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1 wakaba 1.1 <!DOCTYPE html>
2     <html lang="en" class="formal-specification status-work-in-progress">
3     <head>
4     <title>Auto-Discovery Auto-Discovery Specification</title>
5     <link rel="stylesheet" href="http://suika.fam.cx/www/style/html/spec.css">
6     <link rel="license" href="http://suika.fam.cx/c/gnu/fdl">
7     </head>
8     <body class="has-abstract">
9    
10     <div class="header">
11     <h1>Auto-Discovery Auto-Discovery Specification</h1>
12 wakaba 1.3 <h2>Working Draft 7 April 2007</h2>
13 wakaba 1.1
14     <dl class="versions-uri">
15     <dt>This Version</dt>
16     <dd><code class="URI">&lt;<a href="http://suika.fam.cx/www/2006/auto-discovery"
17     >http://suika.fam.cx/www/2006/auto-discovery</a>&gt;</code></dd>
18     <dt>Latest Version</dt>
19     <dd><code class="URI">&lt;<a href="http://suika.fam.cx/www/2006/auto-discovery"
20     >http://suika.fam.cx/www/2006/auto-discovery</a>&gt;</code></dd>
21     <!--
22     <dt>Latest Working Draft</dt>
23     <dd><code class="URI">&lt;<a href="http://suika.fam.cx/www/2006/auto-discovery"
24     >http://suika.fam.cx/www/2006/auto-discovery</a>&gt;</code></dd>
25     -->
26     <!-- <dt>Previous Version</dt> -->
27     </dl>
28 wakaba 1.3 <dl class="authors" id="author">
29 wakaba 1.1 <dt>Author</dt>
30     <dd><a href="http://suika.fam.cx/~wakaba/who?" rel="author">Wakaba</a>
31     <code class="mail">&lt;<a href="mailto:w@suika.fam.cx" rel="author"
32     >w@suika.fam.cx</a>&gt;</code></dd>
33     </dl>
34    
35 wakaba 1.3 <p class="copyright" lang="en">&#xA9; 2006, 2007 <a
36 wakaba 1.1 href="http://suika.fam.cx/~wakaba/who?" rel="author">Wakaba</a>.
37     Permission is granted to copy, distribute and/or modify this document
38     under the terms of the <a rel="license"
39     href="http://www.gnu.org/copyleft/fdl.html">GNU Free Documentation License</a>,
40     Version 1.2
41     or any later version published by the <a
42     href="http://www.fsf.org/">Free Software Foundation</a>;
43     with no Invariant Sections, no Front$B!>(BCover Texts, and no Back$B!>(BCover
44     Texts. A copy of the license is
45     available at <code class="URI">&lt;<a
46     href="http://www.gnu.org/copyleft/fdl.html"
47     rel="license">http://www.gnu.org/copyleft/fdl.html</a>&gt;</code>.</p>
48     </div>
49    
50     <div id="abstract" class="section">
51     <h2>Abstract</h2>
52    
53     <div class="ed issue">...</div>
54    
55     </div>
56    
57     <div id="status" class="section">
58     <h2>Status of This Document</h2>
59    
60 wakaba 1.3 <p><em>This section describes the status of this document
61     at the time of its publication. Other documents
62     might supersede this document.</em></p>
63    
64     <div class="ed issue"><p><em>Oops, it's too late for the April
65     Fool!</em></p></div>
66    
67     <p>This document is a working draft.
68     It might be updated, replaced, or obsoleted by
69     other documents at any time. It is inappropriate to
70     cite this document as other than <q>work in progress</q>.</p>
71    
72     <p>Comments on this document are welcome and
73     may be sent to the <a href="#author">author</a>.</p>
74    
75     <p>Translations of thie document might be available.
76     The English version of the document is the only
77     normative version.</p>
78 wakaba 1.1 </div>
79    
80     <div id="introduction" class="section">
81     <h2>Introduction</h2>
82    
83 wakaba 1.2 <p>Recently, a number of auto-discovery conventions
84     are proposed and implemented in various Web browsers
85     and so-called <q>Web 2.0</q> services. They provide
86     means to extract links to resources (or other useful
87     information) from Web documents in somewhat reliable
88     ways. However, the syntax of these techniques
89     vary and the implementators have to add specific
90     code for each auto-discovery technique.</p>
91    
92     <p>The <dfn id="DT-autodiscovery-autodiscovery">Auto-Discovery
93     Auto-Discovery</dfn> is a mechanism to discover
94     auto-discovery element that contains links (or
95     other information) for auto-discovery techniques.
