- From: poot <cvsmail@w3.org>
- Date: Sun, 14 Jun 2009 09:21:29 +0900 (JST)
- To: public-html-diffs@w3.org
Strip the URLs section out now that DanC is editing the Web Addresses
draft. (whatwg r3245)
http://dev.w3.org/cvsweb/html5/spec/Overview.html?r1=1.2392&r2=1.2393&f=h
http://html5.org/tools/web-apps-tracker?from=3244&to=3245
===================================================================
RCS file: /sources/public/html5/spec/Overview.html,v
retrieving revision 1.2392
retrieving revision 1.2393
diff -u -d -r1.2392 -r1.2393
--- Overview.html 13 Jun 2009 23:51:38 -0000 1.2392
+++ Overview.html 14 Jun 2009 00:21:09 -0000 1.2393
@@ -152,7 +152,7 @@
<h2 class="no-num no-toc" id="a-vocabulary-and-associated-apis-for-html-and-xhtml">A vocabulary and associated APIs for HTML and XHTML</h2>
<!--ZZZ:-->
<!--<h2 class="no-num no-toc">W3C Working Draft 23 April 2009</h2>-->
- <h2 class="no-num no-toc" id="editor-s-draft-date-1-january-1970">Editor's Draft 13 June 2009</h2>
+ <h2 class="no-num no-toc" id="editor-s-draft-date-1-january-1970">Editor's Draft 14 June 2009</h2>
<!--:ZZZ-->
<dl><!-- ZZZ: update the month/day (twice), (un)comment out
<dt>This Version:</dt>
@@ -245,7 +245,7 @@
track.
<!--ZZZ:-->
<!--This specification is the 23 April 2009 Working Draft.-->
- This specification is the 13 June 2009 Editor's Draft.
+ This specification is the 14 June 2009 Editor's Draft.
<!--:ZZZ-->
</p><!-- UNDER NO CIRCUMSTANCES IS THE PRECEDING PARAGRAPH TO BE REMOVED OR EDITED WITHOUT TALKING TO IAN FIRST --><!-- relationship to other work (required) --><p>This specification is also being produced by the <a href="http://www.whatwg.org/">WHATWG</a>. The two specifications are
identical from the table of contents onwards.</p><!-- UNDER NO CIRCUMSTANCES IS THE FOLLOWING PARAGRAPH TO BE REMOVED OR EDITED WITHOUT TALKING TO IAN FIRST --><!-- UNDER NO CIRCUMSTANCES IS THE PRECEDING PARAGRAPH TO BE REMOVED OR EDITED WITHOUT TALKING TO IAN FIRST --><!-- context and rationale (required) --><p>This specification is intended to replace (be a new version of)
@@ -327,10 +327,8 @@
<li><a href="#urls"><span class="secno">2.5 </span>URLs</a>
<ol>
<li><a href="#terminology-0"><span class="secno">2.5.1 </span>Terminology</a></li>
- <li><a href="#parsing-urls"><span class="secno">2.5.2 </span>Parsing URLs</a></li>
- <li><a href="#resolving-urls"><span class="secno">2.5.3 </span>Resolving URLs</a></li>
- <li><a href="#dynamic-changes-to-base-urls"><span class="secno">2.5.4 </span>Dynamic changes to base URLs</a></li>
- <li><a href="#interfaces-for-url-manipulation"><span class="secno">2.5.5 </span>Interfaces for URL manipulation</a></ol></li>
+ <li><a href="#dynamic-changes-to-base-urls"><span class="secno">2.5.2 </span>Dynamic changes to base URLs</a></li>
+ <li><a href="#interfaces-for-url-manipulation"><span class="secno">2.5.3 </span>Interfaces for URL manipulation</a></ol></li>
<li><a href="#fetching-resources"><span class="secno">2.6 </span>Fetching resources</a>
<ol>
<li><a href="#concept-http-equivalent"><span class="secno">2.6.1 </span>Protocol concepts</a></li>
@@ -3905,367 +3903,45 @@
maybe they just don't know about combining dot above?
