patch 1673619 - identify extension modules which cannot be built
diff --git a/Misc/NEWS b/Misc/NEWS
index 9f3ba9d..f976761 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -141,6 +141,9 @@
 Library
 -------
 
+- Patch #1673619: setup.py identifies extension modules it doesn't know how
+  to build and those it knows how to build but that fail to build.
+
 - Patch #912410: Replace HTML entity references for attribute values 
   in HTMLParser.