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Changeset 613


Ignore:
Timestamp:
2009-07-19 06:10:24 (5 years ago)
Author:
julian.reschke@gmx.de
Message:

Resolve #13: refer to RFC4646bis for language tag definition (closes #13)

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

Legend:

Unmodified
Added
Removed
  • draft-ietf-httpbis/latest/p3-payload.html

    r609 r613  
    478478         <tr> 
    479479            <td class="header left"></td> 
    480             <td class="header right">July 13, 2009</td> 
     480            <td class="header right">July 19, 2009</td> 
    481481         </tr> 
    482482      </table> 
     
    810810      </div> 
    811811      <h2 id="rfc.section.2.4"><a href="#rfc.section.2.4">2.4</a>&nbsp;<a id="language.tags" href="#language.tags">Language Tags</a></h2> 
    812       <p id="rfc.section.2.4.p.1">A language tag identifies a natural language spoken, written, or otherwise conveyed by human beings for communication of information 
    813          to other human beings. Computer languages are explicitly excluded. HTTP uses language tags within the Accept-Language and 
    814          Content-Language fields. 
    815       </p> 
    816       <p id="rfc.section.2.4.p.2">The syntax and registry of HTTP language tags is the same as that defined by <a href="#RFC1766" id="rfc.xref.RFC1766.1"><cite title="Tags for the Identification of Languages">[RFC1766]</cite></a>. In summary, a language tag is composed of 1 or more parts: A primary language tag and a possibly empty series of subtags: 
    817       </p> 
    818       <div id="rfc.figure.u.10"></div><pre class="inline"><span id="rfc.iref.g.10"></span><span id="rfc.iref.g.11"></span><span id="rfc.iref.g.12"></span>  <a href="#language.tags" class="smpl">language-tag</a>  = <a href="#language.tags" class="smpl">primary-tag</a> *( "-" <a href="#language.tags" class="smpl">subtag</a> ) 
    819   <a href="#language.tags" class="smpl">primary-tag</a>   = 1*8<a href="#notation" class="smpl">ALPHA</a> 
    820   <a href="#language.tags" class="smpl">subtag</a>        = 1*8<a href="#notation" class="smpl">ALPHA</a> 
    821 </pre><p id="rfc.section.2.4.p.4">White space is not allowed within the tag and all tags are case-insensitive. The name space of language tags is administered 
    822          by the IANA. Example tags include: 
    823       </p> 
    824       <div id="rfc.figure.u.11"></div><pre class="text">  en, en-US, en-cockney, i-cherokee, x-pig-latin 
    825 </pre><p id="rfc.section.2.4.p.6">where any two-letter primary-tag is an ISO-639 language abbreviation and any two-letter initial subtag is an ISO-3166 country 
    826          code. (The last three tags above are not registered tags; all but the last are examples of tags which could be registered 
    827          in future.) 
     812      <p id="rfc.section.2.4.p.1">A language tag, as defined in <a href="#RFC4646bis" id="rfc.xref.RFC4646bis.1"><cite title="Tags for Identifying Languages">[RFC4646bis]</cite></a>, identifies a natural language spoken, written, or otherwise conveyed by human beings for communication of information to 
     813         other human beings. Computer languages are explicitly excluded. HTTP uses language tags within the Accept-Language and Content-Language 
     814         fields. 
     815      </p> 
     816      <p id="rfc.section.2.4.p.2">In summary, a language tag is composed of one or more parts: A primary language subtag followed by a possibly empty series 
     817         of subtags: 
     818      </p> 
     819      <div id="rfc.figure.u.10"></div><pre class="inline"><span id="rfc.iref.g.10"></span>  <a href="#language.tags" class="smpl">language-tag</a> = &lt;Language-Tag, defined in <a href="#RFC4646bis" id="rfc.xref.RFC4646bis.2"><cite title="Tags for Identifying Languages">[RFC4646bis]</cite></a>, <a href="http://tools.ietf.org/html/draft-ietf-ltru-4646bis-23#section-2.1">Section 2.1</a>&gt; 
     820</pre><p id="rfc.section.2.4.p.4">White space is not allowed within the tag and all tags are case-insensitive. The name space of language subtags is administered 
     821         by the IANA (see &lt;<a href="http://www.iana.org/assignments/language-subtag-registry">http://www.iana.org/assignments/language-subtag-registry</a>&gt;). 
     822      </p> 
     823      <div id="rfc.figure.u.11"></div>  
     824      <p>Example tags include:</p>  <pre class="text">  en, en-US, es-419, az-Arab, x-pig-latin, man-Nkoo-GN 
     825</pre> <p id="rfc.section.2.4.p.6">See <a href="#RFC4646bis" id="rfc.xref.RFC4646bis.3"><cite title="Tags for Identifying Languages">[RFC4646bis]</cite></a> for further information. 
    828826      </p> 
    829827      <h1 id="rfc.section.3"><a href="#rfc.section.3">3.</a>&nbsp;<a id="entity" href="#entity">Entity</a></h1> 
     
