#2491: os.fdopen() is now almost an alias to the builtin open(), and accepts the same parameters.
It just checks that the first argument is a file descriptor.
diff --git a/Misc/NEWS b/Misc/NEWS
index 5f1d905..d19984a 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -18,6 +18,10 @@
Library
-------
+- Issue #2491: os.fdopen is now almost an alias for the built-in open(), and
+ accepts the same parameters. It just checks that its first argument is an
+ integer.
+
- Issue #3394: zipfile.writestr sets external attributes when passed a
file name rather than a ZipInfo instance, so files are extracted with
mode 0600 rather than 000 under Unix.