ref: 7f7c098f85fba9612ea2aa3901b7f5fae3b209f5
dir: /sys/lib/postscript/prologues/unbind.ps/
%
% Unbind the operators in an executable array or packedarray. Leaves the
% unbound array or the original object on the stack.
%
/unbind {
0 index xcheck
1 index type /arraytype eq
2 index type /packedarraytype eq or and {
dup length array copy cvx
dup 0 exch {
dup type /operatortype eq {
( ) cvs cvn cvx
} if
0 index xcheck
1 index type /arraytype eq
2 index type /packedarraytype eq or and {
unbind
} if
3 copy put pop
1 add
} forall
pop
} if
} def