ref: 0f56516d9cee6b74ea56a3963fa2b508f286c63f
dir: /sys/lib/troff/font/devutf/charlib/rf/
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% This stuff has gotten terribly complicated - sorry.
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currentdict /bvbbox known not {/bvbbox [0 0 0 0 0 0 0] def} if
/build_rf {
pop
gsave
currentpoint translate newpath
bvbbox 6 get size ne {
gsave
initgraphics
scaling scaling scale
0 0 moveto
(\357) false charpath flattenpath pathbbox 0 0 size bvbbox astore pop
0 1 idtransform dup mul exch dup mul add sqrt dup
bvbbox 1 get add bvbbox 1 3 -1 roll put
bvbbox 3 get exch sub bvbbox 3 3 -1 roll put
bvbbox 2 get bvbbox 0 get sub bvbbox 4 3 -1 roll put
bvbbox 2 get bvbbox 0 get add 2 div bvbbox 5 3 -1 roll put
grestore
} if
bvbbox 2 get bvbbox 1 get moveto
bvbbox 2 get bvbbox 3 get lineto
bvbbox 5 get bvbbox 4 get 8 mul sub dup bvbbox 3 get lineto
bvbbox 1 get lineto closepath clip newpath
0 0 moveto (\357) show
bvbbox 5 get bvbbox 1 get moveto
bvbbox 4 get dup dup
8 mul neg 0 rlineto
0 exch rlineto
8 mul 0 rlineto
closepath clip eofill
grestore
} def