Clarify that if universal selector is dropped, the entire thing (including namespace prefix) must be dropped. <http://lists.w3.org/Archives/Public/www-style/2009Sep/0305.html>

Author: fantasai

selectors3/Overview.html

@@ -823,17 +823,21 @@ <h4><a name=typenmsp>6.1.1. Type selectors and namespaces</a></h4>
 
 <h3><a name=universal-selector>6.2. Universal selector</a> </h3>
 
-<p>The <dfn>universal selector</dfn>, written as an asterisk
-(<code>*</code> U+002A), represents the qualified name of any element
+<p>The <dfn>universal selector</dfn>, written as a
+<a href="http://www.w3.org/TR/css3-namespace/#css-qnames">CSS qualified
+name</a> <a href="#refsCSSNS">[CSSNS]</a> with an an asterisk (<code>*</code>
+U+002A) as the local name, represents the qualified name of any element
 type. It represents any single element in the document tree in any
 namespace (including those without a namespace) if no default
 namespace has been specified for selectors. If a default namespace has
 been specified, see <a href="#univnmsp">Universal selector and
 Namespaces</a> below.</p>
 
-<p>If the universal selector is not the only component of a sequence
-of simple selectors or is immediately followed by a pseudo-element,
-the <code>*</code> may be omitted.</p>
+<p>If a universal selector represented by <code>*</code> (without a
+namespace prefix) is not the only component of a sequence of simple
+selectors or is immediately followed by a pseudo-element, then the
+<code>*</code> may be omitted and the universal selector's presence
+implied.</p>
 
 <div class="example">
  <p>Examples:</p>