Add conformance requirements for multiple style attributes. Finish Conformance section.

Author: fantasai

css-style-attr/Overview.html

@@ -15,12 +15,12 @@
 
    <h1>CSS Style Attribute Syntax Level 1</h1>
 
-   <h2 class="no-num no-toc" id=longstatus-date>Editor's Draft 11 December
+   <h2 class="no-num no-toc" id=longstatus-date>Editor's Draft 12 December
     2009</h2>
 
    <dl>
     <dt>This version:</dt>
-    <!-- <dd><dd><a href="http://www.w3.org/TR/2009/WD-css-style-attr-20091211/">http://www.w3.org/TR/2009/WD-css-style-attr-20091211/</a></dd> -->
+    <!-- <dd><dd><a href="http://www.w3.org/TR/2009/WD-css-style-attr-20091212/">http://www.w3.org/TR/2009/WD-css-style-attr-20091212/</a></dd> -->
 
     <dd><a
      href="http://dev.w3.org/csswg/css-style-attr/">http://dev.w3.org/csswg/css-style-attr/</a>
@@ -208,8 +208,37 @@ <h2 id=interpret><span class=secno>4. </span>Cascading and Interpretation</h2>
    cascading, the declarations in a style attribute must be interpreted
    exactly as if they were given in a CSS style rule applied to the element.
 
+  <p>The CSS Working Group strongly recommends that document languages do not
+   allow multiple style attributes on a single element. If a document
+   language allows multiple style attributes, each is parsed independently
+   and treated as a separate style rule, the ordering of which should be
+   defined by the document language, else is undefined.
+
   <h2 id=conformance><span class=secno>5. </span>Conformance</h2>
 
+  <p>A document or implementation cannot conform to CSS Style Attribute
+   Syntax Level 1 alone, but can claim conformance to CSS Style Attribute
+   Syntax Level 1 if it satisfies the conformance requirements in this
+   specification when implementing CSS together with style attribute handling
+   as defined in a document language that has style attributes.
+
+  <p>Conformance to CSS Style Attribute Syntax Level 1 is defined for two
+   classes:
+
+  <dl>
+   <dt><dfn id=document>document</dfn>
+
+   <dd>A document represented in a document language that defines a style
+    attribute for one or more of its elements.
+
+   <dt><dfn id=interpreter>interpreter</dfn>
+
+   <dd>Someone or something that interprets the semantics of a document and
+    its associated style information. (Most CSS <a
+    href="http://www.w3.org/TR/CSS21/conform.html#user-agent">user agents</a>
+    fall under this category.)
+  </dl>
+
   <p>The conformance requirements are expressed with a combination of
    descriptive assertions and RFC 2119 terminology. The key words "MUST",
    "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT",

css-style-attr/Overview.src.html

@@ -103,8 +103,32 @@ <h2 id="interpret">Cascading and Interpretation</h2>
 attribute must be interpreted exactly as if they were given in a CSS
 style rule applied to the element.
 
+<p>The CSS Working Group strongly recommends that document languages do
+not allow multiple style attributes on a single element. If a document
+language allows multiple style attributes, each is parsed independently
+and treated as a separate style rule, the ordering of which should be
+defined by the document language, else is undefined.
+
 <h2 id="conformance">Conformance</h2>
 
+<p>A document or implementation cannot conform to CSS Style Attribute Syntax
+Level 1 alone, but can claim conformance to CSS Style Attribute Syntax Level 1
+if it satisfies the conformance requirements in this specification when
+implementing CSS together with style attribute handling as defined in a
+document language that has style attributes.</p>
+
+<p>Conformance to CSS Style Attribute Syntax Level 1 is defined for two classes:
+<dl>
+  <dt><dfn>document</dfn></dt>
+    <dd>A document represented in a document language that defines a style
+      attribute for one or more of its elements.
+  <dt><dfn>interpreter</dfn></dt>
+    <dd>Someone or something that interprets the semantics of a document and
+      its associated style information.
+      (Most CSS <a href="http://www.w3.org/TR/CSS21/conform.html#user-agent">user
+      agents</a> fall under this category.)</dd>
+</dl>
+
 <p>The conformance requirements are expressed with a combination of
   descriptive assertions and RFC 2119 terminology. The key words "MUST",
   "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT",