EVOLUTION-MANAGER
Edit File: xpathTest.xml
<top xmlns:omg="http://www.omegahat.net" xmlns:r="http://www.r-project.org"> <tree id="t1"> <a id="a1"> <b/> </a> </tree> <tree id="t2"> <a id="a2"> <b/> </a> </tree> </top>