(xmenu_show): Don't cons on subprefix_stck[j] if nil.

5964e450 · Richard M. Stallman · 71e61810 · 5964e450
Commit 5964e450 authored Apr 16, 1994 by Richard M. Stallman
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src/xmenu.c src/xmenu.c +2 -1

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--- a/src/xmenu.c
+++ b/src/xmenu.c
@@ -1727,7 +1727,8 @@ xmenu_show (f, x, y, menubarp, keymaps, title, error)
 		      if (!NILP (prefix))
 			entry = Fcons (prefix, entry);
 		      for (j = submenu_depth - 1; j >= 0; j--)
-			entry = Fcons (subprefix_stack[j], entry);
+			if (!NILP (subprefix_stack[j], entry))
+			  entry = Fcons (subprefix_stack[j], entry);
 		    }
 		  return entry;
 		}