===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/mandoc/mdoc_validate.c,v
retrieving revision 1.230
retrieving revision 1.231
diff -c -r1.230 -r1.231
*** src/usr.bin/mandoc/mdoc_validate.c	2017/01/10 13:46:53	1.230
--- src/usr.bin/mandoc/mdoc_validate.c	2017/01/10 21:54:34	1.231
***************
*** 1,4 ****
! /*	$OpenBSD: mdoc_validate.c,v 1.230 2017/01/10 13:46:53 schwarze Exp $ */
  /*
   * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
   * Copyright (c) 2010-2017 Ingo Schwarze <schwarze@openbsd.org>
--- 1,4 ----
! /*	$OpenBSD: mdoc_validate.c,v 1.231 2017/01/10 21:54:34 schwarze Exp $ */
  /*
   * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
   * Copyright (c) 2010-2017 Ingo Schwarze <schwarze@openbsd.org>
***************
*** 102,107 ****
--- 102,108 ----
  static	void	 post_st(POST_ARGS);
  static	void	 post_std(POST_ARGS);
  static	void	 post_xr(POST_ARGS);
+ static	void	 post_xx(POST_ARGS);
  
  static	v_post mdoc_valids[MDOC_MAX] = {
  	NULL,		/* Ap */
***************
*** 164,170 ****
  	post_bf,	/* Bf */
  	NULL,		/* Bo */
  	NULL,		/* Bq */
! 	NULL,		/* Bsx */
  	post_bx,	/* Bx */
  	post_obsolete,	/* Db */
  	NULL,		/* Dc */
--- 165,171 ----
  	post_bf,	/* Bf */
  	NULL,		/* Bo */
  	NULL,		/* Bq */
! 	post_xx,	/* Bsx */
  	post_bx,	/* Bx */
  	post_obsolete,	/* Db */
  	NULL,		/* Dc */
***************
*** 174,185 ****
  	NULL,		/* Ef */
  	NULL,		/* Em */
  	NULL,		/* Eo */
! 	NULL,		/* Fx */
  	NULL,		/* Ms */
  	NULL,		/* No */
  	post_ns,	/* Ns */
! 	NULL,		/* Nx */
! 	NULL,		/* Ox */
  	NULL,		/* Pc */
  	NULL,		/* Pf */
  	NULL,		/* Po */
--- 175,186 ----
  	NULL,		/* Ef */
  	NULL,		/* Em */
  	NULL,		/* Eo */
! 	post_xx,	/* Fx */
  	NULL,		/* Ms */
  	NULL,		/* No */
  	post_ns,	/* Ns */
! 	post_xx,	/* Nx */
! 	post_xx,	/* Ox */
  	NULL,		/* Pc */
  	NULL,		/* Pf */
  	NULL,		/* Po */
***************
*** 197,203 ****
  	post_hyph,	/* Sx */
  	NULL,		/* Sy */
  	NULL,		/* Tn */
! 	NULL,		/* Ux */
  	NULL,		/* Xc */
  	NULL,		/* Xo */
  	post_fo,	/* Fo */
--- 198,204 ----
  	post_hyph,	/* Sx */
  	NULL,		/* Sy */
  	NULL,		/* Tn */
! 	post_xx,	/* Ux */
  	NULL,		/* Xc */
  	NULL,		/* Xo */
  	post_fo,	/* Fo */
***************
*** 220,226 ****
  	NULL,		/* %C */
  	post_es,	/* Es */
  	post_en,	/* En */
! 	NULL,		/* Dx */
  	NULL,		/* %Q */
  	post_par,	/* br */
  	post_par,	/* sp */
--- 221,227 ----
  	NULL,		/* %C */
  	post_es,	/* Es */
  	post_en,	/* En */
! 	post_xx,	/* Dx */
  	NULL,		/* %Q */
  	post_par,	/* br */
  	post_par,	/* sp */
***************
*** 1019,1024 ****
--- 1020,1060 ----
  
  	post_obsolete(mdoc);
  	mdoc->last_es = mdoc->last;
+ }
+ 
+ static void
+ post_xx(POST_ARGS)
+ {
+ 	struct roff_node	*n;
+ 	const char		*os;
+ 
+ 	n = mdoc->last;
+ 	switch (n->tok) {
+ 	case MDOC_Bsx:
+ 		os = "BSD/OS";
+ 		break;
+ 	case MDOC_Dx:
+ 		os = "DragonFly";
+ 		break;
+ 	case MDOC_Fx:
+ 		os = "FreeBSD";
+ 		break;
+ 	case MDOC_Nx:
+ 		os = "NetBSD";
+ 		break;
+ 	case MDOC_Ox:
+ 		os = "OpenBSD";
+ 		break;
+ 	case MDOC_Ux:
+ 		os = "UNIX";
+ 		break;
+ 	default:
+ 		abort();
+ 	}
+ 	mdoc->next = ROFF_NEXT_CHILD;
+ 	roff_word_alloc(mdoc, n->line, n->pos, os);
+ 	mdoc->last->flags |= NODE_NOSRC;
+ 	mdoc->last = n;
  }
  
  static void