deal with all media queries being ignored

Author: annevk

css3-mediaqueries/Overview.html

@@ -679,7 +679,8 @@ <h3 id=error><span class=secno>3.1 </span>Error Handling</h3>
      until the end of the media query, while observing <a
      href="http://www.w3.org/TR/CSS21/syndata.html#block">the rules for
      matching pairs</a> of (), [], {}, "", and '', and correctly handling
-     escapes. <a href="#CSS21" rel=biblioentry>[CSS21]<!--{{!CSS21}}--></a></p>
+     escapes. Media queries with unexpected tokens are ignored. <a
+     href="#CSS21" rel=biblioentry>[CSS21]<!--{{!CSS21}}--></a></p>
 
     <div class=example>
      <pre>@media (example, all,), speech { /* only applicable to speech devices */ }
@@ -693,20 +694,18 @@ <h3 id=error><span class=secno>3.1 </span>Error Handling</h3>
 
      <pre>@media all and(color) { ... }</pre>
     </div>
-    <!--
- Removed as this might cause the wrong style sheet to apply if a part of the
- media query is missing. This will now cause the respective media query to
- be ignored per the previous rule.
- 
- <li>
-  <p><strong>Unexpected end of media query.</strong> User agents are to
-  close all open constructs (such as parenthesis and curly braces) upon
-  encountering an unexpected end of a media query.</p>
-
-  <p class="note">This error handling condition is only meaningful outside
-  of CSS.</p>
- -->
-    
+
+    <p>When all media queries in a media query list are ignored it is the
+     same as if "<code>not all</code>" was specified.</p>
+
+    <div class=example>
+     <p>The following lists of media queries would all end up as "<code>not
+      all</code>":</p>
+
+     <pre>@media test, @test { ... }
+@media example { ... }
+@media screen and (min-example), example { ...}</pre>
+    </div>
   </ul>
 
   <h2 id=media1><span class=secno>4. </span>Media features</h2>

css3-mediaqueries/Overview.src.html

@@ -538,7 +538,7 @@ <h3>Error Handling</h3>
   the end of the media query, while observing
   <a href="http://www.w3.org/TR/CSS21/syndata.html#block">the rules for
   matching pairs</a> of (), [], {}, "", and '', and correctly handling
-  escapes. [[!CSS21]]
+  escapes. Media queries with unexpected tokens are ignored. [[!CSS21]]
 
   <div class="example">
    <pre>@media (example, all,), speech { /* only applicable to speech devices */ }
@@ -551,20 +551,18 @@ <h3>Error Handling</h3>
    the functional notation syntax.)</p>
    <pre>@media all and(color) { ... }</pre>
   </div>
- 
- <!--
- Removed as this might cause the wrong style sheet to apply if a part of the
- media query is missing. This will now cause the respective media query to
- be ignored per the previous rule.
- 
- <li>
-  <p><strong>Unexpected end of media query.</strong> User agents are to
-  close all open constructs (such as parenthesis and curly braces) upon
-  encountering an unexpected end of a media query.</p>
-
-  <p class="note">This error handling condition is only meaningful outside
-  of CSS.</p>
- -->
+  
+  <p>When all media queries in a media query list are ignored it is the same
+  as if "<code>not all</code>" was specified.</p>
+  
+  <div class="example">
+   <p>The following lists of media queries would all end up as "<code>not
+   all</code>":</p>
+   
+   <pre>@media test, @test { ... }
+@media example { ... }
+@media screen and (min-example), example { ...}</pre>
+  </div>
 </ul>
 
 <h2 id="media1">Media features</h2>