Improve test for empty help-echo on NS menu bar items

* src/nsmenu.m ([EmacsMenu menu:willHighlightItem:]): Also check
if idx is valid.

diff --git a/src/nsmenu.m b/src/nsmenu.m
index 9f4825ac140258293b9aac53af92427cb13947fb..5599d5190635dfc0225b62b657eead4179bb6542 100644 (file)
--- a/src/nsmenu.m
+++ b/src/nsmenu.m
@@ -782,7 +782,7 @@ prettify_key (const char *key)
     }
   /* Just dismiss any help-echo that might already be in progress if
      no menu item will be highlighted.  */
-  else if (item == nil)
+  else if (item == nil || idx <= 0)
     help = Qnil;
   else
     {