Index: applications/editors/josm/plugins/lang/build.xml
===================================================================
--- applications/editors/josm/plugins/lang/build.xml	(revision 7808)
+++ applications/editors/josm/plugins/lang/build.xml	(revision 7812)
@@ -37,8 +37,18 @@
     <copy file="i18n.properties" todir="${language}/build/org/openstreetmap/josm" />
 
+    <exec append="false" output="REVISION" executable="svn" failifexecutionfails="false">
+      <env key="LANG" value="C"/>
+      <arg value="info"/>
+      <arg value="--xml"/>
+      <arg value="${language}/${language}.po"/>
+    </exec>
+    <xmlproperty file="REVISION" prefix="version" keepRoot="false" collapseAttributes="true"/>
+    <delete file="REVISION"/>
     <jar destfile="../../dist/lang-${language}.jar" basedir="${language}/build">
       <manifest>
 	<attribute name="Plugin-Class" value="org.openstreetmap.josm.TranslationLoader_${language}" />
 	<attribute name="Plugin-Description" value="Translation to locale ${language}" />
+	<attribute name="Plugin-Version" value="${version.entry.commit.revision}"/>
+	<attribute name="Plugin-Date" value="${version.entry.commit.date}"/>
 	<attribute name="Plugin-Early" value="true" />
       </manifest>