bpo-43008: Make IDLE respect sys.excepthook (GH-24302)

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
diff --git a/Lib/idlelib/NEWS.txt b/Lib/idlelib/NEWS.txt
index 2620098..f1abb38 100644
--- a/Lib/idlelib/NEWS.txt
+++ b/Lib/idlelib/NEWS.txt
@@ -3,6 +3,9 @@
 ======================================
 
 
+bpo-43008: Make IDLE invoke :func:`sys.excepthook` in normal,
+2-process mode.
+
 bpo-33065: Fix problem debugging user classes with __repr__ method.
 
 bpo-32631: Finish zzdummy example extension module: make menu entries