96     With the Auto-Discovery Auto-Discovery, user agents
97     can detect auto-discovery elements without any
98     particular knowledge to a specific auto-discovery
99     technique.</p>
100 wakaba 1.1
101     </div>
102    
103 wakaba 1.2 <div class="section" id="terminology">
104     <h2>Terminology</h2>
105    
106     <p>The key words <q><em class="rfc2119">MUST</em></q>,
107     <q><em class="rfc2119">MUST NOT</em></q>,
108     <q><em class="rfc2119">SHOULD</em></q>, and
109     <q><em class="rfc2119">SHOULD NOT</em></q> in this
110 wakaba 1.3 document are to be interpreted as described in
111     <abbr title="Request for Comments">RFC</abbr> 2119
112 wakaba 1.2 <cite class="bibref normative">[<a href="#ref-KEYWORDS">KEYWORDS</a>]</cite>.</p>
113 wakaba 1.1 </div>
114    
115 wakaba 1.2 <div class="section" id="for-authors">
116     <h2>Embeding Auto-Discovery Auto-Discovery Link</h2>
117 wakaba 1.1
118     <p>An <dfn id="DT-autodiscovery-autodiscovery-link">Auto-Discovery
119     Auto-Discovery link</dfn> is a hyperlink to
120 wakaba 1.2 an auto-discovery element.
121 wakaba 1.1 The <dfn id="DT-referenced-element">referenced element</dfn>
122 wakaba 1.2 is the outermost element for the auto-discovery.</p>
123 wakaba 1.1
124     <p>The <dfn id="DT-referencing-element">referencing element</dfn>
125     is the element representing an <a
126     href="#DT-autodiscovery-autodiscovery-link">Auto-Discovery
127     Auto-Discovery link</a>.</p>
128    
129 wakaba 1.2 <!--
130 wakaba 1.1 <p>The <a href="#DT-referenced-element">referenced element</a>
131     <em class="rfc2119">MUST</em> have an
132 wakaba 1.2 <code>ID</code> attribute.</p>
133    
134     <div class="note memo">
135     <p>In HTML, the <code class="HTMLa">id</code> attribute
136     is an <code>ID</code> attribute. In XML, the
137     <code class="XMLa">xml:id</code> attribute may be used.</p>
138     </div>
139     -->
140 wakaba 1.1
141     <p>The <a href="#DT-referencing-element">referencing element</a>
142     <em class="rfc2119">MUST</em> be a <code class="HTMLe">link</code>
143     element in the <code class="URI">http://www.w3.org/1999/xhtml</code>
144     namespace.</p>
145    
146     <p>The <a href="#DT-referencing-element">referencing element</a>
147 wakaba 1.3 <em class="rfc2119">MUST</em> have the <code class="HTMLa">rel</code>
148 wakaba 1.1 attribute which contains <code class="HTML">meta</code>
149 wakaba 1.3 as its only link relationship value.</p>
150 wakaba 1.1
151     <p>The <a href="#DT-referencing-element">referencing element</a>
152 wakaba 1.3 <em class="rfc2119">MUST</em> have the <code class="HTMLa">href</code>
153 wakaba 1.1 attribute whose value is a same-document IRI reference
154     <cite class="bibref normative">[<a href="#ref-IRI">IRI</a>]</cite>
155 wakaba 1.3 referencing a <a href="#DT-referenced-element">referenced
156     element</a> within the same document. The
157 wakaba 1.1 <a href="#DT-referenced-element">referenced element</a>
158 wakaba 1.3 <em class="rfc2119">MUST NOT</em> be a
159     <a href="#DT-referencing-element">referencing element</a>.</p>
160 wakaba 1.1
161     <div class="issue ed">
162     <p>Ensure that <q>same-document IRI reference</q>
163     is a defined term.</p>
164     </div>
165    
166 wakaba 1.3 <div class="note memo">
167     <p>The <a href="#DT-referencing-element">referencing element</a>
168     might have any other attributes as defined in relavant specifications.
169     For example, a <a href="#DT-referencing-element">referencing element</a>
170     that points a <a href="#DT-referenced-element">referenced element</a>
171     which only applied to specific media might have the
172     <code class="HTMLa">media</code> attribute specified.</p>
173     </div>
174 wakaba 1.2
175     <div class="note memo">
176 wakaba 1.3 <p>It is necessary for a <a href="#DT-referencing-element">referencing
177     element</a> to be inserted to the position where it is allowed.
