open-axiom repository from github
% operand stack configuration in order to use psDrawRect:
% psDrawRect
% y
% x
% height
% width
% graphics-context dictionary
% this draws an outline of a rectangle whose origin is at (x,y) and is width
% + 1 wide and height + 1 tall.
/psDrawRect
{ gsave
newpath
rectangle
begin installGC stroke end
grestore }
def