-->
- </ol></div><h3 id="urls"><span class="secno">2.5 </span>URLs</h3><p>This specification defines the term <a href="#url">URL</a>, and defines
- various algorithms for dealing with URLs, because for historical
- reasons the rules defined by the URI and IRI specifications are not
- a complete description of what HTML user agents need to implement to
- be compatible with Web content.<h4 id="terminology-0"><span class="secno">2.5.1 </span>Terminology</h4><p>A <dfn id="url">URL</dfn> is a string used to identify a resource.<p>A <a href="#url">URL</a> is a <dfn id="valid-url">valid URL</dfn> if at least one of
- the following conditions holds:<ul><li><p>The <a href="#url">URL</a> is a valid URI reference <a href="#references">[RFC3986]</a>.</li>
-
- <li><p>The <a href="#url">URL</a> is a valid IRI reference and it has no
- query component. <a href="#references">[RFC3987]</a></li>
-
- <li><p>The <a href="#url">URL</a> is a valid IRI reference and its query
- component contains no unescaped non-ASCII characters. <a href="#references">[RFC3987]</a></li>
-
- <li><p>The <a href="#url">URL</a> is a valid IRI reference and the <a href="#document-s-character-encoding" title="document's character encoding">character encoding</a> of
- the URL's <code>Document</code> is UTF-8 or UTF-16. <a href="#references">[RFC3987]</a></li>
-
- </ul><div class="impl">
-
- <p>A <a href="#url">URL</a> has an associated <dfn id="url-character-encoding">URL character
- encoding</dfn>, determined as follows:</p>
-
- <dl class="switch"><dt>If the URL came from a script (e.g. as an argument to a
- method)</dt>
-
- <dd>The URL character encoding is the <a href="#script-s-url-character-encoding">script's URL character
- encoding</a>.</dd>
+ </ol></div><h3 id="urls"><span class="secno">2.5 </span>URLs</h3><h4 id="terminology-0"><span class="secno">2.5.1 </span>Terminology</h4><p>A <dfn id="url">URL</dfn> is a string used to identify a resource.<p>A <a href="#url">URL</a> is a <dfn id="valid-url">valid URL</dfn> if it is a
+ <span>valid Web address</span> as defined by the Web addresses
+ specification. <a href="#references">[WEBADDRESSES]</a><p>A <a href="#url">URL</a> is an <dfn id="absolute-url">absolute URL</dfn> if it is an
+ <span>absolute Web address</span> as defined by the Web addresses
+ specification. <a href="#references">[WEBADDRESSES]</a><div class="impl">
- <dt>If the URL came from a DOM node (e.g. from an element)</dt>
+ <p>To <dfn id="parse-a-url">parse a URL</dfn> <var title="">url</var> into its
+ component parts, the user agent must use the <span>parse a Web
+ address</span> algorithm defined by the Web addresses
+ specification. <a href="#references">[WEBADDRESSES]</a></p>
- <dd>The node has a <code>Document</code>, and the URL character
- encoding is the <a href="#document-s-character-encoding">document's character encoding</a>.</dd>
+ <p>Parsing a URL results in the following components, again as
+ defined by the Web addresses specification:</p>
- <dt>If the URL had a character encoding defined when the URL was
- created or defined</dt>
+ <ul class="brief"><li><dfn id="url-scheme" title="url-scheme"><scheme></dfn></li>
+ <li><dfn id="url-host" title="url-host"><host></dfn></li>
+ <li><dfn id="url-port" title="url-port"><port></dfn></li>
+ <li><dfn id="url-hostport" title="url-hostport"><hostport></dfn></li>
+ <li><dfn id="url-path" title="url-path"><path></dfn></li>
+ <li><dfn id="url-query" title="url-query"><query></dfn></li>
+ <li><dfn id="url-fragment" title="url-fragment"><fragment></dfn></li>
+ <li><dfn id="url-host-specific" title="url-host-specific"><host-specific></dfn></li>
+ </ul><p>To <dfn id="resolve-a-url">resolve a URL</dfn> to an <a href="#absolute-url">absolute URL</a>
+ relative to either another <a href="#absolute-url">absolute URL</a> or an element,