178     For example, no elements in the HTML namespace other than
179     <code class="HTMLe">head</code> is allowed to contain
180     <code class="HTMLe">link</code> elements
181     <cite class="bibref normative">[<a href="#ref-HTML5">HTML5</a>]</cite>.</p>
182    
183     <p>Note also that <a href="#DT-referencing-element">referencing element</a>s
184     might appear in non-HTML documents. For example, they might
185     be used in the <code class="XMLe">rss</code> element
186     of an <abbr>RSS</abbr> feed document.</p>
187 wakaba 1.2 </div>
188    
189     </div>
190    
191     </div>
192    
193     <div class="section" id="for-ua">
194     <h2>Auto-Discovering Auto-Discovery Elements</h2>
195    
196 wakaba 1.1 <div class="ed">...</div>
197    
198     </div>
199    
200 wakaba 1.2 <div class="section" id="examples">
201     <h2>Examples</h2>
202    
203     <p>This section is <em>informative</em>.</p>
204    
205     <div class="ed issue">...</div>
206    
207     <div class="example figure block">
208     <div class="caption">Auto-Discovery Auto-Discovery
209     for TrackBack Auto-Discovery</div>
210    
211     <pre><code class="HTML">
212     &lt;rdf:RDF
213     xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
214     xmlns:dc="http://purl.org/dc/elements/1.1/"
215     xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/"
216     xml:id="trackback">
217     &lt;rdf:Description
218     rdf:about="http://www.foo.example/archive.html#foo"
219     dc:identifier="http://www.foo.example/archive.html#foo"
220     dc:title="Foo Bar"
221     trackback:ping="http://www.foo.example/tb.cgi/5" />
222     &lt;/rdf:RDF>
223     &lt;link rel="meta" href="#trackback">
224     </code></pre>
225     </div>
226    
227     <div class="example figure block">
228     <div class="caption">Auto-Discovery Auto-Discovery
229     for Atom Auto-Discovery</div>
230    
231     <pre><code class="HTML">
232     &lt;link rel="meta" href="#atom">
233     &lt;link id="atom" rel="feed" href="feed.atom" type="application/atom+xml">
234     </code></pre>
235 wakaba 1.1 </div>
236    
237     </div>
238    
239     <div id="references" class="section reference">
240     <h2>References</h1>
241    
242     <div id="normative-references" class="section normative reference">
243     <h3>Normative References</h3>
244    
245     <dl>
246     <dt id="ref-HTML5">HTML5</dt>
247 wakaba 1.3 <dd><a href="http://www.whatwg.org/specs/web-apps/current-work/"><cite>Web
248     Applications 1.0</cite></a>,
249     <abbr title="Web Hypertext Application Technology Working Group">WHATWG</abbr>
250     Working Draft. Work in progress. Latest version of the specification
251     is referenced.</dd>
252 wakaba 1.1 <dt id="ref-IRI">IRI</dt>
253 wakaba 1.3 <dd class="ed">RFC 3987. The exact version of the specification
254     is referenced.</dd>
255 wakaba 1.2 <dt id="ref-KEYWORDS">KEYWORDS</dt>
256 wakaba 1.3 <dd class="ed">RFC 2119. The exact version of the specification
257     is referenced.</dd>
258 wakaba 1.1 </dl>
259     </div>
260    
261     <div id="informative-references" class="section informative reference">
262     <h3>Informative References</h3>
263    
264     <dl>
265     <dt id="ref-ACCOUNTAUTODISCOVERY">ACOUNTAUTODISCOVERY</dt>
266     <dd class="ed">...</dd>
267     <dt id="ref-ATOMAUTODISCOVERY">ATOMAUTODISCOVERY</dt>
268     <dd class="ed">I-D</dd>
269 wakaba 1.3 <dt id="ref-COMMENTAPI">COMMENTAPI</dt>
270     <dd><cite><a href="http://wellformedweb.org/story/9"
271     >The Comment API</a></cite>,
272     <cite>The Well-Formed Web</cite>, BitWorking, Inc,
273     <time title="2003-01-17">17 January 2003</time>.</dd>
274 wakaba 1.1 <dt id="ref-FEEDAUTODISCOVERY">FEEDAUTODISCOVERY</dt>
275     <dd class="ed">wiki</dd>
276     <dt id="ref-FOAFAUTODISCOVERY">FOAFAUTODISCOVERY</dt>
277     <dd class="ed">...</dd>
278     <dt id="ref-MOBILEAUTODISCOVERY">MOBILEAUTODISCOVERY</dt>
279     <dd class="ed">...</dd>
280 wakaba 1.3 <dt id="ref-OPMLAUTO">OPMLAUTO</dt>
281     <dd><cite><a href="http://www.cleverclogs.org/2006/10/opml_autodiscov.html"
282     >OPML Auto-discovery Bookmarklet</a></cite>,
283     <cite>CleverClogs</cite>, Marjolein Hoekstra, 15 October 2006.</dd>
284 wakaba 1.1 <dt id="ref-PINGBACK">PINGBACK</dt>
285     <dd class="ed">...</dd>
286 wakaba 1.3 <dt id="ref-RSSAUTO">RSSAUTO</dt>
287     <dd><cite><a
288     href="http://diveintomark.org/archives/2002/05/30/rss_autodiscovery"
289     >RSS auto-discovery</a></cite>,
290     <cite>dive into mark</cite>, Mark Pilgrim, 30 May 2002.</dd>
291     <dd><cite><a
292     href="http://diveintomark.org/archives/2002/06/02/important_change_to_the_link_tag"
293     >Important change to the LINK tag</a></cite>,
294     <cite>dive into mark</cite>, Mark Pilgrim, 2 June 2002.</dd>
295 wakaba 1.1 <dt id="ref-TRACKBACK">TRACKBACK</dt>
296 wakaba 1.3 <dd><cite><a
297     href="http://www.sixapart.com/pronet/docs/trackback_spec"
298     >TrackBack Technical Specification</a></cite>,
299     Six Apart, Version 1.2, 1 August 2004.</dd>
300 wakaba 1.1 <dt id="ref-WIDGETS">WIDGETS</dt>
301     <dd class="ed">...</dd>
302 wakaba 1.2 <dt id="ref-XMLID">XMLID</dt>
303     <dd class="ed">xml:id</dd>
304 wakaba 1.1 </dl>
305     </div>
306    
307     </div>
308    
309     </body>
310     </html>

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