Doc that file.next() has undefined behaviour when called on a file opened with
'w'. Closes bug #1569057.
To be backported once 2.5 branch is unfrozen.
diff --git a/Misc/NEWS b/Misc/NEWS
index 12d4413..d15f673 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -736,6 +736,9 @@
Documentation
-------------
+- Bug #1569057: Document that calling file.next() when the file is open for
+ writing is undefined.
+
- Patch #1489771: the syntax rules in Python Reference Manual were
updated to reflect the current Python syntax.