    838836         by the request. 
    839837      </p> 
    840       <div id="rfc.figure.u.12"></div><pre class="inline"><span id="rfc.iref.g.13"></span><span id="rfc.iref.g.14"></span>  <a href="#entity.header.fields" class="smpl">entity-header</a>  = <a href="#header.content-encoding" class="smpl">Content-Encoding</a>         ; <a href="#header.content-encoding" id="rfc.xref.header.content-encoding.2" title="Content-Encoding">Section&nbsp;5.5</a> 
     838      <div id="rfc.figure.u.12"></div><pre class="inline"><span id="rfc.iref.g.11"></span><span id="rfc.iref.g.12"></span>  <a href="#entity.header.fields" class="smpl">entity-header</a>  = <a href="#header.content-encoding" class="smpl">Content-Encoding</a>         ; <a href="#header.content-encoding" id="rfc.xref.header.content-encoding.2" title="Content-Encoding">Section&nbsp;5.5</a> 
    841839                 / <a href="#header.content-language" class="smpl">Content-Language</a>         ; <a href="#header.content-language" id="rfc.xref.header.content-language.1" title="Content-Language">Section&nbsp;5.6</a> 
    842840                 / <a href="#abnf.dependencies" class="smpl">Content-Length</a>           ; <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#header.content-length" title="Content-Length">Section 8.2</a> 
     
    855853      <h2 id="rfc.section.3.2"><a href="#rfc.section.3.2">3.2</a>&nbsp;<a id="entity.body" href="#entity.body">Entity Body</a></h2> 
    856854      <p id="rfc.section.3.2.p.1">The entity-body (if any) sent with an HTTP request or response is in a format and encoding defined by the entity-header fields.</p> 
    857       <div id="rfc.figure.u.13"></div><pre class="inline"><span id="rfc.iref.g.15"></span>  <a href="#entity.body" class="smpl">entity-body</a>    = *<a href="#notation" class="smpl">OCTET</a> 
     855      <div id="rfc.figure.u.13"></div><pre class="inline"><span id="rfc.iref.g.13"></span>  <a href="#entity.body" class="smpl">entity-body</a>    = *<a href="#notation" class="smpl">OCTET</a> 
    858856</pre><p id="rfc.section.3.2.p.3">An entity-body is only present in a message when a message-body is present, as described in <a href="p1-messaging.html#message.body" title="Message Body">Section 4.3</a> of <a href="#Part1" id="rfc.xref.Part1.12"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>. The entity-body is obtained from the message-body by decoding any Transfer-Encoding that might have been applied to ensure 
    859857         safe and proper transfer of the message. 
     
    968966         a request for an in-line image. 
    969967      </p> 
    970       <div id="rfc.figure.u.15"></div><pre class="inline"><span id="rfc.iref.g.16"></span><span id="rfc.iref.g.17"></span><span id="rfc.iref.g.18"></span><span id="rfc.iref.g.19"></span><span id="rfc.iref.g.20"></span>  <a href="#header.accept" class="smpl">Accept</a>   = "Accept" ":" <a href="#core.rules" class="smpl">OWS</a> <a href="#header.accept" class="smpl">Accept-v</a> 
     968      <div id="rfc.figure.u.15"></div><pre class="inline"><span id="rfc.iref.g.14"></span><span id="rfc.iref.g.15"></span><span id="rfc.iref.g.16"></span><span id="rfc.iref.g.17"></span><span id="rfc.iref.g.18"></span>  <a href="#header.accept" class="smpl">Accept</a>   = "Accept" ":" <a href="#core.rules" class="smpl">OWS</a> <a href="#header.accept" class="smpl">Accept-v</a> 
    971969  <a href="#header.accept" class="smpl">Accept-v</a> = #( <a href="#header.accept" class="smpl">media-range</a> [ <a href="#header.accept" class="smpl">accept-params</a> ] ) 
    972970   
     
    10701068         to a server which is capable of representing documents in those character sets. 
    10711069      </p> 
    1072       <div id="rfc.figure.u.20"></div><pre class="inline"><span id="rfc.iref.g.21"></span><span id="rfc.iref.g.22"></span>  <a href="#header.accept-charset" class="smpl">Accept-Charset</a>   = "Accept-Charset" ":" <a href="#core.rules" class="smpl">OWS</a> 
     1070      <div id="rfc.figure.u.20"></div><pre class="inline"><span id="rfc.iref.g.19"></span><span id="rfc.iref.g.20"></span>  <a href="#header.accept-charset" class="smpl">Accept-Charset</a>   = "Accept-Charset" ":" <a href="#core.rules" class="smpl">OWS</a> 
    10731071          <a href="#header.accept-charset" class="smpl">Accept-Charset-v</a> 
    10741072  <a href="#header.accept-charset" class="smpl">Accept-Charset-v</a> = 1#( ( <a href="#rule.charset" class="smpl">charset</a> / "*" ) 
     
    10911089      <p id="rfc.section.5.3.p.1">The request-header field "Accept-Encoding" is similar to Accept, but restricts the content-codings (<a href="#content.codings" title="Content Codings">Section&nbsp;2.2</a>) that are acceptable in the response. 
    10921090      </p> 
    1093       <div id="rfc.figure.u.22"></div><pre class="inline"><span id="rfc.iref.g.23"></span><span id="rfc.iref.g.24"></span><span id="rfc.iref.g.25"></span>  <a href="#header.accept-encoding" class="smpl">Accept-Encoding</a>    = "Accept-Encoding" ":" <a href="#core.rules" class="smpl">OWS</a> 
     1091      <div id="rfc.figure.u.22"></div><pre class="inline"><span id="rfc.iref.g.21"></span><span id="rfc.iref.g.22"></span><span id="rfc.iref.g.23"></span>  <a href="#header.accept-encoding" class="smpl">Accept-Encoding</a>    = "Accept-Encoding" ":" <a href="#core.rules" class="smpl">OWS</a> 
    10941092                     <a href="#header.accept-encoding" class="smpl">Accept-Encoding-v</a> 
    10951093  <a href="#header.accept-encoding" class="smpl">Accept-Encoding-v</a>  =  
     
