git: 9front

ref: f596580cba7c5b7bae84ee7cd83d2b2a438a1e9b
dir: /sys/lib/troff/font/devutf/charlib/ob/

View raw version 
/build_ob {
    pop
    size 3 mul 16 div /rad exch def
    currentpoint
    newpath
    rad add exch rad add exch rad 0 360 arc
    stroke
} def