===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/mandoc/mdoc_validate.c,v
retrieving revision 1.216
retrieving revision 1.217
diff -u -r1.216 -r1.217
--- src/usr.bin/mandoc/mdoc_validate.c	2015/10/30 19:03:36	1.216
+++ src/usr.bin/mandoc/mdoc_validate.c	2016/01/08 17:48:04	1.217
@@ -1,7 +1,7 @@
-/*	$OpenBSD: mdoc_validate.c,v 1.216 2015/10/30 19:03:36 schwarze Exp $ */
+/*	$OpenBSD: mdoc_validate.c,v 1.217 2016/01/08 17:48:04 schwarze Exp $ */
 /*
  * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010-2015 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010-2016 Ingo Schwarze <schwarze@openbsd.org>
  * Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
@@ -1269,7 +1269,8 @@
 
 	argv = nbl->args->argv + j;
 	i = argv->sz;
-	argv->sz += nh->nchild;
+	for (nch = nh->child; nch != NULL; nch = nch->next)
+		argv->sz++;
 	argv->value = mandoc_reallocarray(argv->value,
 	    argv->sz, sizeof(char *));
 
@@ -1282,7 +1283,6 @@
 		nnext = nch->next;
 		roff_node_delete(NULL, nch);
 	}
-	nh->nchild = 0;
 	nh->child = NULL;
 }
 
@@ -1343,14 +1343,11 @@
 		 */
 
 		assert(nchild->prev == NULL);
-		if (--nbody->nchild == 0) {
-			nbody->child = NULL;
+		nbody->child = nnext;
+		if (nnext == NULL)
 			nbody->last  = NULL;
-			assert(nnext == NULL);
-		} else {
-			nbody->child = nnext;
+		else
 			nnext->prev = NULL;
-		}
 
 		/*
 		 * Relink this child.
@@ -1361,7 +1358,6 @@
 		nchild->next   = nblock;
 
 		nblock->prev = nchild;
-		nparent->nchild++;
 		if (nprev == NULL)
 			nparent->child = nchild;
 		else
@@ -1679,7 +1675,9 @@
 	n = mdoc->last->child;
 	lastname = lastsec = lastpunct = NULL;
 	while (n != NULL) {
-		if (n->tok != MDOC_Xr || n->nchild < 2)
+		if (n->tok != MDOC_Xr ||
+		    n->child == NULL ||
+		    n->child->next == NULL)
 			break;
 
 		/* Process one .Xr node. */
@@ -1735,7 +1733,7 @@
 {
 
 	for (n = n->child; n != NULL; n = n->next)
-		if ((n->tok == MDOC_An && n->nchild) || child_an(n))
+		if ((n->tok == MDOC_An && n->child != NULL) || child_an(n))
 			return 1;
 	return 0;
 }
@@ -1922,7 +1920,7 @@
 		post_prevpar(mdoc);
 
 	if (np->tok == MDOC_sp) {
-		if (np->nchild > 1)
+		if (np->child != NULL && np->child->next != NULL)
 			mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse,
 			    np->child->next->line, np->child->next->pos,
 			    "sp ... %s", np->child->next->string);