- From: Ian Hickson via cvs-syncmail <cvsmail@w3.org>
- Date: Wed, 11 Feb 2009 00:20:58 +0000
- To: public-html-commits@w3.org
Update of /sources/public/html5/spec In directory hutz:/tmp/cvs-serv12690 Modified Files: Overview.html Log Message: How to parse a color in an IE-compatible way. (credit: sp) (whatwg r2776) Index: Overview.html =================================================================== RCS file: /sources/public/html5/spec/Overview.html,v retrieving revision 1.1945 retrieving revision 1.1946 diff -u -d -r1.1945 -r1.1946 --- Overview.html 10 Feb 2009 22:17:19 -0000 1.1945 +++ Overview.html 11 Feb 2009 00:20:56 -0000 1.1946 @@ -10,7 +10,7 @@ <p><a href=http://www.w3.org/><img alt=W3C height=48 src=http://www.w3.org/Icons/w3c_home width=72></a></p> <h1>HTML 5</h1> <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> - <h2 class="no-num no-toc" id=editor-s-draft-date-zzz-9-june-2008><!-- "W3C Working Draft" --> Editor's Draft <!--ZZZ-->10 February 2009</h2> + <h2 class="no-num no-toc" id=editor-s-draft-date-zzz-9-june-2008><!-- "W3C Working Draft" --> Editor's Draft <!--ZZZ-->11 February 2009</h2> <dl><!-- ZZZ: update the month/day <dt>This Version:</dt> <dd><a href="http://www.w3.org/TR/2009/WD-html5-20090610/">http://www.w3.org/TR/2009/WD-html5-20090610/</a></dd> @@ -99,7 +99,7 @@ specification's progress along the W3C Recommendation track. <!--ZZZ:--> - This specification is the 10 February 2009 <!--ZZZ "Working Draft"-->Editor's Draft. + This specification is the 11 February 2009 <!--ZZZ "Working Draft"-->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) @@ -3248,7 +3248,99 @@ value</dfn>, which are given in the following algorithm. When invoked, the steps must be followed in the order given, aborting at the first step that returns a value. This algorithm will either - return a <a href=#simple-color>simple color</a> or an error.<ol class=XXX><li>... + return a <a href=#simple-color>simple color</a> or an error.<ol><li><p>Let <var title="">input</var> be the string being + parsed.</li> + + <li><p>If <var title="">input</var> is the empty string, then + return an error.</li> + + <li><p>If <var title="">input</var> is an <a href=#ascii-case-insensitive>ASCII + case-insensitive</a> match for one of the keywords listed in the + <a href=http://www.w3.org/TR/css3-color/#svg-color>SVG color + keywords</a> section of the CSS3 Color specification, the return + the <a href=#simple-color>simple color</a> corresponding to that keyword. <a href=#references>[CSS3COLOR]</a></li> + + <li> + + <p>If <var title="">input</var> is four characters long, and the + first character in <var title="">input</var> is a U+0023 NUMBER + SIGN (#) character, and the the last three characters of <var title="">input</var> are all in the range U+0030 DIGIT ZERO (0) + .. U+0039 DIGIT NINE (9), U+0041 LATIN CAPITAL LETTER A .. U+0046 + LATIN CAPITAL LETTER F, and U+0061 LATIN SMALL LETTER A .. U+0066 + LATIN SMALL LETTER F, then run these substeps:</p> + + <ol><li><p>Let <var title="">result</var> be a <a href=#simple-color>simple + color</a>.</p> + + <li><p>Interpret the second character of <var title="">input</var> as a hexadecimal digit; let the red + component of <var title="">result</var> be the resulting number + multiplied by 17.</p> + + <li><p>Interpret the third character of <var title="">input</var> + as a hexadecimal digit; let the green component of <var title="">result</var> be the resulting number multiplied by + 17.</p> + + <li><p>Interpret the fourth character of <var title="">input</var> as a hexadecimal digit; let the blue + component of <var title="">result</var> be the resulting number + multiplied by 17.</p> + + <li><p>Return <var title="">result</var>.</p> + + </ol></li> + + <li><p>Replace any characters in <var title="">input</var> that + have a Unicode codepoint greater than U+FFFF (i.e. any characters + that are not in the basic multilingual plane) with the + two-character string "<code title="">00</code>".