[css2] Generated. Do not edit!

--HG--
extra : convert_revision : svn%3A73dc7c4b-06e6-40f3-b4f7-9ed1dbc14bfc/trunk%402278

Author: bert-github

css2/grammar.html

@@ -177,7 +177,7 @@ <h2><a name="q2">G.2 Lexical scanner</a></h2>
 unicode		\\{h}{1,6}(\r\n|[ \t\r\n\f])?
 escape		{unicode}|\\[ -~\200-\377]
 nmstart		[_a-z]|{nonascii}|{escape}
-nmchar		[_a-zA-Z0-9-]|{nonascii}|{escape}
+nmchar		[_a-z0-9-]|{nonascii}|{escape}
 string1		\"([\t !#$%&amp;(-~]|\\{nl}|\'|{nonascii}|{escape})*\"
 string2		\'([\t !#$%&amp;(-~]|\\{nl}|\"|{nonascii}|{escape})*\'
 

css2/indexlist.html

@@ -626,6 +626,14 @@ <h3>5.8.3 <a name="class-html">Class selectors</a></h3>
 non-normative in this specification.</em>
 </div>
 
+<div class="note"><p><em><strong>Note:</strong> If an element has
+multiple class attributes, their values must be concatenated with
+spaces between the values before searching for the class. As of this
+time the working group is not aware of any manner in which this
+situation can be reached, however, so this behavior is explicitly
+non-normative in this specification.</em>
+</div>
+
 <h2>5.9 <a name="id-selectors">ID selectors</a></h2>
 
 <P>Document languages may contain attributes that are declared to be

css2/selector.html

@@ -284,7 +284,7 @@ <h3><a name="q6">4.1.3 Characters and case</a></h3>
     href="selector.html">selectors</a>) can contain only the
     characters [A-Za-z0-9] and ISO 10646 characters  U+00A1 and higher,
     plus the hyphen (-) and the underscore (_); they cannot start with
-    a digit or a hyphen followed by a digit.
+    a digit, or a hyphen followed by a digit.
     Only properties, values, units, pseudo-classes,
     pseudo-elements, and at-rules may <em>start</em> with a hyphen (-); other
     identifiers (e.g. element names, classes, or IDs) may not.
@@ -376,8 +376,8 @@ <h3>4.1.5 <span class="index-def" title="at-rule">
 <p>CSS&nbsp;2.1 user agents must <span class="index-inst" title="ignore"><a name="x10"
 href="#ignore">ignore</a></span> any <a
 href="cascade.html#at-import">'@import'</a> rule that occurs inside a <a
-href="#block">block</a> or after any valid rule other than an @charset or 
-an @import rule.
+href="#block">block</a> or after any valid rule other than an <a name="x11"><span
+class="index-inst">@charset</span></a> or an @import rule.
 </p>
 
 <div class="illegal-example"><P style="display:none">Illegal example(s):</P><p>
@@ -390,7 +390,7 @@ <h3>4.1.5 <span class="index-def" title="at-rule">
 </pre>
 
 <p> The second '@import' is illegal according to CSS2.1. The CSS&nbsp;2.1 parser
-<span class="index-inst" title="ignore"><a name="x11" href="#ignore">ignores</a></span>
+<span class="index-inst" title="ignore"><a name="x12" href="#ignore">ignores</a></span>
 the whole at-rule, effectively reducing the style sheet to:
 </p>
 <pre>
@@ -415,14 +415,14 @@ <h3>4.1.5 <span class="index-def" title="at-rule">
 