    11431141         as a response to the request. Language tags are defined in <a href="#language.tags" title="Language Tags">Section&nbsp;2.4</a>. 
    11441142      </p> 
    1145       <div id="rfc.figure.u.24"></div><pre class="inline"><span id="rfc.iref.g.26"></span><span id="rfc.iref.g.27"></span><span id="rfc.iref.g.28"></span>  <a href="#header.accept-language" class="smpl">Accept-Language</a>   = "Accept-Language" ":" <a href="#core.rules" class="smpl">OWS</a> 
     1143      <div id="rfc.figure.u.24"></div><pre class="inline"><span id="rfc.iref.g.24"></span><span id="rfc.iref.g.25"></span><span id="rfc.iref.g.26"></span>  <a href="#header.accept-language" class="smpl">Accept-Language</a>   = "Accept-Language" ":" <a href="#core.rules" class="smpl">OWS</a> 
    11461144                    <a href="#header.accept-language" class="smpl">Accept-Language-v</a> 
    11471145  <a href="#header.accept-language" class="smpl">Accept-Language-v</a> = 
     
    11961194         to be compressed without losing the identity of its underlying media type. 
    11971195      </p> 
    1198       <div id="rfc.figure.u.26"></div><pre class="inline"><span id="rfc.iref.g.29"></span><span id="rfc.iref.g.30"></span>  <a href="#header.content-encoding" class="smpl">Content-Encoding</a>   = "Content-Encoding" ":" <a href="#core.rules" class="smpl">OWS</a> <a href="#header.content-encoding" class="smpl">Content-Encoding-v</a> 
     1196      <div id="rfc.figure.u.26"></div><pre class="inline"><span id="rfc.iref.g.27"></span><span id="rfc.iref.g.28"></span>  <a href="#header.content-encoding" class="smpl">Content-Encoding</a>   = "Content-Encoding" ":" <a href="#core.rules" class="smpl">OWS</a> <a href="#header.content-encoding" class="smpl">Content-Encoding-v</a> 
    11991197  <a href="#header.content-encoding" class="smpl">Content-Encoding-v</a> = 1#<a href="#content.codings" class="smpl">content-coding</a> 
    12001198</pre><p id="rfc.section.5.5.p.3">Content codings are defined in <a href="#content.codings" title="Content Codings">Section&nbsp;2.2</a>. An example of its use is 
     
    12171215         Note that this might not be equivalent to all the languages used within the entity-body. 
    12181216      </p> 
    1219       <div id="rfc.figure.u.28"></div><pre class="inline"><span id="rfc.iref.g.31"></span><span id="rfc.iref.g.32"></span>  <a href="#header.content-language" class="smpl">Content-Language</a>   = "Content-Language" ":" <a href="#core.rules" class="smpl">OWS</a> <a href="#header.content-language" class="smpl">Content-Language-v</a> 
     1217      <div id="rfc.figure.u.28"></div><pre class="inline"><span id="rfc.iref.g.29"></span><span id="rfc.iref.g.30"></span>  <a href="#header.content-language" class="smpl">Content-Language</a>   = "Content-Language" ":" <a href="#core.rules" class="smpl">OWS</a> <a href="#header.content-language" class="smpl">Content-Language-v</a> 
    12201218  <a href="#header.content-language" class="smpl">Content-Language-v</a> = 1#<a href="#language.tags" class="smpl">language-tag</a> 
    12211219</pre><p id="rfc.section.5.6.p.3">Language tags are defined in <a href="#language.tags" title="Language Tags">Section&nbsp;2.4</a>. The primary purpose of Content-Language is to allow a user to identify and differentiate entities according to the user's 
     
    12451243         accessed, the server <em class="bcp14">SHOULD</em> provide a Content-Location for the particular variant which is returned. 
    12461244      </p> 
    1247       <div id="rfc.figure.u.31"></div><pre class="inline"><span id="rfc.iref.g.33"></span><span id="rfc.iref.g.34"></span>  <a href="#header.content-location" class="smpl">Content-Location</a>   = "Content-Location" ":" <a href="#core.rules" class="smpl">OWS</a> 
     1245      <div id="rfc.figure.u.31"></div><pre class="inline"><span id="rfc.iref.g.31"></span><span id="rfc.iref.g.32"></span>  <a href="#header.content-location" class="smpl">Content-Location</a>   = "Content-Location" ":" <a href="#core.rules" class="smpl">OWS</a> 
    12481246                    <a href="#header.content-location" class="smpl">Content-Location-v</a> 
    12491247  <a href="#header.content-location" class="smpl">Content-Location-v</a> = 
     
    12661264         attacks.) 
    12671265      </p> 
    1268       <div id="rfc.figure.u.32"></div><pre class="inline"><span id="rfc.iref.g.35"></span><span id="rfc.iref.g.36"></span>  <a href="#header.content-md5" class="smpl">Content-MD5</a>   = "Content-MD5" ":" <a href="#core.rules" class="smpl">OWS</a> <a href="#header.content-md5" class="smpl">Content-MD5-v</a> 
     1266      <div id="rfc.figure.u.32"></div><pre class="inline"><span id="rfc.iref.g.33"></span><span id="rfc.iref.g.34"></span>  <a href="#header.content-md5" class="smpl">Content-MD5</a>   = "Content-MD5" ":" <a href="#core.rules" class="smpl">OWS</a> <a href="#header.content-md5" class="smpl">Content-MD5-v</a> 
    12691267  <a href="#header.content-md5" class="smpl">Content-MD5-v</a> = &lt;base64 of 128 bit MD5 digest as per <a href="#RFC1864" id="rfc.xref.RFC1864.2"><cite title="The Content-MD5 Header Field">[RFC1864]</cite></a>&gt; 
    12701268</pre><p id="rfc.section.5.8.p.3">The Content-MD5 header field <em class="bcp14">MAY</em> be generated by an origin server or client to function as an integrity check of the entity-body. Only origin servers or clients <em class="bcp14">MAY</em> generate the Content-MD5 header field; proxies and gateways <em class="bcp14">MUST NOT</em> generate it, as this would defeat its value as an end-to-end integrity check. Any recipient of the entity-body, including 
     
