1. Add an Options menu entry: Code Context
2. Add a <<toggle-code-context>> envent to the [CodeContext] section of
   config-extensions.def and also a default-on variable, set to 0.
3. Update the help file to include Code Context.

M CodeContext.py
M config-extensions.def
M help.txt
diff --git a/Lib/idlelib/help.txt b/Lib/idlelib/help.txt
index 9af8e0d..e91e8c6 100644
--- a/Lib/idlelib/help.txt
+++ b/Lib/idlelib/help.txt
@@ -88,9 +88,9 @@
                           Startup Preferences may be set, and Additional Help
                           Souces can be specified.
 	---
-	Revert to Default Settings -- Restore original settings.  Not
-	                              currently implemented - simply delete
-                                      your .idlerc file.
+	Code Context --	  Open a pane at the top of the edit window which
+			  shows the block context of the section of code
+			  which is scrolling off the top or the window.
 
 Windows Menu: