Quick nuke inf/NaN fix. copypasta

gistfile1.tcl

set cut_paste_input [stack 0]
version 6.3 v5
push $cut_paste_input
Expression {
 expr0 (isnan(r)||isinf(r))?r(x+xo,y+yo):r
 expr1 (isnan(g)||isinf(g))?g(x+xo,y+yo):g
 expr2 (isnan(b)||isinf(b))?b(x+xo,y+yo):b
 expr3 (isnan(a)||isinf(a))?a(x+xo,y+yo):a
 name Expression4
 selected true
 xpos 17251
 ypos -1210
 addUserKnob {20 User}
 addUserKnob {7 xo l xOffset}
 xo -8
 addUserKnob {7 yo l yOffset}
}