ref: 2810cc5d0c01b06e678b50995edb724c739b8eed
dir: /sys/lib/troff/font/devutf/charlib/12/
/build_12 { pop /optsize ptsize def /osize size def /ofont font def optsize 2 div dup R exch R f 0 size 2 mul 3 div dup neg exch 0 exch rmoveto (1) show rmoveto optsize R f (\244) show f (2) show optsize ofont f } def