[gnumeric] GUI: Better tooltip for function without arguments.

[Morten Welinder <mortenw src gnome org>]

commit 5aa791f10ea3e9f469220385e62976afb571a0ea
Author: Morten Welinder <terra gnome org>
Date:   Wed Jun 16 14:33:40 2010 -0400

    GUI: Better tooltip for function without arguments.

 src/widgets/gnumeric-expr-entry.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/src/widgets/gnumeric-expr-entry.c b/src/widgets/gnumeric-expr-entry.c
index 3039b77..37518b6 100644
--- a/src/widgets/gnumeric-expr-entry.c
+++ b/src/widgets/gnumeric-expr-entry.c
@@ -709,7 +709,10 @@ gee_set_tooltip (GnmExprEntry *gee, GnmFunc *fd, gint args)
 			 ? UNICODE_RIGHT_ARROW UNICODE_ELLIPSIS UNICODE_LEFT_ARROW
 			 : UNICODE_ELLIPSIS);
 	}
-	if (args >= max) {
+	if (max == 0 && args == 0) {
+		extra = g_strdup_printf (_("%s takes no arguments"),
+					 gnm_func_get_name (fd));
+	} else if (args >= max) {
 		g_string_append (str, UNICODE_RIGHT_ARROW UNICODE_CROSS_AND_SKULLBONES UNICODE_LEFT_ARROW);
 		extra = g_strdup_printf (_("Too many arguments for %s"),
 					 gnm_func_get_name (fd));