1<schemalist> 2 <schema id='base'> 3 <key name='foo' type='s'> 4 <default>'bar'</default> 5 </key> 6 7 <key name='ranged' type='i'> 8 <range min='0' max='22'/> 9 <default>10</default> 10 </key> 11 12 <key name='choice' type='s'> 13 <choices> 14 <choice value='a'/> 15 <choice value='aaa'/> 16 <choice value='aaaaa'/> 17 </choices> 18 <default>'aaaaa'</default> 19 </key> 20 </schema> 21 22 <schema id='sub' extends='base'> 23 </schema> 24 25 <schema id='sub2' extends='base'> 26 <override name='foo'>'baz'</override> 27 <override name='ranged'>0</override> 28 <override name='choice'>'aaa'</override> 29 </schema> 30 31 <schema id='sub3' extends='sub2'> 32 <override name='foo'>'foo'</override> 33 </schema> 34</schemalist> 35