Issue #16504: Catch SyntaxErrors raised by tokenizer in IDLE.
diff --git a/Misc/NEWS b/Misc/NEWS
index 7642e60..9429d4e 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -164,6 +164,9 @@
 Library
 -------
 
+- Issue #16504: IDLE now catches SyntaxErrors raised by tokenizer. Patch by
+  Roger Serwy.
+
 - Issue #16702: test_urllib2_localnet tests now correctly ignores proxies for
   localhost tests.