ref: 3a4a6d2dd2a3dc812ad31a2c1ee663a7e7ed0bfa dir: /sys/src/cmd/htmlroff/t15.c/
#include "a.h" /* * 15. Output line numbering. */ void t15init(void) { addreq(L("nm"), r_warn, -1); addreq(L("nn"), r_warn, -1); }