added endpiece pointing to "get involved" and the task guidelines.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@269895 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/develop.html

@@ -227,6 +227,25 @@ If you wish to attach a listener from the command line you may use the
 <p>will run Ant with a listener that generates an XML representation of the build progress. This 
 listener is included with Ant, as is the default listener, which generates the logging to standard output.</p>
 
+<hr>
+<h2><a name="integration">Source code integration</a></h2>
+
+
+The other way to extend Ant through Java is to make changes to existing tasks, which is positively encouraged. 
+Both changes to the existing source and new tasks can be incorporated back into the Ant codebase, which 
+benefits all users and spreads the maintenance load around.
+<p>
+
+Please consult the 
+<a href="http://jakarta.apache.org/site/getinvolved.html">Getting Involved</a> pages on the Jakarta web site
+for details on how to fetch the latest source and how to submit changes for reincorporation into the 
+source tree. 
+<p>
+Ant also has some
+<a href="http://jakarta.apache.org/ant/ant_task_guidelines.html">task guidelines</a>
+which provides some advice to people developing and testing tasks. Even if you intend to
+keep your tasks to yourself, you should still read this as it should be informative.  
+
 <hr>
 <p align="center">Copyright &copy; 2000,2001 Apache Software Foundation. All rights
 Reserved.</p>