troff/font/devutf/charlib/ci - plan9 - Git at Google

 /build_ci {
     pop
     size 3 mul 8 div /rad exch def
     currentpoint
     newpath
     rad add exch rad add exch rad 0 360 arc
     stroke
 } def
	/build_ci {
	pop
	size 3 mul 8 div /rad exch def
	currentpoint
	newpath
	rad add exch rad add exch rad 0 360 arc
	stroke
	} def