Issue #10997: Prevent a duplicate entry in IDLE's "Recent Files" menu.
diff --git a/Lib/idlelib/EditorWindow.py b/Lib/idlelib/EditorWindow.py
index 6a01db0..bec2191 100644
--- a/Lib/idlelib/EditorWindow.py
+++ b/Lib/idlelib/EditorWindow.py
@@ -860,7 +860,7 @@
# for each edit window instance, construct the recent files menu
for instance in self.top.instance_dict:
menu = instance.recent_files_menu
- menu.delete(1, END) # clear, and rebuild:
+ menu.delete(0, END) # clear, and rebuild:
for i, file_name in enumerate(rf_list):
file_name = file_name.rstrip() # zap \n
# make unicode string to display non-ASCII chars correctly