Original patch by Roger Serwy.

even when parent window is closed. Patch by Roger Serwy.

Patch by Roger Serwy.

Fix suggested by Itay Brandes

Patch by Victor Stinner.

There's no bufsize argument anymore, and os.fdopen() is only a very
thin wrapper around open() anymore. Change the documentation to
reflect that.

Patch by Matej Cepl.

Reverts some changes of d13fdd97cc8e.

`versionchanged` tags about 2.7 are useless in 3.x branches.

It doesn't get called on 'null', 'true', 'false' since f686aced02a3.

 Issue #14426: Correct the Date format in Expires attribute of Set-Cookie. Patch by Federico Reghenzani and Müte Invert

Closes #14842.

The behaviour of the parse_constant callback changed insofar that 'null',
'true', 'false' don't trigger its call anymore.

Patch by Serhiy Storchaka

undecoded UTF-8 bytes as a string when accessing the Tk clipboard.
Modify clipboad_get() to first request type UTF8_STRING when no
specific type is requested in an X11 windowing environment, falling
back to the current default type STRING if that fails.
Original patch by Thomas Kluyver.