[css2] Added a sentence to the abstract to say that some features were

*added* as well.

--HG--
extra : convert_revision : svn%3A73dc7c4b-06e6-40f3-b4f7-9ed1dbc14bfc/trunk%402035

Author: bert-github

css2/cover.src

@@ -29,8 +29,8 @@
   <dd><a lang=nl href="http://www.w3.org/People/Bos/">
                Bert Bos</a>
                &lt;bert&nbsp;@w3.org&gt;
-  <dd><span lang=tr>
-               Tantek &Ccedil;elik</span>
+  <dd><a lang=tr href="http://tantek.com/">
+               Tantek &Ccedil;elik</a>
                &lt;tantekc&nbsp;@microsoft.com&gt;
   <dd><a lang=en href="http://ian.hixie.ch/">
                Ian Hickson</a>
@@ -97,7 +97,15 @@ and some properties related to user interface.
 <p>CSS&nbsp;2.1 corrects a few errors in CSS2 (the most important
 being a new definition of the height/width of absolutely positioned
 elements, more influence for HTML's "style" attribute and a new
-calculation of the 'clip' property). But most of all CSS&nbsp;2.1
+calculation of the 'clip' property).
+
+<p>CSS&nbsp;2.1 corrects a few errors in CSS2 (the most important
+being a new definition of the height/width of absolutely positioned
+elements, more influence for HTML's "style" attribute and a new
+calculation of the 'clip' property), and adds a few highly requested
+features which have already been widely implemented.
+
+But most of all CSS&nbsp;2.1
 represents a "snapshot" of CSS usage: it consists of all CSS features
 that were implemented interoperably at the date of publication.