 <h3>4.1.6 <a name="block">Blocks</a></h3>
 
-<p> A <a name="x12"><span class="index-inst" title="block"><em>block</em></span></a>
+<p> A <a name="x13"><span class="index-inst" title="block"><em>block</em></span></a>
 starts with a left curly brace ({) and ends with the matching right
 curly brace (}). In between there may be any characters, except that
 parentheses ((&nbsp;)), brackets ([&nbsp;]) and braces ({&nbsp;}) must
 always occur in
 matching pairs and may be nested. Single (') and double quotes (")
  must also occur in matching pairs, and characters between them
-are parsed as a <a name="x13"><span class="index-inst" title="string">string</span></a>.
+are parsed as a <a name="x14"><span class="index-inst" title="string">string</span></a>.
 See <a href="#tokenization">Tokenization</a> above for the definition
 of a string.
 </p>
@@ -447,33 +447,33 @@ <h3><a name="q10">4.1.7 Rule sets, declaration blocks, and selectors</a></h3>
 <p> A rule set (also called "rule") consists of a selector followed by
 a declaration block.
 </p>
-<p> A <a name="x14"><span class="index-def"
+<p> A <a name="x15"><span class="index-def"
 title="declaration-block"><dfn>declaration-block</dfn></span></a> (also
 called a {}-block in the following text) starts with a left curly
 brace ({) and ends with the matching right curly brace (}). In between
 there must be a list of zero or more semicolon-separated (;)
 declarations.
 </p>
-<p>The <a name="x15"><span class="index-def"
+<p>The <a name="x16"><span class="index-def"
 title="selector"><em>selector</em></span></a> (see also the section on <a
 href="selector.html">selectors</a>) consists of everything up to (but
 not including) the first left curly brace ({).  A selector always goes
 together with a {}-block. When a user agent can't parse the selector (i.e., it
-is not valid CSS&nbsp;2.1), it must <span class="index-inst" title="ignore"><a name="x16"
+is not valid CSS&nbsp;2.1), it must <span class="index-inst" title="ignore"><a name="x17"
 href="#ignore">ignore</a></span> the {}-block as well.
 </p>
 <p>CSS&nbsp;2.1 gives a special meaning to the comma (,) in
 selectors. However, since it is not known if the comma may acquire
 other meanings in future versions of CSS, the whole statement should
-be <span class="index-inst" title="ignore"><a name="x17"
+be <span class="index-inst" title="ignore"><a name="x18"
 href="#ignore">ignored</a></span> if there is an error anywhere in the
 selector, even though the rest of the selector may look reasonable in
 CSS&nbsp;2.1.
 </p>
 <div class=illegal-example><P style="display:none">Illegal example(s):</P>
 <p>For example, since the "&amp;" is not a valid token in a CSS&nbsp;2.1
 selector, a CSS&nbsp;2.1 user agent must
-<span class="index-inst" title="ignore"><a name="x18" href="#ignore">ignore</a></span>
+<span class="index-inst" title="ignore"><a name="x19" href="#ignore">ignore</a></span>
 the whole second line, and not set the color of H3 to red:
 </p>
 <pre>
@@ -504,9 +504,9 @@ <h3><a name="q10">4.1.7 Rule sets, declaration blocks, and selectors</a></h3>
 <h3>4.1.8 <a name="declaration">Declarations</a> and <a
 name="properties">properties</a></h3>
 
-<p> A <a name="x19"><span class="index-def"
+<p> A <a name="x20"><span class="index-def"
 title="declaration"><dfn>declaration</dfn></span></a> is either empty or
-consists of a <a name="x20"><span class="index-inst"
+consists of a <a name="x21"><span class="index-inst"
 title="property">property</span></a>, followed by a colon (:), followed by
 a value. Around each of these there may be <a
 href="#whitespace">whitespace</a>.
@@ -550,12 +550,12 @@ <h3>4.1.8 <a name="declaration">Declarations</a> and <a
 braces may be nested. Inside the quotes, characters are parsed as a
 string.
 </p>
-<p>The syntax of <a name="x21"><span class="index-def" title="value">values</span></a>
+<p>The syntax of <a name="x22"><span class="index-def" title="value">values</span></a>
 is specified separately for each property, but in any case, values are
 built from identifiers, strings, numbers, lengths, percentages, URIs, and
 colors.
 </p>
-<p>A user agent must <span class="index-inst" title="ignore"><a name="x22"
+<p>A user agent must <span class="index-inst" title="ignore"><a name="x23"
 href="#ignore">ignore</a></span> a declaration with an invalid property
 name or an invalid value. Every CSS&nbsp;2.1 property has its own syntactic
 and semantic restrictions on the values it accepts.
@@ -573,7 +573,7 @@ <h3>4.1.8 <a name="declaration">Declarations</a> and <a
 <p> The second declaration on the first line has an invalid value
 '12pt'. The second declaration on the second line contains an
 undefined property 'font-vendor'. The CSS&nbsp;2.1 parser will <span
-class="index-inst" title="ignore"><a name="x23" href="#ignore">ignore</a></span> these
+class="index-inst" title="ignore"><a name="x24" href="#ignore">ignore</a></span> these
 declarations, effectively reducing the style sheet to:
 </p>
 <pre class="example">
@@ -585,7 +585,7 @@ <h3>4.1.8 <a name="declaration">Declarations</a> and <a
 
 <h3>4.1.9 <a name="comments">Comments</a></h3>
 
-<p><a name="x24"><span class="index-inst" title="comments">Comments </span></a> begin
+<p><a name="x25"><span class="index-inst" title="comments">Comments </span></a> begin
 with the characters "/*" and end with the characters "*/". They may
 occur anywhere between tokens,
 and their contents have no influence on the rendering.  Comments may
@@ -621,7 +621,7 @@ <h2>4.2 <a name="parsing-errors">Rules for handling parsing
 
 <ul>
 <li><strong>Unknown properties.</strong> User agents must <span
-class="index-inst" title="ignore"><a name="x26" href="#ignore">ignore</a></span> a <a
+class="index-inst" title="ignore"><a name="x27" href="#ignore">ignore</a></span> a <a
 href="syndata.html#declaration">declaration</a> with an unknown
 property. For example, if the style sheet is:
 
@@ -646,7 +646,7 @@ <h2>4.2 <a name="parsing-errors">Rules for handling parsing
 </pre>
 
 A CSS&nbsp;2.1 parser would honor the first rule and
-<span class="index-inst" title="ignore"><a name="x27" href="#ignore">ignore</a></span>
+<span class="index-inst" title="ignore"><a name="x28" href="#ignore">ignore</a></span>
 the rest, as if the style sheet had been:
 
 <pre class="example">
@@ -676,7 +676,7 @@ <h2>4.2 <a name="parsing-errors">Rules for handling parsing
 
 
 <li><strong>Invalid at-keywords.</strong> User agents must <span
-class="index-inst" title="ignore"><a name="x28" href="#ignore">ignore</a></span> an
+class="index-inst" title="ignore"><a name="x29" href="#ignore">ignore</a></span> an
 invalid at-keyword together with everything following it, up to and
 including the next semicolon (;) or block ({...}), whichever
 comes first. For example, consider the following:
@@ -694,8 +694,8 @@ <h2>4.2 <a name="parsing-errors">Rules for handling parsing
 
 <p> The '@three-dee' at-rule is not part of CSS&nbsp;2.1. Therefore, the whole
 at-rule (up to, and including, the third right curly brace) is <span
-class="index-inst" title="ignore"><a name="x29" href="#ignore">ignored.</a></span> A
-CSS&nbsp;2.1 user agent <span class="index-inst" title="ignore"><a name="x30"
+class="index-inst" title="ignore"><a name="x30" href="#ignore">ignored.</a></span> A
+CSS&nbsp;2.1 user agent <span class="index-inst" title="ignore"><a name="x31"
 href="#ignore">ignores</a></span> it, effectively reducing the style sheet
 to:</p>
 
@@ -760,7 +760,7 @@ <h3>4.3.2 <a name="length-units">Lengths</a></h3>
 </p>
 
 <p><a name="absrel-units">There are two types of length units:
-relative and absolute.</a> <a name="x34"><span class="index-def" title="relative
+relative and absolute.</a> <a name="x35"><span class="index-def" title="relative
 units"><em>Relative length</em></span></a> units specify a length relative
 to another length property. Style sheets that use relative units will
 more easily scale from one medium to another (e.g., from a computer
@@ -822,7 +822,7 @@ <h3>4.3.2 <a name="length-units">Lengths</a></h3>
 resolution of the viewing device, i.e., most often a computer
 display. If the pixel density of the output device is very different
 from that of a typical computer display, the user agent should rescale
-pixel values. It is recommended that the <a name="x39"><span class="index-def"
+pixel values. It is recommended that the <a name="x40"><span class="index-def"
 title="reference pixel|pixel"><em>reference pixel</em></span></a> be the
 visual angle of one pixel on a device with a pixel density of 96dpi
 and a distance from the reader of an arm's length. For a nominal arm's
@@ -880,7 +880,7 @@ <h3>4.3.2 <a name="length-units">Lengths</a></h3>
 </pre>
 </div>
 
