Issue #12062: Fix a flushing bug when doing a certain type of I/O sequence
on a file opened in read+write mode (namely: reading, seeking a bit forward,
writing, then seeking before the previous write but still within buffered
data, and writing again).
diff --git a/Misc/NEWS b/Misc/NEWS
index f065b5a..07e8a56 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -69,6 +69,11 @@
Library
-------
+- Issue #12062: Fix a flushing bug when doing a certain type of I/O sequence
+ on a file opened in read+write mode (namely: reading, seeking a bit forward,
+ writing, then seeking before the previous write but still within buffered
+ data, and writing again).
+
- Issue #1028: Tk returns invalid Unicode null in %A: UnicodeDecodeError.
With Tk < 8.5 _tkinter.c:PythonCmd() raised UnicodeDecodeError, caused
IDLE to exit. Converted to valid Unicode null in PythonCmd().