+ <!-- log4j minimal implementation is already in jalview/javascript
+ and is mapped from org.apache.log4j by the following .j2s line:
+
+ j2s.class.replacements=org.apache.log4j.->jalview.javascript.log4j.
+
+ <target name="ziplog4j">
+ <!- org.apache.log4j ->
+ <property name="log4j.zip" value="${libjs.dir}/log4j-site.zip" />
+ <echo> Zipping up ${log4j.zip} </echo>
+ <zip destfile="${log4j.zip}" basedir="${site.dir}" includes="swingjs/j2s/org/apache/log4j/**" />
+ </target>
+ -->