PR36680: comment on java bundled XSL engines.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@289642 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/CoreTasks/style.html

@@ -15,8 +15,9 @@
 <p>This is useful for building views of XML based documentation,
 or for generating code.</p>
 <p><b>Note:</b> If you are using JDK 1.4 or higher, this task does not require external libraries
-not supplied in the Ant distribution. Otherwise,
-see <a href="../install.html#librarydependencies">Library Dependencies</a> for more information.</p>
+not supplied in the Ant distribution. However, often the built in XSL engine is not as up
+to date as a fresh download, so an update is still highly recommended. 
+See <a href="../install.html#librarydependencies">Library Dependencies</a> for more information.</p>
 <p>It is possible to refine the set of files that are being processed. This can be
 done with the <i>includes</i>, <i>includesfile</i>, <i>excludes</i>, <i>excludesfile</i> and <i>defaultexcludes</i>
 attributes. With the <i>includes</i> or <i>includesfile</i> attribute you specify the files you want to
@@ -46,7 +47,8 @@ scanincludedirectories attribute to false.</p>
 <p>This task supports the use of a nested <a href="../CoreTypes/xmlcatalog.html">xmlcatalog</a>
 element which is used to perform Entity and URI resolution</p>
 <p><i><code>&lt;style&gt;</code> and <code>&lt;xslt&gt;</code> refer to the same Ant task and can be used interchangeably.</i></p>
-<p>If you want to use Xalan-J 1 or XSL:P, you also need Ant's optional.jar</p>
+<p>If you want to use Xalan-J 1 or XSL:P, you also Ant optional JARs,
+    specifically ant-xalan1.jar and ant-xslp.jar</p>
 <h3>Parameters</h3>
 <table border="1" cellpadding="2" cellspacing="0">
   <tr>