+ the user agent must use the <span>resolve a Web address</span>
+ algorithm defined by the Web addresses specification. <a href="#references">[WEBADDRESSES]</a></p>
- <dd>The URL character encoding is as defined.</dd>
+ <p>The <dfn id="document-base-url">document base URL</dfn> of a <code>Document</code>
+ object is the <span>document base Web address</span> as defined by
+ the Web addresses specification. <a href="#references">[WEBADDRESSES]</a></p>
- </dl><p class="note">The term "URL" in this specification is used in a
+ </div><p class="note">The term "URL" in this specification is used in a
manner distinct from the precise technical meaning it is given in
RFC 3986. Readers familiar with that RFC will find it easier to read
<em>this</em> specification if they pretend the term "URL" as used
herein is really called something else altogether. This is a
- <a href="#willful-violation">willful violation</a> of RFC 3986. <a href="#references">[RFC3986]</a></p>
-
- </div><div class="impl">
-
- <h4 id="parsing-urls"><span class="secno">2.5.2 </span>Parsing URLs</h4>
-
- <p>To <dfn id="parse-a-url">parse a URL</dfn> <var title="">url</var> into its
- component parts, the user agent must use the following steps:</p>
-
- <ol><li><p>Strip leading and trailing <a href="#space-character" title="space
- character">space characters</a> from <var title="">url</var>.</li>
-
- <li>
-
- <p>Parse <var title="">url</var> in the manner defined by RFC
- 3986, with the following exceptions:</p>
-
- <ul><li>Add all characters with code points less than or equal to
- U+0020 or greater than or equal to U+007F to the
- <unreserved> production.</li>
-
- <li>Add the characters U+0022, U+003C, U+003E, U+005B .. U+005E,
- U+0060, and U+007B .. U+007D to the <unreserved>
- production.
- <!--
- 0022 QUOTATION MARK
- 003C LESS-THAN SIGN
- 003E GREATER-THAN SIGN
- 005B LEFT SQUARE BRACKET
- 005C REVERSE SOLIDUS
- 005D RIGHT SQUARE BRACKET
- 005E CIRCUMFLEX ACCENT
- 0060 GRAVE ACCENT
- 007B LEFT CURLY BRACKET
- 007C VERTICAL LINE
- 007D RIGHT CURLY BRACKET
- -->
- </li>
-
- <li>Add a single U+0025 PERCENT SIGN character as a second
- alternative way of matching the <pct-encoded> production,
- except when the <pct-encoded> is used in the
- <reg-name> production.</li>
-
- <li>Add the U+0023 NUMBER SIGN character to the characters
- allowed in the <fragment> production.</li>
-
- <!-- some browsers also have other differences, e.g. Mozilla
- seems to treat ";" as if it was not in sub-delims, if the scheem
- is "ftp". -->
-
- </ul></li>
-
- <li>
-
- <p>If <var title="">url</var> doesn't match the
- <URI-reference> production, even after the above changes are
- made to the ABNF definitions, then parsing the URL fails with an
- error. <a href="#references">[RFC3986]</a></p>
-
- <p>Otherwise, parsing <var title="">url</var> was successful; the
- components of the URL are substrings of <var title="">url</var>
- defined as follows:</p>
-
- <dl><dt><dfn id="url-scheme" title="url-scheme"><scheme></dfn></dt>
-
- <dd><p>The substring matched by the <scheme> production, if any.</dd>
-
-
- <dt><dfn id="url-host" title="url-host"><host></dfn></dt>
-
- <dd><p>The substring matched by the <host> production, if any.</dd>
-
-
- <dt><dfn id="url-port" title="url-port"><port></dfn></dt>
-
- <dd><p>The substring matched by the <port> production, if any.</dd>
-
-
- <dt><dfn id="url-hostport" title="url-hostport"><hostport></dfn></dt>
-
- <dd><p>If there is a <scheme> component and a <port>
- component and the port given by the <port> component is
- different than the default port defined for the protocol given by
- the <scheme> component, then <hostport> is the
- substring that starts with the substring matched by the
- <host> production and ends with the substring matched by the
- <port> production, and includes the colon in between the
- two. Otherwise, it is the same as the <host> component.</p>
-
-
- <dt><dfn id="url-path" title="url-path"><path></dfn></dt>
-
- <dd>
-
- <p>The substring matched by one of the following productions, if
- one of them was matched:</p>
-
- <ul class="brief"><li><path-abempty></li>
- <li><path-absolute></li>
- <li><path-noscheme></li>
- <li><path-rootless></li>
- <li><path-empty></li>
- </ul></dd>
-
-
- <dt><dfn id="url-query" title="url-query"><query></dfn></dt>
-
- <dd><p>The substring matched by the <query> production, if any.</dd>
-
-
- <dt><dfn id="url-fragment" title="url-fragment"><fragment></dfn></dt>
-
- <dd><p>The substring matched by the <fragment> production, if any.</dd>
-
-
- <dt><dfn id="url-host-specific" title="url-host-specific"><host-specific></dfn></dt>
-
- <dd><p>The substring that <em>follows</em> the substring matched
- by the <authority> production, or the whole string if the
- <authority> production wasn't matched.</dd>
-
- </dl></li>
-
- </ol><p class="note">These parsing rules are a <a href="#willful-violation">willful
- violation</a> of RFC 3986 and RFC 3987 (which do not define error
- handling), motivated by a desire to handle legacy content. <a href="#references">[RFC3986]</a> <a href="#references">[RFC3987]</a></p>
-
- </div><div class="impl">
-
- <h4 id="resolving-urls"><span class="secno">2.5.3 </span>Resolving URLs</h4>
-
- <p>To <dfn id="resolve-a-url">resolve a URL</dfn> to an <a href="#absolute-url">absolute URL</a>
- relative to either another <a href="#absolute-url">absolute URL</a> or an element,
- the user agent must use the following steps. Resolving a URL can
- result in an error, in which case the URL is not resolvable.</p>
-
- <ol><li><p>Let <var title="">url</var> be the <a href="#url">URL</a> being
- resolved.</li>
-
- <li><p>Let <var title="">encoding</var> be the <a href="#url-character-encoding">URL character
- encoding</a>.</li>
-
- <li><p>If <var title="">encoding</var> is a UTF-16 encoding, then
- change the value of <var title="">encoding</var> to UTF-8.</li>
-
- <li>
-
- <p>If the algorithm was invoked with an <a href="#absolute-url">absolute URL</a>
- to use as the base URL, let <var title="">base</var> be that
- <a href="#absolute-url">absolute URL</a>.</p>
-
- <p>Otherwise, let <var title="">base</var> be the <i>base URI of
- the element</i>, as defined by the XML Base specification, with
- <i>the base URI of the document entity</i> being defined as the
- <a href="#document-base-url">document base URL</a> of the <code>Document</code> that
- owns the element. <a href="#references">[XMLBASE]</a></p>
-
- <p>For the purposes of the XML Base specification, user agents
- must act as if all <code>Document</code> objects represented XML
- documents.</p>
-
- <p class="note">It is possible for <code title="attr-xml-base"><a href="#the-xml:base-attribute-xml-only">xml:base</a></code> attributes to be present
- even in HTML fragments, as such attributes can be added
- dynamically using script. (Such scripts would not be conforming,
- however, as <code title="attr-xml-base"><a href="#the-xml:base-attribute-xml-only">xml:base</a></code> attributes
- are not allowed in <a href="#html-documents">HTML documents</a>.)</p>
-
- <p>The <dfn id="document-base-url">document base URL</dfn> of a <code>Document</code> is
- the <a href="#absolute-url">absolute URL</a> obtained by running these
- substeps:</p>
-
- <ol><li><p>Let <var title="">fallback base url</var> be <a href="#the-document-s-address">the
- document's address</a>.</li>
-
- <li>
-
- <!-- http://www.hixie.ch/tests/adhoc/html/navigation/javascript-url/ -->
-
- <!-- XXX this should be tested in the case of a browsing context
- that was navigated to about:blank after having been elsewhere,
