===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/mandoc/man_term.c,v
retrieving revision 1.45
retrieving revision 1.46
diff -c -r1.45 -r1.46
*** src/usr.bin/mandoc/man_term.c	2010/07/25 18:05:54	1.45
--- src/usr.bin/mandoc/man_term.c	2010/09/21 22:33:41	1.46
***************
*** 1,4 ****
! /*	$Id: man_term.c,v 1.45 2010/07/25 18:05:54 schwarze Exp $ */
  /*
   * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
   *
--- 1,4 ----
! /*	$Id: man_term.c,v 1.46 2010/09/21 22:33:41 schwarze Exp $ */
  /*
   * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
   *
***************
*** 911,916 ****
--- 911,920 ----
  	p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
  	p->rmargin = p->maxrmargin - term_strlen(p, buf);
  	p->offset = 0;
+ 
+ 	/* term_strlen() can return zero. */
+ 	if (p->rmargin == p->maxrmargin)
+ 		p->rmargin--;
  
  	if (meta->source)
  		term_word(p, meta->source);