PR: MPJDIFF-8

Submitted by: Phil Steitz
improve documentation


git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@267522 13f79535-47bb-0310-9956-ffa450edef68

jdiff/xdocs/properties.xml

@@ -35,19 +35,29 @@
           <td>maven.jdiff.old.tag</td>
           <td>Yes</td>
           <td>
-            <p>Default value is
-              <code>CURRENT</code>.</p>
+              The scm tag of the sources for the "old" API. The default value
+              <code>CURRENT</code>. When set to the default value, the files in
+              ${pom.build.sourceDirectory} are used as the "old" sources;
+              otherwise the scm plugin is used to check out the tag, using
+              ${pom.repository.connection}, the tag name and other <a href=
+              "http://maven.apache.org/reference/plugins/scm/properties.html">
+              scm plugin properties</a>.
           </td>
         </tr>
         <tr>
           <td>maven.jdiff.new.tag</td>
           <td>Yes</td>
           <td>
-            <p>Default value is
-              <code>HEAD</code>.</p>
+              The scm tag of the sources for the "new" API. The default value
+              <code>HEAD</code>. When set to "CURRENT", the files in
+              ${pom.build.sourceDirectory} are used as the "new" sources;
+              otherwise the scm plugin is used to check out the tag, using
+              ${pom.repository.connection}, the tag name and other <a href=
+              "http://maven.apache.org/reference/plugins/scm/properties.html">
+              scm plugin properties</a>.
           </td>
         </tr>
       </table>
     </section>
   </body>
-</document>
+</document>