Here's rs wiki's plea for that not to be done http://runescape.wik.../Copying_notice
It seems very sad. Outside of suing jagex I think all they can do is monitor the official rs wiki.
maybe we should see if there is a historical precedent - have two wiki's on the same subject ever managed to coexist??
Edited by enfield, 25 November 2011 - 10:10 PM.
Mod Edit: Fixed the title for you. =)