'release22-maint'.

Describe super() very briefly
A few minor reformattings and wording changes
Set the release date (presumably tomorrow...)

Remove reference to this being a draft

Bump version number

Reflow paragraph

Mention change to _PyTuple_Resize

Bump version number

Bump version number

Bump version number

Use attribute assignment to illustrate __slots__ raising an error

        - Describe UnpackTuple()
        - Credit __unicode__ to MAL
Use \pep macro everywhere in body text.
   (Listening to "The Great Gate of Kiev" -- appropriately triumphal
    music for this check-in...)

    to be covered in an overview article like this.

\filename{} should be \file{}

Bump version number.

Fix two errors

Update the patch and bug counts

Add removal of 3-arg pow() for floats
Rewrite introduction a bit

Rewrite snprintf() item a bit
Bump version number

Minor grammatical changes, reformattings, and an error fix from Keith Briggs

Correct error noticed by Keith Briggs
Re-indent a paragraph

Add string.ascii_letters
Remove duplicate MBCS paragraph

Note new Windows installer

Mention additional new imaplib.py features

(Don't expect to see an updated version of the Web page until around the 28th
   of July.  Vacation time!)