref.Part1.8">7</a>, <a href="#rfc.xref.Part1.9">8</a>, <a href="#Part1"><b>9.1</b></a><ul>
    14001442                        <li><em>Section 1.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.3">1.2</a></li>
    14011443                        <li><em>Section 2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.2">1.1</a></li>
    … …  
    14031445                        <li><em>Section 3.2.4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.6">1.2</a></li>
    14041446                        <li><em>Section 4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.7">2.3.3</a></li>
    1405                         <li><em>Section 9</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.9">7</a></li>
     1447                        <li><em>Section 9</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.9">8</a></li>
    14061448                     </ul>
    14071449                  </li>
    1408                   <li><em>Part2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part2.1">1</a>, <a href="#rfc.xref.Part2.2">1.2</a>, <a href="#rfc.xref.Part2.3">1.2</a>, <a href="#rfc.xref.Part2.4">2.3.3</a>, <a href="#rfc.xref.Part2.5">2.3.3</a>, <a href="#rfc.xref.Part2.6">4.1</a>, <a href="#Part2"><b>8.1</b></a><ul>
     1450                  <li><em>Part2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part2.1">1</a>, <a href="#rfc.xref.Part2.2">1.2</a>, <a href="#rfc.xref.Part2.3">1.2</a>, <a href="#rfc.xref.Part2.4">2.3.3</a>, <a href="#rfc.xref.Part2.5">2.3.3</a>, <a href="#rfc.xref.Part2.6">4.1</a>, <a href="#Part2"><b>9.1</b></a><ul>
    14091451                        <li><em>Section 5.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part2.3">1.2</a></li>
    14101452                        <li><em>Section 8</em>&nbsp;&nbsp;<a href="#rfc.xref.Part2.4">2.3.3</a></li>
    … …  
    14131455                     </ul>
    14141456                  </li>
    1415                   <li><em>Part5</em>&nbsp;&nbsp;<a href="#rfc.xref.Part5.1">3.3</a>, <a href="#rfc.xref.Part5.2">3.5</a>, <a href="#Part5"><b>8.1</b></a><ul>
     1457                  <li><em>Part5</em>&nbsp;&nbsp;<a href="#rfc.xref.Part5.1">3.3</a>, <a href="#rfc.xref.Part5.2">3.5</a>, <a href="#Part5"><b>9.1</b></a><ul>
    14161458                        <li><em>Section 5.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part5.2">3.5</a></li>
    14171459                        <li><em>Section 5.4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part5.1">3.3</a></li>
    14181460                     </ul>
    14191461                  </li>
    1420                   <li><em>Part6</em>&nbsp;&nbsp;<a href="#rfc.xref.Part6.1">1</a>, <a href="#rfc.xref.Part6.2">2.2.1</a>, <a href="#rfc.xref.Part6.3">2.3.1</a>, <a href="#Part6"><b>8.1</b></a></li>
     1462                  <li><em>Part6</em>&nbsp;&nbsp;<a href="#rfc.xref.Part6.1">1</a>, <a href="#rfc.xref.Part6.2">2.2.1</a>, <a href="#rfc.xref.Part6.3">2.3.1</a>, <a href="#Part6"><b>9.1</b></a></li>
    14211463               </ul>
    14221464            </li>
    14231465            <li><a id="rfc.index.R" href="#rfc.index.R"><b>R</b></a><ul>
    1424                   <li><em>RFC2119</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2119.1">1.1</a>, <a href="#RFC2119"><b>8.1</b></a></li>
    1425                   <li><em>RFC2616</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2616.1">2.3</a>, <a href="#RFC2616"><b>8.2</b></a><ul>
     1466                  <li><em>RFC2119</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2119.1">1.1</a>, <a href="#RFC2119"><b>9.1</b></a></li>
     1467                  <li><em>RFC2616</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2616.1">2.3</a>, <a href="#RFC2616"><b>9.2</b></a><ul>
    14261468                        <li><em>Section 3.11</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2616.1">2.3</a></li>
    14271469                     </ul>
    14281470                  </li>
    1429                   <li><em>RFC3864</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC3864.1">5.2</a>, <a href="#RFC3864"><b>8.2</b></a></li>
    1430                   <li><em>RFC4918</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC4918.1">2</a>, <a href="#RFC4918"><b>8.2</b></a></li>
    1431                   <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>8.1</b></a><ul>
     1471                  <li><em>RFC3864</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC3864.1">6.2</a>, <a href="#RFC3864"><b>9.2</b></a></li>
     1472                  <li><em>RFC4918</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC4918.1">2</a>, <a href="#RFC4918"><b>9.2</b></a></li>
     1473                  <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>9.1</b></a><ul>
    14321474                        <li><em>Appendix B.1</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC5234.2">1.2</a></li>
    14331475                     </ul>
    … …  
    14391481                  <li>Status Codes&nbsp;&nbsp;
    14401482                     <ul>
    1441                         <li>304 Not Modified&nbsp;&nbsp;<a href="#rfc.iref.s.2"><b>4.1</b></a>, <a href="#rfc.xref.status.304.1">5.1</a></li>
    1442                         <li>412 Precondition Failed&nbsp;&nbsp;<a href="#rfc.iref.s.3"><b>4.2</b></a>, <a href="#rfc.xref.status.412.1">5.1</a></li>
     1483                        <li>304 Not Modified&nbsp;&nbsp;<a href="#rfc.iref.s.2"><b>4.1</b></a>, <a href="#rfc.xref.status.304.1">6.1</a></li>
     1484                        <li>412 Precondition Failed&nbsp;&nbsp;<a href="#rfc.iref.s.3"><b>4.2</b></a>, <a href="#rfc.xref.status.412.1">6.1</a></li>
    14431485                     </ul>
    14441486                  </li>

