User:Larivact/Limited tree

Demonstration for srfissue:464:

{{#ask: [[Located in::+]]|format=tree|parent=Located in|limit=0}}
{{#ask: [[Located in::+]]|format=tree|parent=Located in|limit=0|searchlabel=test}}

results in: [[:Special:Ask/-5B-5BLocated-20in::+-5D-5D/mainlabel=/offset=0/format=tree/parent=Located-20in|]] [[:Special:Ask/-5B-5BLocated-20in::+-5D-5D/mainlabel=/offset=0/format=tree/searchlabel=test/parent=Located-20in|]]