<coregui_master> <version>2.0</version> <title>A fancy example</title> <!--<include>sample.inc</include>--> <!--<tabs_callback>sample_generate_tabs</tabscallback>--> <tab> <label>My fancy tab</label> <interface>sample_ui.xml</interface> </tab> <tab> <label>Another fancy tab</label> <interface>sample_ui2.xml</interface> </tab> </coregui_master>