Issue #3039: Fix TarFileCompat.writestr() which always raised an
AttributeError since __slots__ were added to zipfile.ZipInfo in
r46967 two years ago.
Add a warning about the removal of TarFileCompat in Python 3.0.
diff --git a/Misc/NEWS b/Misc/NEWS
index 6db54e0..5824ce3 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -38,6 +38,9 @@
 Library
 -------
 
+- Issue #3039: Fix tarfile.TarFileCompat.writestr() which always
+  raised an AttributeError.
+
 - Issue #2523: Fix quadratic behaviour when read()ing a binary file without
   asking for a specific length.