-<p><a name="x41"><span class="index-def" title="absolute length"><em> Absolute
+<p><a name="x42"><span class="index-def" title="absolute length"><em> Absolute
 length</em></span></a> units are only useful when the physical properties
 of the output medium are known. The absolute units are:
 </p>
@@ -912,7 +912,7 @@ <h3>4.3.3  <a name="percentage-units">Percentages</a></h3>
 name="value-def-percentage"
 class="value-def">&lt;percentage&gt;</a></span> in this specification)
 is a <span class="index-inst"
-title="&lt;number&gt;"><a name="x43" href="syndata.html#value-def-number" class="noxref"><span
+title="&lt;number&gt;"><a name="x44" href="syndata.html#value-def-number" class="noxref"><span
 class="value-inst-number">&lt;number&gt;</span></a></span> immediately
 followed by '%'.
 </p>
@@ -944,13 +944,13 @@ <h3>4.3.3  <a name="percentage-units">Percentages</a></h3>
 
 <h3>4.3.4 <a name="uri">URL + URN = URI</a></h3>
 
-<p><a name="x44"><span class="index-def" title="Uniform Resource Locator (URL)|URL
+<p><a name="x45"><span class="index-def" title="Uniform Resource Locator (URL)|URL
 (Uniform Resource Locator)">URLs</span></a> (Uniform Resource Locators,
 see <a href="refs.html#ref-RFC1738" rel="biblioentry" class="noxref"><span class="normref">[RFC1738]</span></a> and <a href="refs.html#ref-RFC1808" rel="biblioentry" class="noxref"><span class="normref">[RFC1808]</span></a>) provide the address of a resource on
-the Web. Another way of identifying resources is called <a name="x46"><span
+the Web. Another way of identifying resources is called <a name="x47"><span
 class="index-def" title="URN (Uniform Resource Name)|Uniform Resource
 Name (URN)">URN</span></a> (Uniform Resource Name). Together they are
-called <a name="x48"><span class="index-def" title="Resource Identifier (URI)|URI
+called <a name="x49"><span class="index-def" title="Resource Identifier (URI)|URI
 (Uniform Resource Identifier)">URIs</span></a> (Uniform Resource
 Identifiers, see <a href="refs.html#ref-URI" rel="biblioentry" class="noxref"><span class="normref">[URI]</span></a>). This specification uses the term URI.
 </p>
@@ -1025,7 +1025,7 @@ <h3>4.3.5 <a name="counter">Counters</a></h3>
 class="propinst-counter-increment">'counter-increment'</span></a> and
 <a href="generate.html#propdef-counter-reset" class="noxref"><span class="propinst-counter-reset">'counter-reset'</span></a>
 properties). To refer to the value of a counter, the notation
-<a name="x52"><span class="index-def" title="counter()">
+<a name="x53"><span class="index-def" title="counter()">
 'counter(&lt;identifier&gt;)'</span></a> or 'counter(&lt;identifier&gt;,
 &lt;list-style-type&gt;)' is used.  The default style is 'decimal'.
 </p>
@@ -1194,7 +1194,7 @@ <h3>4.3.7 <a name="strings">Strings</a></h3>
 </pre>
 </div>
 
-<p>A string cannot directly contain a <a name="x55"><span class="index-inst"
+<p>A string cannot directly contain a <a name="x56"><span class="index-inst"
 title="newline">newline</span></a>. 
 To include a newline in a string, use an escape representing the line feed 
 character in Unicode (U+000A), such as "\A" or "\00000a". 
@@ -1242,7 +1242,7 @@ <h2><a name="q23">4.4 CSS style sheet representation</a></h2>
 
