Changeset 2323 for draft-ietf-httpbis/latest/p2-semantics.html

Timestamp:

Jul 29, 2013, 12:54:43 PM (6 years ago)

Author:

fielding@…

Message:

improve the description of language tags to be closer to what is defined by RFC5646; updates [2293] which addresses #456

File:

• draft-ietf-httpbis/latest/p2-semantics.html (modified) (5 diffs)

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

@@ -449 +449 @@
   }
   @bottom-center {
-       content: "Expires January 29, 2014";
+       content: "Expires January 30, 2014";
   }
   @bottom-right {
@@ -494 +494 @@
       <meta name="dct.creator" content="Reschke, J. F.">
       <meta name="dct.identifier" content="urn:ietf:id:draft-ietf-httpbis-p2-semantics-latest">
-      <meta name="dct.issued" scheme="ISO8601" content="2013-07-28">
+      <meta name="dct.issued" scheme="ISO8601" content="2013-07-29">
       <meta name="dct.replaces" content="urn:ietf:rfc:2616">
       <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.">
@@ -522 +522 @@
             <tr>
                <td class="left">Intended status: Standards Track</td>
-               <td class="right">July 28, 2013</td>
+               <td class="right">July 29, 2013</td>
             </tr>
             <tr>
-               <td class="left">Expires: January 29, 2014</td>
+               <td class="left">Expires: January 30, 2014</td>
                <td class="right"></td>
             </tr>
@@ -553 +553 @@
          in progress”.
       </p>
-      <p>This Internet-Draft will expire on January 29, 2014.</p>
+      <p>This Internet-Draft will expire on January 30, 2014.</p>
       <h1><a id="rfc.copyrightnotice" href="#rfc.copyrightnotice">Copyright Notice</a></h1>
       <p>Copyright © 2013 IETF Trust and the persons identified as the document authors. All rights reserved.</p>
@@ -1026 +1026 @@
       <h4 id="rfc.section.3.1.3.1"><a href="#rfc.section.3.1.3.1">3.1.3.1</a>&nbsp;<a id="language.tags" href="#language.tags">Language Tags</a></h4>
       <p id="rfc.section.3.1.3.1.p.1">A language tag, as defined in <a href="#RFC5646" id="rfc.xref.RFC5646.1"><cite title="Tags for Identifying Languages">[RFC5646]</cite></a>, identifies a natural language spoken, written, or otherwise conveyed by human beings for communication of information to
-         other human beings. Computer languages are explicitly excluded. HTTP uses language tags within the <a href="#header.accept-language" class="smpl">Accept-Language</a> and <a href="#header.content-language" class="smpl">Content-Language</a> header fields.
-      </p>
-      <p id="rfc.section.3.1.3.1.p.2"><a href="#header.accept-language" class="smpl">Accept-Language</a> uses the looser language-range production defined in <a href="#header.accept-language" id="rfc.xref.header.accept-language.1" title="Accept-Language">Section&nbsp;5.3.5</a>, whereas <a href="#header.content-language" class="smpl">Content-Language</a> uses the stricter language-tag production defined below.
+         other human beings. Computer languages are explicitly excluded.
+      </p>
+      <p id="rfc.section.3.1.3.1.p.2">HTTP uses language tags within the <a href="#header.accept-language" class="smpl">Accept-Language</a> and <a href="#header.content-language" class="smpl">Content-Language</a> header fields. <a href="#header.accept-language" class="smpl">Accept-Language</a> uses the broader language-range production defined in <a href="#header.accept-language" id="rfc.xref.header.accept-language.1" title="Accept-Language">Section&nbsp;5.3.5</a>, whereas <a href="#header.content-language" class="smpl">Content-Language</a> uses the language-tag production defined below.
       </p>
       <div id="rfc.figure.u.10"></div><pre class="inline"><span id="rfc.iref.g.12"></span>  <a href="#language.tags" class="smpl">language-tag</a> = &lt;Language-Tag, defined in <a href="#RFC5646" id="rfc.xref.RFC5646.2"><cite title="Tags for Identifying Languages">[RFC5646]</cite></a>, <a href="http://tools.ietf.org/html/rfc5646#section-2.1">Section 2.1</a>&gt;
-</pre><p id="rfc.section.3.1.3.1.p.4">A language tag is composed of one or more parts: a primary language subtag followed by a possibly empty series of subtags.
-         White space is not allowed within the tag and all tags are case-insensitive. Example tags include:
-      </p>
-      <div id="rfc.figure.u.11"></div><pre class="text">  en, en-US, es-419, az-Arab, x-pig-latin, man-Nkoo-GN
+</pre><p id="rfc.section.3.1.3.1.p.4">A language tag is a sequence of one or more case-insensitive subtags, each separated by a hyphen character ("-", %x2D). In
+         most cases, a language tag consists of a primary language subtag that identifies a broad family of related languages (e.g.,
+         "en" = English) which is optionally followed by a series of subtags that refine or narrow that language's range (e.g., "en-CA"
+         = the variety of English as communicated in Canada). Whitespace is not allowed within a language tag. Example tags include:
+      </p>
+      <div id="rfc.figure.u.11"></div><pre class="text">  fr, en-US, es-419, az-Arab, x-pig-latin, man-Nkoo-GN
 </pre><p id="rfc.section.3.1.3.1.p.6">See <a href="#RFC5646" id="rfc.xref.RFC5646.3"><cite title="Tags for Identifying Languages">[RFC5646]</cite></a> for further information.
       </p>