===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/mandoc/mdoc.c,v
retrieving revision 1.9
retrieving revision 1.10
diff -c -r1.9 -r1.10
*** src/usr.bin/mandoc/mdoc.c	2009/06/19 07:20:19	1.9
--- src/usr.bin/mandoc/mdoc.c	2009/06/23 23:02:54	1.10
***************
*** 1,4 ****
! /*	$Id: mdoc.c,v 1.9 2009/06/19 07:20:19 schwarze Exp $ */
  /*
   * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
   *
--- 1,4 ----
! /*	$Id: mdoc.c,v 1.10 2009/06/23 23:02:54 schwarze Exp $ */
  /*
   * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
   *
***************
*** 442,447 ****
--- 442,449 ----
  		/* NOTREACHED */
  	}
  
+ 	p->parent->nchild++;
+ 
  	if ( ! mdoc_valid_pre(mdoc, p))
  		return(0);
  	if ( ! mdoc_action_pre(mdoc, p))
***************
*** 597,602 ****
--- 599,606 ----
  mdoc_node_free(struct mdoc_node *p)
  {
  
+ 	if (p->parent)
+ 		p->parent->nchild--;
  	if (p->string)
  		free(p->string);
  	if (p->args)
***************
*** 614,619 ****
--- 618,624 ----
  	if (p->next)
  		mdoc_node_freelist(p->next);
  
+ 	assert(0 == p->nchild);
  	mdoc_node_free(p);
  }