"you have use set cheats 1 and god on. In real match this jump is not really, because lava eat you'r health and rl too" (c) anonim
so check this: http://q2tv.org/mkuh/jump_dm3.dm2
well if you accidently fall in there and have a rl ready.. how are you gonna double the button with a rj? i think it would be useful and cool in-game especially if the mh is there