linkify ignore

Author: fantasai

css3-namespace/Overview.html

@@ -382,8 +382,9 @@ <h2 id=css-qnames><span class=secno>4. </span>CSS Qualified Names</h2>
     values as described in other modules. Those modules must define handling
     of namespace prefixes that have not been properly declared. Such handling
     should treat undeclared namespace prefixes as a parsing error that will
-    cause the selector or declaration (etc.) to be considered invalid and
-    ignored.</p>
+    cause the selector or declaration (etc.) to be considered invalid and, in
+    CSS, <a
+    href="http://www.w3.org/TR/CSS21/conform.html#ignore">ignored</a>.</p>
   </div>
 
   <h2 class=no-num id=acknowledgments>Acknowledgments</h2>

css3-namespace/Overview.src.html

@@ -281,8 +281,8 @@ <h2 id="css-qnames">CSS Qualified Names</h2>
     values as described in other modules. Those modules must define handling
     of namespace prefixes that have not been properly declared. Such handling
     should treat undeclared namespace prefixes as a parsing error that will
-    cause the selector or declaration (etc.) to be considered invalid and
-    ignored.</p>
+    cause the selector or declaration (etc.) to be considered invalid and, in
+    CSS, <a href="http://www.w3.org/TR/CSS21/conform.html#ignore">ignored</a>.</p>
 </div>
 
 <h2 class="no-num" id="acknowledgments">Acknowledgments</h2>