- as opposed to the about:blank used at the time of the browsing
- context's creation. -->
-
- <p>If <var title="">fallback base url</var> is
- <code><a href="#about:blank">about:blank</a></code>, and the <code>Document</code>'s
- <a href="#browsing-context">browsing context</a> has a <a href="#creator-browsing-context">creator browsing
- context</a>, then let <var title="">fallback base url</var>
- be the <a href="#document-base-url">document base URL</a> of the <a href="#creator-document">creator
- <code>Document</code></a> instead.</p>
-
- </li>
-
- <li><p>If there is no <code><a href="#the-base-element">base</a></code> element that is both a
- child of <a href="#the-head-element-0">the <code>head</code> element</a> and has an
- <code title="attr-base-href"><a href="#attr-base-href">href</a></code> attribute, then the
- <a href="#document-base-url">document base URL</a> is <var title="">fallback base
- url</var>.</li>
-
- <li><p>Otherwise, let <var title="">url</var> be the value of the
- <code title="attr-base-href"><a href="#attr-base-href">href</a></code> attribute of the first
- such element.</li>
-
- <li><p><a href="#resolve-a-url" title="resolve a URL">Resolve</a> <var title="">url</var> relative to <var title="">fallback base
- url</var> (thus, the <code><a href="#the-base-element">base</a></code> <code title="attr-base-href"><a href="#attr-base-href">href</a></code> attribute isn't affected by
- <code title="attr-xml-base"><a href="#the-xml:base-attribute-xml-only">xml:base</a></code> attributes).</li>
-
- <li><p>The <a href="#document-base-url">document base URL</a> is the result of the
- previous step if it was successful; otherwise it is <var title="">fallback base url</var>.</li>
-
- </ol></li>
-
- <li><p><a href="#parse-a-url" title="parse a URL">Parse</a> <var title="">url</var> into its component parts.</li>
-
- <li>
-
- <p>If parsing <var title="">url</var> resulted in a <a href="#url-host" title="url-host"><host></a> component, then replace the
- matching substring of <var title="">url</var> with the string that
- results from expanding any sequences of percent-encoded octets in
- that component that are valid UTF-8 sequences into Unicode
- characters as defined by UTF-8.</p>
-
- <p>If any percent-encoded octets in that component are not valid
- UTF-8 sequences, then return an error and abort these steps.</p>
-
- <p>Apply the IDNA ToASCII algorithm to the matching substring,
- with both the AllowUnassigned and UseSTD3ASCIIRules flags
- set. Replace the matching substring with the result of the ToASCII
- algorithm.</p>
-
- <p>If ToASCII fails to convert one of the components of the
- string, e.g. because it is too long or because it contains invalid
- characters, then return an error and abort these steps. <a href="#references">[RFC3490]</a></p>
-
- </li>
-
- <li>
-
- <p>If parsing <var title="">url</var> resulted in a <a href="#url-path" title="url-path"><path></a> component, then replace the
- matching substring of <var title="">url</var> with the string that
- results from applying the following steps to each character other
- than U+0025 PERCENT SIGN (%) that doesn't match the original
- <path> production defined in RFC 3986:</p>
-
- <ol><li>Encode the character into a sequence of octets as defined by
- UTF-8.</li>
-
- <li>Replace the character with the percent-encoded form of those
- octets. <a href="#references">[RFC3986]</a></li>
-
- </ol><div class="example">
-
- <p>For instance if <var title="">url</var> was "<code title="">//example.com/a^b☺c%FFd%z/?e</code>", then the
- <a href="#url-path" title="url-path"><path></a> component's substring
- would be "<code title="">/a^b☺c%FFd%z/</code>" and the two
- characters that would have to be escaped would be "<code title="">^</code>" and "<code title="">☺</code>". The