    13031301         the HEAD method, the media type that would have been sent had the request been a GET. 
    13041302      </p> 
    1305       <div id="rfc.figure.u.33"></div><pre class="inline"><span id="rfc.iref.g.37"></span><span id="rfc.iref.g.38"></span>  <a href="#header.content-type" class="smpl">Content-Type</a>   = "Content-Type" ":" <a href="#core.rules" class="smpl">OWS</a> <a href="#header.content-type" class="smpl">Content-Type-v</a> 
     1303      <div id="rfc.figure.u.33"></div><pre class="inline"><span id="rfc.iref.g.35"></span><span id="rfc.iref.g.36"></span>  <a href="#header.content-type" class="smpl">Content-Type</a>   = "Content-Type" ":" <a href="#core.rules" class="smpl">OWS</a> <a href="#header.content-type" class="smpl">Content-Type-v</a> 
    13061304  <a href="#header.content-type" class="smpl">Content-Type-v</a> = <a href="#media.types" class="smpl">media-type</a> 
    13071305</pre><p id="rfc.section.5.9.p.3">Media types are defined in <a href="#media.types" title="Media Types">Section&nbsp;2.3</a>. An example of the field is 
     
    14711469         </tr> 
    14721470         <tr> 
    1473             <td class="reference"><b id="RFC1766">[RFC1766]</b></td> 
    1474             <td class="top"><a title="UNINETT">Alvestrand, H.</a>, “<a href="http://tools.ietf.org/html/rfc1766">Tags for the Identification of Languages</a>”, RFC&nbsp;1766, March&nbsp;1995. 
    1475             </td> 
    1476          </tr> 
    1477          <tr> 
    14781471            <td class="reference"><b id="RFC1864">[RFC1864]</b></td> 
    14791472            <td class="top"><a title="Carnegie Mellon University">Myers, J.</a> and <a title="Dover Beach Consulting, Inc.">M. Rose</a>, “<a href="http://tools.ietf.org/html/rfc1864">The Content-MD5 Header Field</a>”, RFC&nbsp;1864, October&nbsp;1995. 
     
    15111504            <td class="reference"><b id="RFC2119">[RFC2119]</b></td> 
    15121505            <td class="top"><a title="Harvard University">Bradner, S.</a>, “<a href="http://tools.ietf.org/html/rfc2119">Key words for use in RFCs to Indicate Requirement Levels</a>”, BCP&nbsp;14, RFC&nbsp;2119, March&nbsp;1997. 
     1506            </td> 
     1507         </tr> 
     1508         <tr> 
     1509            <td class="reference"><b id="RFC4646bis">[RFC4646bis]</b></td> 
     1510            <td class="top"><a title="Lab126">Phillips, A., Ed.</a> and <a title="Google">M. Davis, Ed.</a>, “<a href="http://tools.ietf.org/html/draft-ietf-ltru-4646bis-23">Tags for Identifying Languages</a>”, Internet-Draft&nbsp;draft-ietf-ltru-4646bis-23 (work in progress), June&nbsp;2009. 
    15131511            </td> 
    15141512         </tr> 
     
    16311629         environments. 
    16321630      </p> 
    1633       <div id="rfc.figure.u.35"></div><pre class="inline"><span id="rfc.iref.g.39"></span><span id="rfc.iref.g.40"></span>  <a href="#mime-version" class="smpl">MIME-Version</a>   = "MIME-Version" ":" <a href="#core.rules" class="smpl">OWS</a> <a href="#mime-version" class="smpl">MIME-Version-v</a> 
     1631      <div id="rfc.figure.u.35"></div><pre class="inline"><span id="rfc.iref.g.37"></span><span id="rfc.iref.g.38"></span>  <a href="#mime-version" class="smpl">MIME-Version</a>   = "MIME-Version" ":" <a href="#core.rules" class="smpl">OWS</a> <a href="#mime-version" class="smpl">MIME-Version-v</a> 
    16341632  <a href="#mime-version" class="smpl">MIME-Version-v</a> = 1*<a href="#notation" class="smpl">DIGIT</a> "." 1*<a href="#notation" class="smpl">DIGIT</a> 
    16351633</pre><p id="rfc.section.A.1.p.3">MIME version "1.0" is the default for use in HTTP/1.1. However, HTTP/1.1 message parsing and semantics are defined by this 
     