  • draft-ietf-httpbis/latest/p4-conditional.xml

    r1796 r1799  
    751751   This section defines the syntax and semantics of HTTP/1.1 header fields
    752752   for applying preconditions on requests.
     753   <xref target="precedence"/> defines the order of evaluation when
     754   more than one precondition is present in a request.
    753755</t>
    754756
    … …  
    807809  If-Match: *
    808810</artwork></figure>
    809 <t>
    810    The result of a request having both an If-Match header field and
    811    either an <x:ref>If-None-Match</x:ref> or an <x:ref>If-Modified-Since</x:ref>
    812    header field is undefined by this specification.
    813 </t>
    814811</section>
    815812
    … …  
    885882  If-None-Match: *
    886883</artwork></figure>
    887 <t>
    888    The result of a request having both an If-None-Match header field and
    889    either an <x:ref>If-Match</x:ref> or an <x:ref>If-Unmodified-Since</x:ref>
    890    header field is undefined by this specification.
    891 </t>
    892884</section>
    893885
    … …  
    897889  <x:anchor-alias value="If-Modified-Since"/>
    898890<t>
    899    The "If-Modified-Since" header field can be used to make a request
    900    method conditional by modification date: if the selected representation
     891   The "If-Modified-Since" header field can be used with GET or HEAD to make
     892   the method conditional by modification date: if the selected representation
    901893   has not been modified since the time specified in this field, then
    902894   do not perform the request method; instead, respond as detailed below.
    … …  
    968960  </list>
    969961</t>
    970 <t>
    971    The result of a request having both an If-Modified-Since header field
    972    and either an <x:ref>If-Match</x:ref> or an <x:ref>If-Unmodified-Since</x:ref>
    973    header field is undefined by this specification.
    974 </t>
    975962</section>
    976963
    … …  
    1006993<t>
    1007994   If the specified date is invalid, the header field &MUST; be ignored.
    1008 </t>
    1009 <t>
    1010    The result of a request having both an If-Unmodified-Since header
    1011    field and either an <x:ref>If-None-Match</x:ref> or an <x:ref>If-Modified-Since</x:ref>
    1012    header field is undefined by this specification.
    1013995</t>
    1014996</section>
    … …  
    10881070</t>
    10891071</section>
     1072</section>
     1073
     1074<section title="Precedence" anchor="precedence">
     1075<t>
     1076   When more than one conditional request header field is present in a request,
     1077   the order in which the fields are evaluated becomes important. In practice,
     1078   the fields defined in this document are consistently implemented in a
     1079   single, logical order, due to the fact that entity tags are presumed to be
     1080   more accurate than date validators. For example, the only reason to send
     1081   both <x:ref>If-Modified-Since</x:ref> and <x:ref>If-None-Match</x:ref> in the same GET request is to
     1082   support intermediary caches that might not have implemented <x:ref>If-None-Match</x:ref>,
     1083   so it makes sense to ignore the <x:ref>If-Modified-Since</x:ref> when entity tags are
     1084   understood and available for the selected representation.
     1085</t>
     1086<t>
     1087   The general rule of conditional precedence is that exact match conditions
     1088   are evaluated before cache-validating conditions and, within that order,
     1089   last-modified conditions are only evaluated if the corresponding
     1090   entity tag condition is not present (or not applicable because the
     1091   selected representation does not have an entity tag).
     1092</t>
     1093<t>
     1094   Specifically, the fields defined by this specification are evaluated
     1095   as follows:
     1096   <list style="numbers">
     1097     <t>When <x:ref>If-Match</x:ref> is present, evaluate it:
     1098       <list style="symbols">
     1099         <t>if true, continue to step 3</t>
     1100         <t>if false, respond <x:ref>412 (Precondition Failed)</x:ref></t>
     1101       </list>
     1102     </t>
     1103     <t>When <x:ref>If-Match</x:ref> is not present and
     1104        <x:ref>If-Unmodified-Since</x:ref> is present, evaluate it:
     1105       <list style="symbols">
     1106         <t>if true, continue to step 3</t>
     1107         <t>if false, respond <x:ref>412 (Precondition Failed)</x:ref></t>
     1108       </list>
     1109     </t>
     1110     <t>When the method is GET and both <x:ref>Range</x:ref> and
     1111        <x:ref>If-Range</x:ref> are present, evaluate it:
     1112       <list style="symbols">
     1113         <t>if the validator matches, respond <x:ref>206 (Partial Content)</x:ref></t>
     1114         <t>if the validator does not match, respond <x:ref>200 (OK)</x:ref></t>
     1115       </list>
     1116     </t>
     1117     <t>When <x:ref>If-None-Match</x:ref> is present, evaluate it:
     1118       <list style="symbols">
     1119         <t>if true, all conditions are met</t>
     1120         <t>if false for GET/HEAD, respond <x:ref>304 (Not Modified)</x:ref></t>
     1121         <t>if false for other methods, respond <x:ref>412 (Precondition Failed)</x:ref></t>
     1122       </list>
     1123     </t>
     1124     <t>When the method is GET or HEAD,
     1125        <x:ref>If-None-Match</x:ref> is not present, and
     1126        <x:ref>If-Modified-Since</x:ref> is present, evaluate it:
     1127       <list style="symbols">
     1128         <t>if true, all conditions are met</t>
     1129         <t>if false, respond <x:ref>304 (Not Modified)</x:ref></t>
     1130       </list>
     1131     </t>
     1132   </list>
     1133</t>
     1134<t>
     1135   Any extension to HTTP/1.1 that defines additional conditional request
     1136   header fields ought to define its own expectations regarding the order
     1137   for evaluating such fields in relation to those defined in this document
     1138   and other conditionals that might be found in practice.
     1139</t>
    10901140</section>
    10911141

