ref: 5ebb1a29d8250027e8b7f2287f3bfa3a6f3d13ac
dir: /sys/src/cmd/htmlroff/t13.c/
#include "a.h" /* * 13. Hyphenation. */ void t13init(void) { addreq(L("nh"), r_nop, -1); addreq(L("hy"), r_nop, -1); addreq(L("hc"), r_nop, -1); addreq(L("hw"), r_nop, -1); addesc('%', e_nop, 0); }