 <p>A CSS style sheet is a sequence of characters from the Universal
 Character Set (see <a href="refs.html#ref-ISO10646" rel="biblioentry" class="noxref"><span class="normref">[ISO10646]</span></a>). For transmission and
-storage, these characters must be <a name="x56"><span class="index-def"
+storage, these characters must be <a name="x57"><span class="index-def"
 title="character encoding">encoded</span></a> by a character encoding that
 supports the set of characters available in US-ASCII (e.g., UTF-8, ISO
 8859-x, SHIFT JIS, etc.).  For a good introduction to character sets
@@ -1255,29 +1255,30 @@ <h2><a name="q23">4.4 CSS style sheet representation</a></h2>
 character encoding of the whole document.
 </p>
 <p>When a style sheet resides in a separate file, user agents must
-observe the following <a name="x57"><span class="index-inst" title="character
+observe the following <a name="x58"><span class="index-inst" title="character
 encoding::user agent's determination of">priorities</span></a> when
-determining a style sheet's <a name="x58"><span class="index-inst" title="character
+determining a style sheet's <a name="x59"><span class="index-inst" title="character
 encoding::default|default::character encoding">character
 encoding</span></a> (from highest priority to lowest):
 </p>
 <ol>
 <li>An HTTP "charset" parameter in a "Content-Type" field
 (or similar parameters in other protocols)</li>
-<li>BOM and/or @charset (see below)</li>
+<li><a name="x61"><span class="index-inst">BOM</span></a> and/or <a name="x62"><span
+class="index-inst">@charset</span></a> (see below)</li>
 <li><code>&lt;link charset=""&gt;</code> or other metadata from the linking mechanism (if any)</li>
 <li>charset of referring stylesheet or document (if any)</li>
 <li>Assume UTF-8</li>
 </ol>
 
-<p>Authors using an @charset rule must place the rule at the very
-beginning of the style sheet, preceded by no characters.  (If a byte
-order mark is appropriate for the encoding used, it may precede the
-@charset rule.)
+<p>Authors using an <a name="x63"><span class="index-inst">@charset</span></a> rule must
+place the rule at the very beginning of the style sheet, preceded by
+no characters. (If a byte order mark is appropriate for the encoding
+used, it may precede the @charset rule.)
 </p>
 
-<p>After "@charset", authors specify the name of a character encoding
-(in quotes). For example:
+<p>After <a name="x64"><span class="index-def">"@charset"</span></a>, authors specify
+the name of a character encoding (in quotes). For example:
 </p>
 
 <pre class="example">@charset "ISO-8859-1";</pre>
@@ -1293,10 +1294,11 @@ <h2><a name="q23">4.4 CSS style sheet representation</a></h2>
 registry.
 </p>
 
-<p>User agents must support at least the UTF-8 encoding.
+<p>User agents must support at least the <a name="x65"><span
+class="index-inst">UTF-8</span></a> encoding.
 
 <p>User agents must ignore any @charset rule not at the beginning of the
-style sheet.  When user agents detect the character encoding using the
+style sheet. When user agents detect the character encoding using the
 BOM and/or the @charset rule, they should follow the following rules:
 </p>
 

css2/syndata.html

@@ -1226,12 +1226,14 @@ <h4> <a name="empty-cells">Borders and Backgrounds around empty cells:</a> the <
 rendering of borders and backgrounds around cells that have no visible
 content. Empty cells and cells with the <a href="visufx.html#propdef-visibility" class="noxref"><span
 class="propinst-visibility">'visibility'</span></a> property set to
-'hidden' are considered to have no visible content. Visible content
-includes "&amp;nbsp;" and other whitespace except ASCII CR ("\0D"), LF
-("\0A"), tab ("\09"), and space ("\20"). Cells are empty if they
-contain no in-flow nor floating content other than whitespace that has
-been collapsed away by the <a href="text.html#propdef-white-space" class="noxref"><span
+'hidden' are considered to have no visible content.
+Cells are empty unless they contain one or more of the following:
+<ul>
+<li>floating content (including empty elements),
+<li>in-flow content (including empty elements) other than whitespace
+that has been collapsed away by the <a href="text.html#propdef-white-space" class="noxref"><span
 class="propinst-white-space">'white-space'</span></a> property handling.
+</ul>
 
 <p>When this property has the value 'show', borders and backgrounds
 are drawn around/behind empty cells (like normal cells).