===================================================================
RCS file: /cvs/mandoc/tree.c,v
retrieving revision 1.38
retrieving revision 1.46
diff -u -p -r1.38 -r1.46
--- mandoc/tree.c	2011/07/21 11:34:53	1.38
+++ mandoc/tree.c	2011/07/23 12:01:54	1.46
@@ -1,4 +1,4 @@
-/*	$Id: tree.c,v 1.38 2011/07/21 11:34:53 kristaps Exp $ */
+/*	$Id: tree.c,v 1.46 2011/07/23 12:01:54 kristaps Exp $ */
 /*
  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
  *
@@ -19,6 +19,7 @@
 #endif
 
 #include <assert.h>
+#include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>
@@ -262,24 +263,42 @@ static void
 print_box(const struct eqn_box *ep, int indent)
 {
 	int		 i;
+	const char	*t;
 
 	if (NULL == ep)
 		return;
 	for (i = 0; i < indent; i++)
 		putchar('\t');
 
+	t = NULL;
 	switch (ep->type) {
 	case (EQN_ROOT):
-		puts("eqn-root");
-		print_box(ep->child, indent + 1);
-		return;
+		t = "eqn-root";
+		break;
+	case (EQN_LIST):
+		t = "eqn-list";
+		break;
+	case (EQN_SUBEXPR):
+		t = "eqn-expr";
+		break;
 	case (EQN_TEXT):
-		printf("eqn-text: [%s]\n", ep->text);
-		print_box(ep->next, indent);
-		return;
-	default:
+		t = "eqn-text";
 		break;
+	case (EQN_MATRIX):
+		t = "eqn-matrix";
+		break;
 	}
+
+	assert(t);
+	printf("%s(%d, %d, %d, %d, %d, \"%s\", \"%s\") %s\n", 
+		t, EQN_DEFSIZE == ep->size ? 0 : ep->size,
+		ep->pos, ep->font, ep->mark, ep->pile, 
+		ep->left ? ep->left : "",
+		ep->right ? ep->right : "",
+		ep->text ? ep->text : "");
+
+	print_box(ep->first, indent + 1);
+	print_box(ep->next, indent);
 }
 
 static void