This would would be very useful to a newbie like myself to search.
I imagine some thing like this:
<?xml version="1.0" ?>
<catalogue>
<system>
<name>Parking brake</name>
<controles>
<control>LShift - W</control>
</controles>
<control_location>Cyclic</control_location>
<system_dependencies>
<system_dependency>
NONE
<system_dependency>
</system_dependencies>
<system_dependants>
<system_dependant>
NONE
</sysem_dependant>
</system_dependants>
<checklists>
<checklist>Before start-up</checlist>
<checklist>Shut-down</checklist>
</checklists>
...and...
system descriptiont
images[];
pagenumber in flight manual;
tutorial text;
tutorial video;
</system>
</catalogue>