Issue #10763: subprocess.communicate() closes stdout and stderr if both are
pipes (bug specific to Windows).
Improve also the unit test: write a portable unit test.
diff --git a/Misc/NEWS b/Misc/NEWS
index 7b6d2d1..88dd836 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -11,6 +11,9 @@
Library
-------
+- Issue #10763: subprocess.communicate() closes stdout and stderr if both are
+ pipes (bug specific to Windows).
+
- Issue #1693546: fix email.message RFC 2231 parameter encoding to be in better
compliance (no "s around encoded values).