ref: 49dd6764ea79d2b88d228e701f73b7c59e4cae35
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