    16891687         in <a href="#RFC2183" id="rfc.xref.RFC2183.3"><cite title="Communicating Presentation Information in Internet Messages: The Content-Disposition Header Field">[RFC2183]</cite></a>. 
    16901688      </p> 
    1691       <div id="rfc.figure.u.36"></div><pre class="inline"><span id="rfc.iref.g.41"></span><span id="rfc.iref.g.42"></span><span id="rfc.iref.g.43"></span><span id="rfc.iref.g.44"></span><span id="rfc.iref.g.45"></span><span id="rfc.iref.g.46"></span><span id="rfc.iref.g.47"></span>  <a href="#content-disposition" class="smpl">content-disposition</a> = "Content-Disposition" ":" <a href="#core.rules" class="smpl">OWS</a> 
     1689      <div id="rfc.figure.u.36"></div><pre class="inline"><span id="rfc.iref.g.39"></span><span id="rfc.iref.g.40"></span><span id="rfc.iref.g.41"></span><span id="rfc.iref.g.42"></span><span id="rfc.iref.g.43"></span><span id="rfc.iref.g.44"></span><span id="rfc.iref.g.45"></span>  <a href="#content-disposition" class="smpl">content-disposition</a> = "Content-Disposition" ":" <a href="#core.rules" class="smpl">OWS</a> 
    16921690                        <a href="#content-disposition" class="smpl">content-disposition-v</a> 
    16931691  <a href="#content-disposition" class="smpl">content-disposition-v</a> = <a href="#content-disposition" class="smpl">disposition-type</a> 
     
    17951793 
    17961794<a href="#header.accept-language" class="smpl">language-range</a> = &lt;language-range, defined in [RFC4647], Section 2.1&gt; 
    1797 <a href="#language.tags" class="smpl">language-tag</a> = primary-tag *( "-" subtag ) 
     1795<a href="#language.tags" class="smpl">language-tag</a> = &lt;Language-Tag, defined in [RFC4646bis], Section 2.1&gt; 
    17981796 
    17991797<a href="#header.accept" class="smpl">media-range</a> = ( "*/*" / ( type "/*" ) / ( type "/" subtype ) ) *( OWS 
     
    18041802<a href="#rule.parameter" class="smpl">parameter</a> = attribute "=" value 
    18051803<a href="#abnf.dependencies" class="smpl">partial-URI</a> = &lt;partial-URI, defined in [Part1], Section 2.1&gt; 
    1806 <a href="#language.tags" class="smpl">primary-tag</a> = 1*8ALPHA 
    18071804 
    18081805<a href="#core.rules" class="smpl">quoted-string</a> = &lt;quoted-string, defined in [Part1], Section 1.2.2&gt; 
    18091806<a href="#abnf.dependencies" class="smpl">qvalue</a> = &lt;qvalue, defined in [Part1], Section 3.5&gt; 
    18101807 
    1811 <a href="#language.tags" class="smpl">subtag</a> = 1*8ALPHA 
    18121808<a href="#media.types" class="smpl">subtype</a> = token 
    18131809 
     
    18161812 
    18171813<a href="#rule.parameter" class="smpl">value</a> = token / quoted-string 
    1818  
    1819  
    18201814</pre> <div id="rfc.figure.u.39"></div> 
    18211815      <p>ABNF diagnostics:</p><pre class="inline">; Accept defined but not used 
     
    19331927      </ul> 
    19341928      <h2 id="rfc.section.E.9"><a href="#rfc.section.E.9">E.9</a>&nbsp;<a id="changes.since.07" href="#changes.since.07">Since draft-ietf-httpbis-p3-payload-07</a></h2> 
    1935       <p id="rfc.section.E.9.p.1">None.</p> 
     1929      <p id="rfc.section.E.9.p.1">Closed issues: </p> 
     1930      <ul> 
     1931         <li> &lt;<a href="http://www3.tools.ietf.org/wg/httpbis/trac/ticket/13">http://www3.tools.ietf.org/wg/httpbis/trac/ticket/13</a>&gt;: "Updated reference for language tags" 
     1932         </li> 
     1933      </ul> 
    19361934      <h1 id="rfc.index"><a href="#rfc.index">Index</a></h1> 
    19371935      <p class="noprint"><a href="#rfc.index.A">A</a> <a href="#rfc.index.B">B</a> <a href="#rfc.index.C">C</a> <a href="#rfc.index.D">D</a> <a href="#rfc.index.G">G</a> <a href="#rfc.index.H">H</a> <a href="#rfc.index.I">I</a> <a href="#rfc.index.L">L</a> <a href="#rfc.index.M">M</a> <a href="#rfc.index.P">P</a> <a href="#rfc.index.R">R</a> <a href="#rfc.index.U">U</a>  
     
