9718 update mandoc to 1.14.4

@@ -1,6 +1,6 @@
-/*      $Id: roff.h,v 1.58 2017/07/08 14:51:05 schwarze Exp $   */
+/*      $Id: roff.h,v 1.59 2018/04/11 17:11:13 schwarze Exp $   */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2013, 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any

@@ -59,10 +59,11 @@
         ROFFT_HEAD,
         ROFFT_BODY,
         ROFFT_TAIL,
         ROFFT_ELEM,
         ROFFT_TEXT,
+        ROFFT_COMMENT,
         ROFFT_TBL,
         ROFFT_EQN
 };
 
 enum    roff_tok {