plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.4"?>
<plugin>
   <extension
         point="org.eclipse.ui.editors">
      <editor
            class="org.universaal.tools.xmleditor.editors.XmlEditor"
            default="true"
            filenames="aalapp.xml,"
            icon="icons/uaal-16.png"
            id="xmleditor.editors.MultiPageEditor"
            name="AAL Studio Project XML Editor">
      </editor>
   </extension>

</plugin>