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%!
% Patch by TVZ
% Makes dvips files draw rules with stroke rather than fill.
% Makes narrow rules more predictable at low resolutions
% after distilling to PDF.
% May have unknown consequences for very thick rules.
% Tested only with dvips 5.85(k).
TeXDict begin
/QV {
gsave newpath /ruleY X /ruleX X
Rx Ry gt
{ ruleX ruleY Ry 2 div sub moveto Rx 0 rlineto Ry }
{ ruleX Rx 2 div add ruleY moveto 0 Ry neg rlineto Rx }
ifelse
setlinewidth 0 setlinecap stroke grestore
} bind def
end
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