  • draft-ietf-httpbis/latest/p5-range.html

    r1798 r1799  
    449449  }
    450450  @bottom-center {
    451        content: "Expires January 17, 2013";
     451       content: "Expires January 16, 2013";
    452452  }
    453453  @bottom-right {
    … …  
    492492      <meta name="dct.creator" content="Reschke, J. F.">
    493493      <meta name="dct.identifier" content="urn:ietf:id:draft-ietf-httpbis-p5-range-latest">
    494       <meta name="dct.issued" scheme="ISO8601" content="2012-07-16">
     494      <meta name="dct.issued" scheme="ISO8601" content="2012-07-15">
    495495      <meta name="dct.replaces" content="urn:ietf:rfc:2616">
    496496      <meta name="dct.abstract" content="The Hypertext Transfer Protocol (HTTP) is an application-level protocol for distributed, collaborative, hypertext information systems. HTTP has been in use by the World Wide Web global information initiative since 1990. This document is Part 5 of the seven-part specification that defines the protocol referred to as &#34;HTTP/1.1&#34; and, taken together, obsoletes RFC 2616. Part 5 defines range requests and the rules for constructing and combining responses to those requests.">
    … …  
    518518            </tr>
    519519            <tr>
    520                <td class="left">Expires: January 17, 2013</td>
     520               <td class="left">Expires: January 16, 2013</td>
    521521               <td class="right">J. Reschke, Editor</td>
    522522            </tr>
    … …  
    527527            <tr>
    528528               <td class="left"></td>
    529                <td class="right">July 16, 2012</td>
     529               <td class="right">July 15, 2012</td>
    530530            </tr>
    531531         </tbody>
    … …  
    554554         in progress”.
    555555      </p>
    556       <p>This Internet-Draft will expire on January 17, 2013.</p>
     556      <p>This Internet-Draft will expire on January 16, 2013.</p>
    557557      <h1><a id="rfc.copyrightnotice" href="#rfc.copyrightnotice">Copyright Notice</a></h1>
    558558      <p>Copyright © 2012 IETF Trust and the persons identified as the document authors. All rights reserved.</p>