</li> + + <li><p>If <var title="">input</var> is longer than 128 characters, + truncate <var title="">input</var>, leaving only the first 128 + characters.</li> + + <li><p>If the first character in <var title="">input</var> is a + U+0023 NUMBER SIGN character (#), remove it.</li> + + <li><p>Replace any character in <var title="">input</var> that is + not in the range U+0030 DIGIT ZERO (0) .. U+0039 DIGIT NINE (9), + U+0041 LATIN CAPITAL LETTER A .. U+0046 LATIN CAPITAL LETTER F, and + U+0061 LATIN SMALL LETTER A .. U+0066 LATIN SMALL LETTER F with the + character U+0030 DIGIT ZERO (0).</li> + + <li><p>While <var title="">input</var>'s length is zero or not a + multiple of three, append a U+0030 DIGIT ZERO (0) character to <var title="">input</var>.</li> + + <li><p>Split <var title="">input</var> into three strings of equal + length, to obtain three components. Let <var title="">length</var> + be the length of those components (one third the length of <var title="">input</var>).</li> + + <li><p>If <var title="">length</var> is greater than 8, then remove + the leading <span><var title="">length</var>-8</span> characters in + each component, and let <var title="">length</var> be 8.</li> + + <li><p>While <var title="">length</var> is greater than two and the + first character in each component is a U+0030 DIGIT ZERO (0) + character, remove that character and reduce <var title="">length</var> by one.</li> + + <li><p>If <var title="">length</var> is <em>still</em> greater than + two, truncate each component, leaving only the first two + characters in each.</li> + + <li><p>Let <var title="">result</var> be a <a href=#simple-color>simple + color</a>.</p> + + <li><p>Interpret the first component as a hexadecimal number; let + the red component of <var title="">result</var> be the resulting + number.</li> + + <li><p>Interpret the second component as a hexadecimal number; let + the green component of <var title="">result</var> be the resulting + number.</li> + + <li><p>Interpret the third component as a hexadecimal number; let + the blue component of <var title="">result</var> be the resulting + number.</li> + + <li><p>Return <var title="">result</var>.</p> </ol><hr><p class=note>The <a href=#canvas-context-2d title=canvas-context-2d>2D graphics context</a> has a separate color syntax that also handles @@ -10233,7 +10325,11 @@ </dd> </dl><p>If the <code><a href=#the-a-element>a</a></code> element has an <code title=attr-hyperlink-href><a href=#attr-hyperlink-href>href</a></code> attribute, then it <a href=#represents>represents</a> a <a href=#hyperlink>hyperlink</a> (a hypertext - anchor).<p>If the <code><a href=#the-a-element>a</a></code> element has no <code title=attr-hyperlink-href><a href=#attr-hyperlink-href>href</a></code> attribute, then the element + anchor).</p><!-- v2: Eric Meyer requests the ability to nest links so that a big + hyperlink, e.g. representing a calendar event, can be clickable, + while within it there are subareas that represent links to distinct + areas, e.g. a link to see photos of the event, or to edit the event, + or some such. --><p>If the <code><a href=#the-a-element>a</a></code> element has no <code title=attr-hyperlink-href><a href=#attr-hyperlink-href>href</a></code> attribute, then the element <a href=#represents>represents</a> a placeholder for where a link might otherwise have been placed, if it had been relevant.<p>The <code title=attr-hyperlink-target><a href=#attr-hyperlink-target>target</a></code>, <code title=attr-hyperlink-ping><a href=#ping>ping</a></code>, <code title=attr-hyperlink-rel><a href=#attr-hyperlink-rel>rel</a></code>, <code title=attr-hyperlink-media><a href=#attr-hyperlink-media>media</a></code>, <code title=attr-hyperlink-hreflang><a href=#attr-hyperlink-hreflang>hreflang</a></code>, and <code title=attr-hyperlink-type><a href=#attr-hyperlink-type>type</a></code> attributes must be omitted if the <code title=attr-hyperlink-href><a href=#attr-hyperlink-href>href</a></code> attribute is
Received on Wednesday, 11 February 2009 00:21:09 UTC