Index: /applications/editors/josm/plugins/build-common.xml
===================================================================
--- /applications/editors/josm/plugins/build-common.xml	(revision 34594)
+++ /applications/editors/josm/plugins/build-common.xml	(revision 34595)
@@ -259,4 +259,5 @@
             <doctitle><![CDATA[<h2>JOSM-${ant.project.name} - Javadoc</h2>]]></doctitle>
             <bottom><![CDATA[<a href="https://josm.openstreetmap.de/wiki/Plugins">JOSM Plugins</a>]]></bottom>
+            <arg line="-tag license:X" />
             <arg value="-html5" if:set="isJava9" />
             <arg value="--add-modules" if:set="isJava9" unless:set="isJava11" />