===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/mandoc/mdoc_validate.c,v
retrieving revision 1.291
retrieving revision 1.292
diff -c -r1.291 -r1.292
*** src/usr.bin/mandoc/mdoc_validate.c	2020/01/19 16:16:33	1.291
--- src/usr.bin/mandoc/mdoc_validate.c	2020/01/19 17:59:01	1.292
***************
*** 1,4 ****
! /*	$OpenBSD: mdoc_validate.c,v 1.291 2020/01/19 16:16:33 schwarze Exp $ */
  /*
   * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
   * Copyright (c) 2010-2020 Ingo Schwarze <schwarze@openbsd.org>
--- 1,4 ----
! /*	$OpenBSD: mdoc_validate.c,v 1.292 2020/01/19 17:59:01 schwarze Exp $ */
  /*
   * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
   * Copyright (c) 2010-2020 Ingo Schwarze <schwarze@openbsd.org>
***************
*** 111,116 ****
--- 111,117 ----
  static	void	 post_st(POST_ARGS);
  static	void	 post_std(POST_ARGS);
  static	void	 post_sx(POST_ARGS);
+ static	void	 post_tg(POST_ARGS);
  static	void	 post_useless(POST_ARGS);
  static	void	 post_xr(POST_ARGS);
  static	void	 post_xx(POST_ARGS);
***************
*** 236,241 ****
--- 237,243 ----
  	NULL,		/* %Q */
  	NULL,		/* %U */
  	NULL,		/* Ta */
+ 	post_tg,	/* Tg */
  };
  
  #define	RSORD_MAX 14 /* Number of `Rs' blocks. */
***************
*** 1075,1080 ****
--- 1077,1117 ----
  }
  
  static void
+ post_tg(POST_ARGS)
+ {
+ 	struct roff_node	*n, *nch;
+ 	size_t			len;
+ 
+ 	n = mdoc->last;
+ 	nch = n->child;
+ 	if (nch == NULL && n->next != NULL &&
+ 	    n->next->child->type == ROFFT_TEXT) {
+ 		mdoc->next = ROFF_NEXT_CHILD;
+ 		roff_word_alloc(mdoc, n->line, n->pos, n->next->child->string);
+ 		nch = mdoc->last;
+ 		nch->flags |= NODE_NOSRC;
+ 		mdoc->last = n;
+ 	}
+ 	if (nch == NULL || *nch->string == '\0') {
+ 		mandoc_msg(MANDOCERR_MACRO_EMPTY, n->line, n->pos, "Tg");
+ 		roff_node_delete(mdoc, n);
+ 		return;
+ 	}
+ 	len = strcspn(nch->string, " \t");
+ 	if (nch->string[len] != '\0')
+ 		mandoc_msg(MANDOCERR_TG_SPC, nch->line, nch->pos + len + 1,
+ 		    "Tg %s", nch->string);
+ 	if (nch->next != NULL) {
+ 		mandoc_msg(MANDOCERR_ARG_EXCESS, nch->next->line,
+ 		    nch->next->pos, "Tg ... %s", nch->next->string);
+ 		while (nch->next != NULL)
+ 			roff_node_delete(mdoc, nch->next);
+ 	}
+ 	if (nch->string[len] != '\0')
+ 		roff_node_delete(mdoc, n);
+ }
+ 
+ static void
  post_obsolete(POST_ARGS)
  {
  	struct roff_node *n;
***************
*** 1739,1745 ****
  	while (nchild != NULL) {
  		nnext = nchild->next;
  		if (nchild->tok == MDOC_It ||
! 		    (nchild->tok == MDOC_Sm &&
  		     nnext != NULL && nnext->tok == MDOC_It)) {
  			nchild = nnext;
  			continue;
--- 1776,1782 ----
  	while (nchild != NULL) {
  		nnext = nchild->next;
  		if (nchild->tok == MDOC_It ||
! 		    ((nchild->tok == MDOC_Sm || nchild->tok == MDOC_Tg) &&
  		     nnext != NULL && nnext->tok == MDOC_It)) {
  			nchild = nnext;
  			continue;