[css2] SGML fix

--HG--
extra : convert_revision : svn%3A73dc7c4b-06e6-40f3-b4f7-9ed1dbc14bfc/trunk%401298

Author: ianbjacobs

css2/generate.src

@@ -203,9 +203,10 @@ nesting for quotes.
 <dt><span class="index-def" title="attr()">attr(X)</span>
 <dd>It is also possible to insert the value of an 
 attribute by using the
-'attr()' function, which returns the value of attribute X. If
-the current element doesn't have an attribute X, an empty string is
-returned. 
+'attr()' function, which returns the value of attribute X as
+a string. The string is not parsed by the CSS processor.
+If the current element doesn't have an attribute X, an empty string
+is returned.
 
 <P>If two or more attributes named 'X' appear in a selector,
 the value of the rightmost attribute is the one inserted
@@ -399,13 +400,13 @@ the level of embedding.
 &lt;/HTML&gt;
 </PRE>
 
-would allow a user agent to render:</p>
+<P>would allow a user agent to render:</p>
 
 <PRE class="asciiart">
 "Quote me!"
 </PRE>
 
-While this HTML fragment:
+<P>While this HTML fragment:</p>
 
 <PRE class="html-example">
 &lt;HTML lang="no"&gt;
@@ -415,7 +416,7 @@ While this HTML fragment:
 &lt;/HTML&gt;
 </PRE>
 
-would produce:
+<P>would produce:</p>
 
 <PRE class="ascii-art">
 �Siter 'meg'!