Add ant4hg external antlib for Mercurial SCM

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@792406 13f79535-47bb-0310-9956-ffa450edef68

docs/external.html

@@ -7104,6 +7104,54 @@
       <a href="manual/tasksoverview.html#scm">built in</a>. But some are available as
       external libraries. Here a list of task libraries we are aware of:</p>
                                       <h4 class="subsection">
+        <a name="ANT4HG"></a>
+        ANT4HG
+      </h4>
+                        <p>These are tasks that allow users to access Mercurial
+         functionality from within Ant build scripts.</p>
+                                      <table class="externals" cellspacing="1" cellpadding="4">
+              <tr>
+                      <th colspan="1" rowspan="1"
+      valign="top" align="left">
+          Compatibility:
+      </th>
+                          <td colspan="1" rowspan="1"
+      valign="top" align="left">
+          Ant 1.7 and later
+      </td>
+      </tr>
+                  <tr>
+                      <th colspan="1" rowspan="1"
+      valign="top" align="left">
+          URL:
+      </th>
+                          <td colspan="1" rowspan="1"
+      valign="top" align="left">
+          <a href="http://ant4hg.free.fr">http://ant4hg.free.fr</a>
+      </td>
+      </tr>
+                  <tr>
+                      <th colspan="1" rowspan="1"
+      valign="top" align="left">
+          Contact:
+      </th>
+                          <td colspan="1" rowspan="1"
+      valign="top" align="left">
+          <a href="mailto:ant4hg@free.fr">ant4hg@free.fr</a>
+      </td>
+      </tr>
+                  <tr>
+                      <th colspan="1" rowspan="1"
+      valign="top" align="left">
+          License:
+      </th>
+                          <td colspan="1" rowspan="1"
+      valign="top" align="left">
+          GNU Lesser General Public License
+      </td>
+      </tr>
+          </table>
+                                                          <h4 class="subsection">
         <a name="clearAntLib"></a>
         clearAntLib
       </h4>

xdocs/external.xml

@@ -3893,6 +3893,30 @@
       <a href="manual/tasksoverview.html#scm">built in</a>. But some are available as
       external libraries. Here a list of task libraries we are aware of:</p>
 
+      <subsection name="ANT4HG">
+
+         <p>These are tasks that allow users to access Mercurial
+         functionality from within Ant build scripts.</p>
+
+         <table class="externals">
+          <tr>
+            <th>Compatibility:</th>
+            <td>Ant 1.7 and later</td>
+          </tr>
+          <tr>
+            <th>URL:</th>
+            <td><a href="http://ant4hg.free.fr">http://ant4hg.free.fr</a></td>
+          </tr>
+          <tr>
+            <th>Contact:</th>
+            <td><a href="mailto:ant4hg@free.fr">ant4hg@free.fr</a></td>
+          </tr>
+          <tr>
+            <th>License:</th>
+            <td>GNU Lesser General Public License</td>
+          </tr>
+        </table>
+      </subsection>
 
       <subsection name="clearAntLib">