/usr/web/sources/plan9/sys/lib/troff/font/devutf/charlib/ob

Plan 9 from Bell Labs’s /usr/web/sources/plan9/sys/lib/troff/font/devutf/charlib/ob


/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