From 219ffde846304915e173bd99833e30d012a58b82 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Mon, 12 Oct 1998 23:55:10 +0000
Subject: [PATCH] Add Debug and Help menu items.

---
 Tools/idle/Bindings.py | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/Tools/idle/Bindings.py b/Tools/idle/Bindings.py
index 4f1ddacec50..4f833c67b3d 100644
--- a/Tools/idle/Bindings.py
+++ b/Tools/idle/Bindings.py
@@ -100,6 +100,17 @@ emacs_bindings = [
      "<<comment-region>>", "<Meta-Key-3>", "<Alt-Key-3>"),
     ("edit", "Uncomment region", "Alt-4",
      "<<uncomment-region>>", "<Meta-Key-4>", "<Alt-Key-4>"),
+    
+    # Debug menu
+    
+    ("debug", "Go to line from traceback", None, "<<goto-traceback-line>>"),
+    ("debug", "Open stack viewer", None, "<<open-stack-viewer>>"),
+    
+    # Help menu
+    
+    ("help", "Help...", None, "<<help>>"),
+    ("help", None, None),
+    ("help", "About IDLE...", None, "<<about-idle>>"),
 
     # Not in any menu
 
@@ -134,11 +145,12 @@ def apply_bindings(text, bindings=default_bindings):
 def fill_menus(text, dict, bindings=default_bindings):
     # Fill the menus for the given text widget.  The dict argument is
     # a dictionary containing the menus, keyed by their lowercased name.
+    # Menus that are absent or None are ignored.
     for args in bindings:
         menu, label, accelerator = args[:3]
         if not menu:
             continue
-        menu = dict[menu]
+        menu = dict.get(menu)
         if not menu:
             continue
         if accelerator is None: