bpo-41468: Improve and test IDLE run error exit (GH-21798)
A message box pops up when an unexpected error stops the run process. Tell users it is likely a random glitch, but report it if not.
(cherry picked from commit f2e161c27964a59bc5ab20d96f87ba5862c6222d)
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
diff --git a/Lib/idlelib/NEWS.txt b/Lib/idlelib/NEWS.txt
index e0a6719..fd76207 100644
--- a/Lib/idlelib/NEWS.txt
+++ b/Lib/idlelib/NEWS.txt
@@ -3,6 +3,9 @@
======================================
+bpo-41468: Improve IDLE run crash error message (which users should
+never see).
+
bpo-41373: Save files loaded with no line ending, as when blank, or
different line endings, by setting its line ending to the system
default. Fix regression in 3.8.4 and 3.9.0b4.