diff --git a/java/external/build.xml b/java/external/build.xml
index 2a12f39..9c5c6d1 100644
--- a/java/external/build.xml
+++ b/java/external/build.xml
@@ -10,6 +10,9 @@
   <property name="version" value="1.0"/>
   <property name="project.name" value="${name}-${version}"/> 
 
+  <property name="impl.name" value="XmlCommons"/>
+  <property name="impl.version" value="${version}"/>
+
   <property name="external-module" value="JAXP 1.1, DOM2, SAX2, SAX2-ext 1.0" />
   <property name="src.dir" value="src" />
   <property name="docs.dir" value="xdocs" />
@@ -26,6 +29,12 @@
     <mkdir dir="${build.classes.dir}" />
     <mkdir dir="${build.docs.dir}" />
     <mkdir dir="${build.javadocs.dir}" />
+    <filter token="impl.version" value="${impl.version}"/>
+    <filter token="impl.name" value="${impl.name}"/>
+    <copy file="${src.dir}/org/apache/xmlcommons/Version.src" 
+        tofile="${src.dir}/org/apache/xmlcommons/Version.java" 
+        filtering="true" preservelastmodified="true" />
+    <copy todir="${build.dir}" file="${src.dir}/manifest.commons" filtering="true"/>
   </target>
 
   <target name="compile" depends="prepare"
@@ -35,7 +44,9 @@
 
   <target name="jar" depends="compile"
     description="Jar all classes">
-    <jar jarfile="${api.jar}" basedir="${build.classes.dir}" />
+    <jar jarfile="${api.jar}" 
+        basedir="${build.classes.dir}" 
+        manifest="${build.dir}/manifest.commons"  />
   </target>
 
   <target name="javadoc" depends="prepare"
@@ -68,6 +79,9 @@
       <tarfileset dir="${src.dir}">
         <patternset refid="external-srcs"/>
       </tarfileset>
+      <tarfileset dir="${build.dir}">
+        <include name="manifest.commons"/>
+      </tarfileset>
     </tar>
     <gzip src="${build.dir}/${project.name}-src.tar" zipfile="${build.dir}/${project.name}-src.tar.gz"/>
     <delete file="${build.dir}/${project.name}-src.tar" />
@@ -77,6 +91,7 @@
       description="Clean the output build area">
     <delete file="${api.jar}"/>
     <delete dir="${build.dir}"/>
+    <delete file="${src.dir}/org/apache/xmlcommons/Version.java"/>
   </target>
 
 </project>