Add maven.html2xdoc.enabled property allowing html files to be

treated as 'normal' xdoc when doing maven:site


git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@114037 13f79535-47bb-0310-9956-ffa450edef68

html2xdoc/plugin.jelly

@@ -78,4 +78,11 @@
     </j:forEach>
   </goal>
 
+  <preGoal name="xdoc:jelly-transform">
+    <j:set var="enabled" value="${maven.html2xdoc.enabled}"/>
+    <j:if test="${enabled}">
+      <echo>html2xdoc is enabled</echo>
+      <attainGoal name="html2xdoc"/>
+    </j:if>
+  </preGoal>
 </project>