Provide some intra-page navigation links.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@274323 13f79535-47bb-0310-9956-ffa450edef68

docs/external.html

@@ -209,8 +209,9 @@
   <table class="nowrap" border="0" cellspacing="0" cellpadding="2" width="100%">
     <tr><td bgcolor="#294563"><font color="#ffffff"><a name="External Tools and Tasks"><strong>External Tools and Tasks</strong></a></font></td></tr>
   </table>
-                        <p>This page lists external resources for Apache Ant: tasks, IDE
-      integration tools, loggers, you name it. If you've written
+                        <p>This page lists external resources for Apache Ant: <a href="#Tasks">tasks</a>, <a href="#Compiler%20Implementations">Compiler Implementations</a>,
+      <a href="#IDE%20and%20Editor%20Integration">IDE integration
+      tools</a>, loggers, you name it. If you've written
       something that should be included, please post all relevant
       information to one of the mailing lists.  For details, see the
       <a href="faq.html#adding-external-tasks">FAQ</a>.</p>

xdocs/external.xml

@@ -10,8 +10,11 @@
     
     <section name="External Tools and Tasks">
 
-      <p>This page lists external resources for Apache Ant: tasks, IDE
-      integration tools, loggers, you name it. If you've written
+      <p>This page lists external resources for Apache Ant: <a
+      href="#Tasks">tasks</a>, <a
+      href="#Compiler%20Implementations">Compiler Implementations</a>,
+      <a href="#IDE%20and%20Editor%20Integration">IDE integration
+      tools</a>, loggers, you name it. If you've written
       something that should be included, please post all relevant
       information to one of the mailing lists.  For details, see the
       <a href="faq.html#adding-external-tasks">FAQ</a>.</p>