- result after this step was applied would therefore be that <var title="">url</var> now had the value "<code title="">//example.com/a%5Eb%E2%98%BAc%FFd%z/?e</code>".</p>
-
- </div>
-
- </li>
-
- <li>
-
- <p>If parsing <var title="">url</var> resulted in a <a href="#url-query" title="url-query"><query></a> component, then replace the
- matching substring of <var title="">url</var> with the string that
- results from applying the following steps to each character other
- than U+0025 PERCENT SIGN (%) that doesn't match the original
- <query> production defined in RFC 3986:</p>
-
- <ol><li>If the character in question cannot be expressed in the
- encoding <var title="">encoding</var>, then replace it with a
- single 0x3F octet (an ASCII question mark) and skip the remaining
- substeps for this character.</li>
-
- <li>Encode the character into a sequence of octets as defined by
- the encoding <var title="">encoding</var>.</li>
-
- <li>Replace the character with the percent-encoded form of those
- octets. <a href="#references">[RFC3986]</a></li>
-
- </ol></li>
-
- <li><p>Apply the algorithm described in RFC 3986 section 5.2
- Relative Resolution, using <var title="">url</var> as the
- potentially relative URI reference (<var title="">R</var>), and
- <var title="">base</var> as the base URI (<var title="">Base</var>). <a href="#references">[RFC3986]</a></li>
-
- <li>
-
- <p>Apply any relevant conformance criteria of RFC 3986 and RFC
- 3987, returning an error and aborting these steps if
- appropriate. <a href="#references">[RFC3986]</a> <a href="#references">[RFC3987]</a></p>
-
- <p class="example">For instance, if an absolute URI that would be
- returned by the above algorithm violates the restrictions specific
- to its scheme, e.g. a <code title="">data:</code> URI using the
- "<code title="">//</code>" server-based naming authority syntax,
- then user agents are to treat this as an error instead.<!-- RFC
- 3986, 3.1 Scheme --></p>
-
- </li>
-
- <li><p>Let <var title="">result</var> be the target URI (<var title="">T</var>) returned by the Relative Resolution
- algorithm.</li>
-
- <li><p>If <var title="">result</var> uses a scheme with a
- server-based naming authority, replace all U+005C REVERSE SOLIDUS
- (\) characters in <var title="">result</var> with U+002F SOLIDUS
- (/) characters.</li>
-
- <li><p>Return <var title="">result</var>.</li>
-
- </ol><p>A <a href="#url">URL</a> is an <dfn id="absolute-url">absolute URL</dfn> if <a href="#resolve-a-url" title="resolve a URL">resolving</a> it results in the same
- URL without an error.</p>
-
- </div><div class="impl">
+ <a href="#willful-violation">willful violation</a> of RFC 3986. <a href="#references">[RFC3986]</a><div class="impl">
- <h4 id="dynamic-changes-to-base-urls"><span class="secno">2.5.4 </span>Dynamic changes to base URLs</h4>
+ <h4 id="dynamic-changes-to-base-urls"><span class="secno">2.5.2 </span>Dynamic changes to base URLs</h4>
<p>When an <code title="attr-xml-base"><a href="#the-xml:base-attribute-xml-only">xml:base</a></code> attribute
changes, the attribute's element, and all descendant elements, are
@@ -4333,7 +4009,7 @@
</dd>
- </dl></div><h4 id="interfaces-for-url-manipulation"><span class="secno">2.5.5 </span>Interfaces for URL manipulation</h4><p>An interface that has a complement of <dfn id="url-decomposition-attributes">URL decomposition
+ </dl></div><h4 id="interfaces-for-url-manipulation"><span class="secno">2.5.3 </span>Interfaces for URL manipulation</h4><p>An interface that has a complement of <dfn id="url-decomposition-attributes">URL decomposition
attributes</dfn> will have seven attributes with the following
definitions:<pre class="idl">
attribute DOMString <a href="#dom-uda-protocol" title="dom-uda-protocol">protocol</a>;
Received on Sunday, 14 June 2009 00:22:05 UTC