===================================================================
RCS file: /cvs/mandoc/mdoc_validate.c,v
retrieving revision 1.61
retrieving revision 1.66
diff -u -p -r1.61 -r1.66
--- mandoc/mdoc_validate.c	2010/04/03 14:02:10	1.61
+++ mandoc/mdoc_validate.c	2010/04/06 16:27:53	1.66
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_validate.c,v 1.61 2010/04/03 14:02:10 kristaps Exp $ */
+/*	$Id: mdoc_validate.c,v 1.66 2010/04/06 16:27:53 kristaps Exp $ */
 /*
  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -77,6 +77,7 @@ static	int	 ewarn_ge1(POST_ARGS);
 static	int	 herr_eq0(POST_ARGS);
 static	int	 herr_ge1(POST_ARGS);
 static	int	 hwarn_eq1(POST_ARGS);
+static	int	 hwarn_eq0(POST_ARGS);
 static	int	 hwarn_le1(POST_ARGS);
 
 static	int	 post_an(POST_ARGS);
@@ -113,7 +114,7 @@ static	int	 pre_ss(PRE_ARGS);
 
 static	v_post	 posts_an[] = { post_an, NULL };
 static	v_post	 posts_at[] = { post_at, NULL };
-static	v_post	 posts_bd[] = { herr_eq0, bwarn_ge1, NULL };
+static	v_post	 posts_bd[] = { hwarn_eq0, bwarn_ge1, NULL };
 static	v_post	 posts_bf[] = { hwarn_le1, post_bf, NULL };
 static	v_post	 posts_bl[] = { bwarn_ge1, post_bl, NULL };
 static	v_post	 posts_bool[] = { eerr_eq1, ebool, NULL };
@@ -133,7 +134,7 @@ static	v_post	 posts_text1[] = { eerr_eq1, NULL };
 static	v_post	 posts_vt[] = { post_vt, NULL };
 static	v_post	 posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
 static	v_post	 posts_wtext[] = { ewarn_ge1, NULL };
-static	v_post	 posts_xr[] = { eerr_ge1, NULL };
+static	v_post	 posts_xr[] = { ewarn_ge1, NULL };
 static	v_pre	 pres_an[] = { pre_an, NULL };
 static	v_pre	 pres_bd[] = { pre_display, pre_bd, NULL };
 static	v_pre	 pres_bl[] = { pre_bl, NULL };
@@ -414,6 +415,7 @@ CHECK_HEAD_DEFN(eq0, err, err_child_eq, 0)	/* herr_eq0
 CHECK_HEAD_DEFN(le1, warn, warn_child_lt, 2)	/* hwarn_le1() */
 CHECK_HEAD_DEFN(ge1, err, err_child_gt, 0)	/* herr_ge1() */
 CHECK_HEAD_DEFN(eq1, warn, warn_child_eq, 1)	/* hwarn_eq1() */
+CHECK_HEAD_DEFN(eq0, warn, warn_child_eq, 0)	/* hwarn_eq0() */
 
 
 static int
@@ -627,6 +629,8 @@ pre_bl(PRE_ARGS)
 			 * over.  If we don't do this, mdoc_action will
 			 * become confused when it scans over multiple
 			 * types whilst setting its bitmasks.
+			 *
+			 * FIXME: this should occur in mdoc_action.c.
 			 */
 			if (type >= 0) {
 				if ( ! mdoc_nwarn(mdoc, n, EMULTILIST))
@@ -1093,21 +1097,23 @@ post_bl_head(POST_ARGS) 
 {
 	int			i;
 	const struct mdoc_node *n;
+	const struct mdoc_argv *a;
 
 	n = mdoc->last->parent;
 	assert(n->args);
 
-	for (i = 0; i < (int)n->args->argc; i++)
-		if (n->args->argv[i].arg == MDOC_Column)
-			break;
+	for (i = 0; i < (int)n->args->argc; i++) {
+		a = &n->args->argv[i];
+		if (a->arg == MDOC_Column) {
+			if (a->sz && mdoc->last->nchild)
+				return(mdoc_nerr(mdoc, n, ECOLMIS));
+			return(1);
+		}
+	}
 
-	if (i == (int)n->args->argc)
+	if (0 == (i = mdoc->last->nchild))
 		return(1);
-
-	if (n->args->argv[i].sz && mdoc->last->child)
-		return(mdoc_nerr(mdoc, n, ECOLMIS));
-
-	return(1);
+	return(warn_count(mdoc, "==", 0, "line arguments", i));
 }