% solid black instead of gray; use with GF2DVI
mode=aps; sqsize=10;
%mode:=dover; sqsize:=5; % temporary!
edges pixelrep;
pixelrep=nulledges;
e=.4;
addto pixelrep contour
	((.5,0)..(.5+e,.5-e)..(1,.5)..(.5+e,.5+e)..(.5,1)..(.5-e,.5+e)..
		(0,.5)..(.5-e,.5-e)..cycle)
	scaled(4sqsize-2) shifted(1,1);
dotsize=4/5sqsize+1; rulethickness=cw/10;
boolean small; small=true;
input gray