[3.6] bpo-30779: IDLE: fix changes.delete_section calls in configdialog (GH-2667) (#2674)
Also improve test of config.ConfigChanges.delete_section.
Original patch by Cheryl Sabella.
(cherry picked from commit 6d13b22)
diff --git a/Lib/idlelib/config.py b/Lib/idlelib/config.py
index ed37f11..bbb3e3c 100644
--- a/Lib/idlelib/config.py
+++ b/Lib/idlelib/config.py
@@ -794,7 +794,8 @@
add_option: Add option and value to changes.
save_option: Save option and value to config parser.
save_all: Save all the changes to the config parser and file.
- delete_section: Delete section if it exists.
+ delete_section: If section exists,
+ delete from changes, userCfg, and file.
clear: Clear all changes by clearing each page.
"""
def __init__(self):