===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/mandoc/man.c,v
retrieving revision 1.10
retrieving revision 1.11
diff -c -r1.10 -r1.11
*** src/usr.bin/mandoc/man.c	2009/08/22 23:17:39	1.10
--- src/usr.bin/mandoc/man.c	2009/09/18 22:37:05	1.11
***************
*** 1,4 ****
! /*	$Id: man.c,v 1.10 2009/08/22 23:17:39 schwarze Exp $ */
  /*
   * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
   *
--- 1,4 ----
! /*	$Id: man.c,v 1.11 2009/09/18 22:37:05 schwarze Exp $ */
  /*
   * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
   *
***************
*** 489,494 ****
--- 489,500 ----
  			break;
  		else if (' ' == buf[i])
  			break;
+ 
+ 		/* Check for invalid characters. */
+ 
+ 		if (isgraph((u_char)buf[i]))
+ 			continue;
+ 		return(man_perr(m, ln, i, WNPRINT));
  	}
  
  	mac[j] = 0;