===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/mandoc/man_macro.c,v
retrieving revision 1.82
retrieving revision 1.83
diff -c -r1.82 -r1.83
*** src/usr.bin/mandoc/man_macro.c	2017/05/05 15:16:25	1.82
--- src/usr.bin/mandoc/man_macro.c	2017/06/13 19:33:24	1.83
***************
*** 1,4 ****
! /*	$OpenBSD: man_macro.c,v 1.82 2017/05/05 15:16:25 schwarze Exp $ */
  /*
   * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
   * Copyright (c) 2012-2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
--- 1,4 ----
! /*	$OpenBSD: man_macro.c,v 1.83 2017/06/13 19:33:24 schwarze Exp $ */
  /*
   * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
   * Copyright (c) 2012-2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
***************
*** 233,238 ****
--- 233,242 ----
  		ntok = man->last->tok;
  		man_unscope(man, nn);
  
+ 		if (tok == MAN_RE && nn->head->aux > 0)
+ 			roff_setreg(man->roff, "an-margin",
+ 			    nn->head->aux, '-');
+ 
  		/* Move a trailing paragraph behind the block. */
  
  		if (ntok == MAN_LP || ntok == MAN_PP || ntok == MAN_P) {
***************
*** 254,261 ****
  	head = roff_head_alloc(man, line, ppos, tok);
  
  	la = *pos;
! 	if (man_args(man, line, pos, buf, &p))
  		roff_word_alloc(man, line, la, p);
  
  	if (buf[*pos] != '\0')
  		mandoc_vmsg(MANDOCERR_ARG_EXCESS, man->parse, line,
--- 258,274 ----
  	head = roff_head_alloc(man, line, ppos, tok);
  
  	la = *pos;
! 	if (man_args(man, line, pos, buf, &p)) {
  		roff_word_alloc(man, line, la, p);
+ 		if (tok == MAN_RS) {
+ 			if (roff_getreg(man->roff, "an-margin") == 0)
+ 				roff_setreg(man->roff, "an-margin",
+ 				    7 * 24, '=');
+ 			if ((head->aux = strtod(p, NULL) * 24.0) > 0)
+ 				roff_setreg(man->roff, "an-margin",
+ 				    head->aux, '+');
+ 		}
+ 	}
  
  	if (buf[*pos] != '\0')
  		mandoc_vmsg(MANDOCERR_ARG_EXCESS, man->parse, line,