===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/mandoc/mdoc_validate.c,v
retrieving revision 1.301
retrieving revision 1.302
diff -c -r1.301 -r1.302
*** src/usr.bin/mandoc/mdoc_validate.c	2020/04/24 11:58:02	1.301
--- src/usr.bin/mandoc/mdoc_validate.c	2020/04/26 21:29:45	1.302
***************
*** 1,4 ****
! /* $OpenBSD: mdoc_validate.c,v 1.301 2020/04/24 11:58:02 schwarze Exp $ */
  /*
   * Copyright (c) 2010-2020 Ingo Schwarze <schwarze@openbsd.org>
   * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
--- 1,4 ----
! /* $OpenBSD: mdoc_validate.c,v 1.302 2020/04/26 21:29:45 schwarze Exp $ */
  /*
   * Copyright (c) 2010-2020 Ingo Schwarze <schwarze@openbsd.org>
   * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
***************
*** 90,95 ****
--- 90,96 ----
  static	void	 post_eoln(POST_ARGS);
  static	void	 post_ex(POST_ARGS);
  static	void	 post_fa(POST_ARGS);
+ static	void	 post_fl(POST_ARGS);
  static	void	 post_fn(POST_ARGS);
  static	void	 post_fname(POST_ARGS);
  static	void	 post_fo(POST_ARGS);
***************
*** 148,154 ****
  	post_ex,	/* Ex */
  	post_fa,	/* Fa */
  	NULL,		/* Fd */
! 	post_tag,	/* Fl */
  	post_fn,	/* Fn */
  	post_delim_nb,	/* Ft */
  	post_tag,	/* Ic */
--- 149,155 ----
  	post_ex,	/* Ex */
  	post_fa,	/* Fa */
  	NULL,		/* Fd */
! 	post_fl,	/* Fl */
  	post_fn,	/* Fn */
  	post_delim_nb,	/* Ft */
  	post_tag,	/* Ic */
***************
*** 1610,1615 ****
--- 1611,1639 ----
  {
  	post_obsolete(mdoc);
  	mdoc->last_es = mdoc->last;
+ }
+ 
+ static void
+ post_fl(POST_ARGS)
+ {
+ 	struct roff_node	*n;
+ 	char			*cp;
+ 
+ 	/*
+ 	 * Transform ".Fl Fl long" to ".Fl \-long",
+ 	 * resulting for example in better HTML output.
+ 	 */
+ 
+ 	n = mdoc->last;
+ 	if (n->prev != NULL && n->prev->tok == MDOC_Fl &&
+ 	    n->prev->child == NULL && n->child != NULL &&
+ 	    (n->flags & NODE_LINE) == 0) {
+ 		mandoc_asprintf(&cp, "\\-%s", n->child->string);
+ 		free(n->child->string);
+ 		n->child->string = cp;
+ 		roff_node_delete(mdoc, n->prev);
+ 	}
+ 	post_tag(mdoc);
  }
  
  static void