Issue #17114: IDLE now uses non-strict config parser.
diff --git a/Lib/idlelib/configHandler.py b/Lib/idlelib/configHandler.py
index e22ceb0..7fa481d 100644
--- a/Lib/idlelib/configHandler.py
+++ b/Lib/idlelib/configHandler.py
@@ -37,7 +37,7 @@
         cfgFile - string, fully specified configuration file name
         """
         self.file=cfgFile
-        ConfigParser.__init__(self,defaults=cfgDefaults)
+        ConfigParser.__init__(self, defaults=cfgDefaults, strict=False)
 
     def Get(self, section, option, type=None, default=None, raw=False):
         """
diff --git a/Misc/NEWS b/Misc/NEWS
index 78e1c85..83f52af 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -212,6 +212,8 @@
 Library
 -------
 
+- Issue #17114: IDLE now uses non-strict config parser.
+
 - Issue #16723: httplib.HTTPResponse no longer marked closed when the connection
   is automatically closed.