    19721970                  <li class="indline1"><tt>Grammar</tt>&nbsp;&nbsp; 
    19731971                     <ul class="ind"> 
    1974                         <li class="indline1"><tt>Accept</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.16"><b>5.1</b></a></li> 
    1975                         <li class="indline1"><tt>Accept-Charset</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.21"><b>5.2</b></a></li> 
    1976                         <li class="indline1"><tt>Accept-Charset-v</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.22"><b>5.2</b></a></li> 
    1977                         <li class="indline1"><tt>Accept-Encoding</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.23"><b>5.3</b></a></li> 
    1978                         <li class="indline1"><tt>Accept-Encoding-v</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.24"><b>5.3</b></a></li> 
    1979                         <li class="indline1"><tt>accept-ext</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.20"><b>5.1</b></a></li> 
    1980                         <li class="indline1"><tt>Accept-Language</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.26"><b>5.4</b></a></li> 
    1981                         <li class="indline1"><tt>Accept-Language-v</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.27"><b>5.4</b></a></li> 
    1982                         <li class="indline1"><tt>accept-params</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.19"><b>5.1</b></a></li> 
    1983                         <li class="indline1"><tt>Accept-v</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.17"><b>5.1</b></a></li> 
     1972                        <li class="indline1"><tt>Accept</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.14"><b>5.1</b></a></li> 
     1973                        <li class="indline1"><tt>Accept-Charset</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.19"><b>5.2</b></a></li> 
     1974                        <li class="indline1"><tt>Accept-Charset-v</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.20"><b>5.2</b></a></li> 
     1975                        <li class="indline1"><tt>Accept-Encoding</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.21"><b>5.3</b></a></li> 
     1976                        <li class="indline1"><tt>Accept-Encoding-v</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.22"><b>5.3</b></a></li> 
     1977                        <li class="indline1"><tt>accept-ext</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.18"><b>5.1</b></a></li> 
     1978                        <li class="indline1"><tt>Accept-Language</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.24"><b>5.4</b></a></li> 
     1979                        <li class="indline1"><tt>Accept-Language-v</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.25"><b>5.4</b></a></li> 
     1980                        <li class="indline1"><tt>accept-params</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.17"><b>5.1</b></a></li> 
     1981                        <li class="indline1"><tt>Accept-v</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.15"><b>5.1</b></a></li> 
    19841982                        <li class="indline1"><tt>attribute</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.8"><b>2.3</b></a></li> 
    19851983                        <li class="indline1"><tt>charset</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.1"><b>2.1</b></a></li> 
    1986                         <li class="indline1"><tt>codings</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.25"><b>5.3</b></a></li> 
     1984                        <li class="indline1"><tt>codings</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.23"><b>5.3</b></a></li> 
    19871985                        <li class="indline1"><tt>content-coding</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.2"><b>2.2</b></a></li> 
    1988                         <li class="indline1"><tt>content-disposition</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.41"><b>B.1</b></a></li> 
    1989                         <li class="indline1"><tt>content-disposition-v</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.42"><b>B.1</b></a></li> 
    1990                         <li class="indline1"><tt>Content-Encoding</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.29"><b>5.5</b></a></li> 
    1991                         <li class="indline1"><tt>Content-Encoding-v</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.30"><b>5.5</b></a></li> 
    1992                         <li class="indline1"><tt>Content-Language</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.31"><b>5.6</b></a></li> 
    1993                         <li class="indline1"><tt>Content-Language-v</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.32"><b>5.6</b></a></li> 
    1994                         <li class="indline1"><tt>Content-Location</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.33"><b>5.7</b></a></li> 
    1995                         <li class="indline1"><tt>Content-Location-v</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.34"><b>5.7</b></a></li> 
    1996                         <li class="indline1"><tt>Content-MD5</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.35"><b>5.8</b></a></li> 
    1997                         <li class="indline1"><tt>Content-MD5-v</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.36"><b>5.8</b></a></li> 
    1998                         <li class="indline1"><tt>Content-Type</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.37"><b>5.9</b></a></li> 
    1999                         <li class="indline1"><tt>Content-Type-v</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.38"><b>5.9</b></a></li> 
    2000                         <li class="indline1"><tt>disp-extension-parm</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.47"><b>B.1</b></a></li> 
    2001                         <li class="indline1"><tt>disp-extension-token</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.46"><b>B.1</b></a></li> 
    2002                         <li class="indline1"><tt>disposition-parm</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.44"><b>B.1</b></a></li> 
    2003                         <li class="indline1"><tt>disposition-type</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.43"><b>B.1</b></a></li> 
    2004                         <li class="indline1"><tt>entity-body</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.15"><b>3.2</b></a></li> 
    2005                         <li class="indline1"><tt>entity-header</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.13"><b>3.1</b></a></li> 
    2006                         <li class="indline1"><tt>extension-header</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.14"><b>3.1</b></a></li> 
    2007                         <li class="indline1"><tt>filename-parm</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.45"><b>B.1</b></a></li> 
    2008                         <li class="indline1"><tt>language-range</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.28"><b>5.4</b></a></li> 
     1986                        <li class="indline1"><tt>content-disposition</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.39"><b>B.1</b></a></li> 
     1987                        <li class="indline1"><tt>content-disposition-v</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.40"><b>B.1</b></a></li> 
     1988                        <li class="indline1"><tt>Content-Encoding</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.27"><b>5.5</b></a></li> 
     1989                        <li class="indline1"><tt>Content-Encoding-v</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.28"><b>5.5</b></a></li> 
     1990                        <li class="indline1"><tt>Content-Language</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.29"><b>5.6</b></a></li> 
     1991                        <li class="indline1"><tt>Content-Language-v</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.30"><b>5.6</b></a></li> 
     1992                        <li class="indline1"><tt>Content-Location</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.31"><b>5.7</b></a></li> 
     1993                        <li class="indline1"><tt>Content-Location-v</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.32"><b>5.7</b></a></li> 
     1994                        <li class="indline1"><tt>Content-MD5</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.33"><b>5.8</b></a></li> 
     1995                        <li class="indline1"><tt>Content-MD5-v</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.34"><b>5.8</b></a></li> 
     1996                        <li class="indline1"><tt>Content-Type</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.35"><b>5.9</b></a></li> 
     1997                        <li class="indline1"><tt>Content-Type-v</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.36"><b>5.9</b></a></li> 
     1998                        <li class="indline1"><tt>disp-extension-parm</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.45"><b>B.1</b></a></li> 
     1999                        <li class="indline1"><tt>disp-extension-token</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.44"><b>B.1</b></a></li> 
     2000                        <li class="indline1"><tt>disposition-parm</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.42"><b>B.1</b></a></li> 
     2001                        <li class="indline1"><tt>disposition-type</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.41"><b>B.1</b></a></li> 
     2002                        <li class="indline1"><tt>entity-body</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.13"><b>3.2</b></a></li> 
     2003                        <li class="indline1"><tt>entity-header</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.11"><b>3.1</b></a></li> 
     2004                        <li class="indline1"><tt>extension-header</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.12"><b>3.1</b></a></li> 
     2005                        <li class="indline1"><tt>filename-parm</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.43"><b>B.1</b></a></li> 
     2006                        <li class="indline1"><tt>language-range</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.26"><b>5.4</b></a></li> 
    20092007                        <li class="indline1"><tt>language-tag</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.10"><b>2.4</b></a></li> 
    2010                         <li class="indline1"><tt>media-range</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.18"><b>5.1</b></a></li> 
     2008                        <li class="indline1"><tt>media-range</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.16"><b>5.1</b></a></li> 
    20112009                        <li class="indline1"><tt>media-type</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.4"><b>2.3</b></a></li> 
    2012                         <li class="indline1"><tt>MIME-Version</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.39"><b>A.1</b></a></li> 
    2013                         <li class="indline1"><tt>MIME-Version-v</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.40"><b>A.1</b></a></li> 
     2010                        <li class="indline1"><tt>MIME-Version</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.37"><b>A.1</b></a></li> 
     2011                        <li class="indline1"><tt>MIME-Version-v</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.38"><b>A.1</b></a></li> 
    20142012                        <li class="indline1"><tt>parameter</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.7"><b>2.3</b></a></li> 
    2015                         <li class="indline1"><tt>primary-tag</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.11"><b>2.4</b></a></li> 
    2016                         <li class="indline1"><tt>subtag</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.12"><b>2.4</b></a></li> 
    20172013                        <li class="indline1"><tt>subtype</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.6"><b>2.3</b></a></li> 
    20182014                        <li class="indline1"><tt>type</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.5"><b>2.3</b></a></li> 
     
    20982094            </li> 
    20992095            <li class="indline0"><a id="rfc.index.R" href="#rfc.index.R"><b>R</b></a><ul class="ind"> 
    2100                   <li class="indline1"><em>RFC1766</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC1766.1">2.4</a>, <a class="iref" href="#RFC1766"><b>9.1</b></a></li> 
    21012096                  <li class="indline1"><em>RFC1864</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC1864.1">5.8</a>, <a class="iref" href="#rfc.xref.RFC1864.2">5.8</a>, <a class="iref" href="#RFC1864"><b>9.1</b></a></li> 
    21022097                  <li class="indline1"><em>RFC1945</em>&nbsp;&nbsp;<a class="iref" href="#RFC1945"><b>9.2</b></a>, <a class="iref" href="#rfc.xref.RFC1945.1">B</a></li> 
     
    21312126                  <li class="indline1"><em>RFC3864</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC3864.1">6.1</a>, <a class="iref" href="#RFC3864"><b>9.2</b></a></li> 
    21322127                  <li class="indline1"><em>RFC4288</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC4288.1">2.3</a>, <a class="iref" href="#RFC4288"><b>9.2</b></a></li> 
     2128                  <li class="indline1"><em>RFC4646bis</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC4646bis.1">2.4</a>, <a class="iref" href="#rfc.xref.RFC4646bis.2">2.4</a>, <a class="iref" href="#rfc.xref.RFC4646bis.3">2.4</a>, <a class="iref" href="#RFC4646bis"><b>9.1</b></a><ul class="ind"> 
     2129                        <li class="indline1"><em>Section 2.1</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC4646bis.2">2.4</a></li> 
     2130                     </ul> 
     2131                  </li> 
    21332132                  <li class="indline1"><em>RFC4647</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC4647.1">5.4</a>, <a class="iref" href="#rfc.xref.RFC4647.2">5.4</a>, <a class="iref" href="#RFC4647"><b>9.1</b></a><ul class="ind"> 
    21342133                        <li class="indline1"><em>Section 2.1</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC4647.1">5.4</a></li> 
  • draft-ietf-httpbis/latest/p3-payload.xml

    r609 r613  
    617617<section title="Language Tags" anchor="language.tags"> 
    618618  <x:anchor-alias value="language-tag"/> 
    619   <x:anchor-alias value="primary-tag"/> 
    620   <x:anchor-alias value="subtag"/> 
    621 <t> 
    622    A language tag identifies a natural language spoken, written, or 
    623    otherwise conveyed by human beings for communication of information 
    624    to other human beings. Computer languages are explicitly excluded. 
    625    HTTP uses language tags within the Accept-Language and Content-Language 
    626    fields. 
    627 </t> 
    628 <t> 
    629    The syntax and registry of HTTP language tags is the same as that 
    630    defined by <xref target="RFC1766"/>. In summary, a language tag is composed of 1 
    631    or more parts: A primary language tag and a possibly empty series of 
    632    subtags: 
    633 </t> 
    634 <figure><artwork type="abnf2616"><iref primary="true" item="Grammar" subitem="language-tag"/><iref primary="true" item="Grammar" subitem="primary-tag"/><iref primary="true" item="Grammar" subitem="subtag"/> 
    635   <x:ref>language-tag</x:ref>  = <x:ref>primary-tag</x:ref> *( "-" <x:ref>subtag</x:ref> ) 
    636   <x:ref>primary-tag</x:ref>   = 1*8<x:ref>ALPHA</x:ref> 
    637   <x:ref>subtag</x:ref>        = 1*8<x:ref>ALPHA</x:ref> 
     619<t> 
     620   A language tag, as defined in <xref target="RFC4646bis"/>, identifies a 
     621   natural language spoken, written, or otherwise conveyed by human beings for 
     622   communication of information to other human beings. Computer languages are 
     623   explicitly excluded. HTTP uses language tags within the Accept-Language and 
     624   Content-Language fields. 
     625</t> 
     626<t> 
     627   In summary, a language tag is composed of one or more parts: A primary 
     628   language subtag followed by a possibly empty series of subtags: 
     629</t> 
     630<figure><artwork type="abnf2616"><iref primary="true" item="Grammar" subitem="language-tag"/> 
     631  <x:ref>language-tag</x:ref> = &lt;Language-Tag, defined in <xref target="RFC4646bis" x:sec="2.1"/>&gt; 
    638632</artwork></figure> 
    639633<t> 
    640634   White space is not allowed within the tag and all tags are case-insensitive. 
    641    The name space of language tags is administered by the 
    642    IANA. Example tags include: 
    643 </t> 
    644 <figure><artwork type="example"> 
    645   en, en-US, en-cockney, i-cherokee, x-pig-latin 
    646 </artwork></figure> 
    647 <t> 
    648    where any two-letter primary-tag is an ISO-639 language abbreviation 
    649    and any two-letter initial subtag is an ISO-3166 country code. (The 
    650    last three tags above are not registered tags; all but the last are 
    651    examples of tags which could be registered in future.) 
     635   The name space of language subtags is administered by the IANA (see 
     636   <eref target="http://www.iana.org/assignments/language-subtag-registry"/>). 
     637</t> 
     638<figure> 
     639  <preamble>Example tags include:</preamble> 
     640<artwork type="example"> 
     641  en, en-US, es-419, az-Arab, x-pig-latin, man-Nkoo-GN 
     642</artwork> 
     643</figure> 
     644<t> 
     645   See <xref target="RFC4646bis"/> for further information.  
    652646</t> 
    653647</section> 
     
    19421936</reference> 
    19431937 
    1944 <reference anchor="RFC1766"> 
    1945   <front> 
    1946     <title abbrev="Language Tag">Tags for the Identification of Languages</title> 
    1947     <author initials="H." surname="Alvestrand" fullname="Harald Tveit Alvestrand"> 
    1948       <organization>UNINETT</organization> 
    1949       <address><email>Harald.T.Alvestrand@uninett.no</email></address> 
    1950     </author> 
    1951     <date month="March" year="1995"/> 
    1952   </front> 
    1953   <seriesInfo name="RFC" value="1766"/> 
    1954 </reference> 
    1955  
    19561938<reference anchor="RFC1864"> 
    19571939  <front> 
     
    21382120  <seriesInfo name="STD" value="68"/> 
    21392121  <seriesInfo name="RFC" value="5234"/> 
     2122</reference> 
     2123 
     2124<reference anchor='RFC4646bis'> 
     2125  <front> 
     2126    <title>Tags for Identifying Languages</title> 
     2127    <author initials='A.' surname='Phillips' fullname='Addison Phillips' role='editor'> 
     2128      <organization>Lab126</organization> 
     2129      <address><email>addison@inter-locale.com</email></address> 
     2130    </author> 
     2131    <author initials='M.' surname='Davis' fullname='Mark Davis' role='editor'> 
     2132      <organization>Google</organization> 
     2133      <address><email>mark.davis@google.com</email></address> 
     2134    </author> 
     2135    <date month='June' day='11' year='2009' /> 
     2136  </front> 
     2137  <seriesInfo name='Internet-Draft' value='draft-ietf-ltru-4646bis-23' /> 
    21402138</reference> 
    21412139 
     
    27362734 
    27372735<x:ref>language-range</x:ref> = &lt;language-range, defined in [RFC4647], Section 2.1&gt; 
    2738 <x:ref>language-tag</x:ref> = primary-tag *( "-" subtag ) 
     2736<x:ref>language-tag</x:ref> = &lt;Language-Tag, defined in [RFC4646bis], Section 2.1&gt; 
    27392737 
    27402738<x:ref>media-range</x:ref> = ( "*/*" / ( type "/*" ) / ( type "/" subtype ) ) *( OWS 
     
    27452743<x:ref>parameter</x:ref> = attribute "=" value 
    27462744<x:ref>partial-URI</x:ref> = &lt;partial-URI, defined in [Part1], Section 2.1&gt; 
    2747 <x:ref>primary-tag</x:ref> = 1*8ALPHA 
    27482745 
    27492746<x:ref>quoted-string</x:ref> = &lt;quoted-string, defined in [Part1], Section 1.2.2&gt; 
    27502747<x:ref>qvalue</x:ref> = &lt;qvalue, defined in [Part1], Section 3.5&gt; 
    27512748 
    2752 <x:ref>subtag</x:ref> = 1*8ALPHA 
    27532749<x:ref>subtype</x:ref> = token 
    27542750 
     
    27572753 
    27582754<x:ref>value</x:ref> = token / quoted-string 
    2759  
    2760  
    27612755</artwork> 
    27622756</figure> 
     
    29792973<section title="Since draft-ietf-httpbis-p3-payload-07" anchor="changes.since.07"> 
    29802974<t> 
    2981   None. 
     2975  Closed issues: 
     2976  <list style="symbols">  
     2977    <t> 
     2978      <eref target="http://www3.tools.ietf.org/wg/httpbis/trac/ticket/13"/>: 
     2979      "Updated reference for language tags" 
     2980    </t> 
     2981  </list> 
    29822982</t> 
    29832983</section> 
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