Hello again, I've run into a strange error trying to define a rule inside of a function: % foo(x, y) = foo> foo(x, y) = foo> $x: $y rule> echo hello $x $y rule> . . foo> . . - : <fun 2> % foo(a, b) *** omake error: File -: line 32, characters 0-6 arity mismatch: expected 2 args, got 6 What's causing this to happen? -e