  • draft-ietf-httpbis/latest/p6-cache.html

    r1796 r1799  
    452452  }
    453453  @bottom-center {
    454        content: "Expires January 17, 2013";
     454       content: "Expires January 16, 2013";
    455455  }
    456456  @bottom-right {
    … …  
    498498      <meta name="dct.creator" content="Reschke, J. F.">
    499499      <meta name="dct.identifier" content="urn:ietf:id:draft-ietf-httpbis-p6-cache-latest">
    500       <meta name="dct.issued" scheme="ISO8601" content="2012-07-16">
     500      <meta name="dct.issued" scheme="ISO8601" content="2012-07-15">
    501501      <meta name="dct.replaces" content="urn:ietf:rfc:2616">
    502502      <meta name="dct.abstract" content="The Hypertext Transfer Protocol (HTTP) is an application-level protocol for distributed, collaborative, hypertext information systems. HTTP has been in use by the World Wide Web global information initiative since 1990. This document is Part 6 of the seven-part specification that defines the protocol referred to as &#34;HTTP/1.1&#34; and, taken together, obsoletes RFC 2616. Part 6 defines requirements on HTTP caches and the associated header fields that control cache behavior or indicate cacheable response messages.">
    … …  
    524524            </tr>
    525525            <tr>
    526                <td class="left">Expires: January 17, 2013</td>
     526               <td class="left">Expires: January 16, 2013</td>
    527527               <td class="right">M. Nottingham, Editor</td>
    528528            </tr>
    … …  
    541541            <tr>
    542542               <td class="left"></td>
    543                <td class="right">July 16, 2012</td>
     543               <td class="right">July 15, 2012</td>
    544544            </tr>
    545545         </tbody>
    … …  
    570570         in progress”.
    571571      </p>
    572       <p>This Internet-Draft will expire on January 17, 2013.</p>
     572      <p>This Internet-Draft will expire on January 16, 2013.</p>
    573573      <h1><a id="rfc.copyrightnotice" href="#rfc.copyrightnotice">Copyright Notice</a></h1>
    574574      <p>Copyright © 2012 IETF Trust and the persons identified as the document authors. All rights reserved.</p>

  • draft-ietf-httpbis/latest/p7-auth.html

    r1796 r1799  
    449449  }
    450450  @bottom-center {
    451        content: "Expires January 17, 2013";
     451       content: "Expires January 16, 2013";
    452452  }
    453453  @bottom-right {
    … …  
    489489      <meta name="dct.creator" content="Reschke, J. F.">
    490490      <meta name="dct.identifier" content="urn:ietf:id:draft-ietf-httpbis-p7-auth-latest">
    491       <meta name="dct.issued" scheme="ISO8601" content="2012-07-16">
     491      <meta name="dct.issued" scheme="ISO8601" content="2012-07-15">
    492492      <meta name="dct.replaces" content="urn:ietf:rfc:2616">
    493493      <meta name="dct.abstract" content="The Hypertext Transfer Protocol (HTTP) is an application-level protocol for distributed, collaborative, hypermedia information systems. HTTP has been in use by the World Wide Web global information initiative since 1990. This document is Part 7 of the seven-part specification that defines the protocol referred to as &#34;HTTP/1.1&#34; and, taken together, obsoletes RFC 2616. Part 7 defines the HTTP Authentication framework.">
    … …  
    520520            </tr>
    521521            <tr>
    522                <td class="left">Expires: January 17, 2013</td>
     522               <td class="left">Expires: January 16, 2013</td>
    523523               <td class="right">greenbytes</td>
    524524            </tr>
    525525            <tr>
    526526               <td class="left"></td>
    527                <td class="right">July 16, 2012</td>
     527               <td class="right">July 15, 2012</td>
    528528            </tr>
    529529         </tbody>
    … …  
    552552         in progress”.
    553553      </p>
    554       <p>This Internet-Draft will expire on January 17, 2013.</p>
     554      <p>This Internet-Draft will expire on January 16, 2013.</p>
    555555      <h1><a id="rfc.copyrightnotice" href="#rfc.copyrightnotice">Copyright Notice</a></h1>
    556556      <p>Copyright © 2012 IETF Trust and the persons identified as the document authors. All rights reserved.</p>
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