∂07-Apr-84  1135	JDH  	I managed to make it fail    
The following two test files cause apparently different run-time errors.

delimiters ();
edges ee;
ee = nulledges;
addto ee contour
(8,42)&(8,42)..
(8,43)&(8,43)..
(9,43)&(9,43)..cycle;
end


delimiters ();
edges ee;
ee = nulledges;
addto ee contour 
(30.8154,30.5538)..(24.1231,25.7692)..(15.1231,23.3692)..(07.1692,26.1692)
..(48.1538,32.2000)
&(48.1538,32.2000)..(49.8462,32.1077)
&(49.8462,32.1077)..(47.4923,26.3538)..(41.2000,23.5231)..(35.0615,25.4923)
..(30.8154,30.5538) & cycle
withweight -1;
end

∂07-Apr-84  1820	JDH  	another problem    
This one works except that a big slice gets taken out of the center.

delimiters ();
openwindow 0 from (0,0) to (380,300) at (0,300);

edges ee;
ee = nulledges;

addto ee contour (30,30)..(120,30)..(150,90)..(80,120)..(20,70)..cycle;

display ee on 0;

end