===================================================================
RCS file: /cvs/mandoc/mdoc_macro.c,v
retrieving revision 1.99
retrieving revision 1.102
diff -u -p -r1.99 -r1.102
--- mandoc/mdoc_macro.c	2010/12/15 23:39:40	1.99
+++ mandoc/mdoc_macro.c	2011/03/17 09:16:38	1.102
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_macro.c,v 1.99 2010/12/15 23:39:40 kristaps Exp $ */
+/*	$Id: mdoc_macro.c,v 1.102 2011/03/17 09:16:38 kristaps Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org>
@@ -252,17 +252,24 @@ lookup_raw(const char *p)
 static int
 rew_last(struct mdoc *mdoc, const struct mdoc_node *to)
 {
-	struct mdoc_node *n;
+	struct mdoc_node *n, *np;
 
 	assert(to);
 	mdoc->next = MDOC_NEXT_SIBLING;
 
 	/* LINTED */
 	while (mdoc->last != to) {
+		/*
+		 * Save the parent here, because we may delete the
+		 * m->last node in the post-validation phase and reset
+		 * it to m->last->parent, causing a step in the closing
+		 * out to be lost.
+		 */
+		np = mdoc->last->parent;
 		if ( ! mdoc_valid_post(mdoc))
 			return(0);
 		n = mdoc->last;
-		mdoc->last = mdoc->last->parent;
+		mdoc->last = np;
 		assert(mdoc->last);
 		mdoc->last->last = n;
 	}
@@ -592,7 +599,7 @@ append_delims(struct mdoc *m, int line, int *pos, char
 		else if (ARGS_EOLN == ac)
 			break;
 
-		assert(DELIM_NONE != mdoc_isdelim(p));
+		assert(DELIM_NONE != mandoc_isdelim(p));
 		if ( ! mdoc_word_alloc(m, line, la, p))
 			return(0);
 
@@ -863,7 +870,7 @@ in_line(MACRO_PROT_ARGS)
 		 * the word. 
 		 */
 
-		d = ARGS_QWORD == ac ? DELIM_NONE : mdoc_isdelim(p);
+		d = ARGS_QWORD == ac ? DELIM_NONE : mandoc_isdelim(p);
 
 		if (DELIM_NONE != d) {
 			/*
@@ -1054,7 +1061,7 @@ blk_full(MACRO_PROT_ARGS)
 				ARGS_PHRASE != ac &&
 				ARGS_PPHRASE != ac &&
 				ARGS_QWORD != ac &&
-				DELIM_OPEN == mdoc_isdelim(p)) {
+				DELIM_OPEN == mandoc_isdelim(p)) {
 			if ( ! mdoc_word_alloc(m, line, la, p))
 				return(0);
 			continue;
@@ -1217,7 +1224,7 @@ blk_part_imp(MACRO_PROT_ARGS)
 			break;
 
 		if (NULL == body && ARGS_QWORD != ac &&
-		    DELIM_OPEN == mdoc_isdelim(p)) {
+		    DELIM_OPEN == mandoc_isdelim(p)) {
 			if ( ! mdoc_word_alloc(m, line, la, p))
 				return(0);
 			continue;
@@ -1348,7 +1355,7 @@ blk_part_exp(MACRO_PROT_ARGS)
 		/* Flush out leading punctuation. */
 
 		if (NULL == head && ARGS_QWORD != ac &&
-		    DELIM_OPEN == mdoc_isdelim(p)) {
+		    DELIM_OPEN == mandoc_isdelim(p)) {
 			assert(NULL == body);
 			if ( ! mdoc_word_alloc(m, line, la, p))
 				return(0);
@@ -1454,6 +1461,8 @@ in_line_argn(MACRO_PROT_ARGS)
 	case (MDOC_Ux):
 		maxargs = 0;
 		break;
+	case (MDOC_Bx):
+		/* FALLTHROUGH */
 	case (MDOC_Xr):
 		maxargs = 2;
 		break;
@@ -1493,7 +1502,7 @@ in_line_argn(MACRO_PROT_ARGS)
 
 		if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) && 
 				ARGS_QWORD != ac &&
-				0 == j && DELIM_OPEN == mdoc_isdelim(p)) {
+				0 == j && DELIM_OPEN == mandoc_isdelim(p)) {
 			if ( ! mdoc_word_alloc(m, line, la, p))
 				return(0);
 			continue;
@@ -1522,7 +1531,7 @@ in_line_argn(MACRO_PROT_ARGS)
 		if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) &&
 				ARGS_QWORD != ac &&
 				! flushed &&
-				DELIM_NONE != mdoc_isdelim(p)) {
+				DELIM_NONE != mandoc_isdelim(p)) {
 			if ( ! rew_elem(m, tok))
 				return(0);
 			flushed = 1;