to finish making current README.txt obsolete.

Some were missing and notes were not correct.

so it is not triggered on import.  The problem is creation of a now-unused
instance "helpDialog = HelpDialog()", left for back compatibility.
So instead trigger the warning when that instance or another is used.

Patch by Mark Roseman.

Issue #19143: platform module now reads Windows version from kernel32.dll to avoid compatibility shims.

Change destination to help.html.  Adjust NEWS entries.

above "What's New and 0 lines above "Release date".  Remove most old headers
for non-final releases (they currently do not get carried forward.

threading and multiprocessing modules.

In multiprocessing, the name of the first parameter of the acquire methods is
"block", but "blocking" in threading.

This commit also improves documentation of Lock and RLock.

Patch by Davin Potts.

The new idlelib/idle.html is copied from Doc/build/html/idle.html.
It looks better than help.txt and will better document Idle as released.
The tkinter html viewer that works for this file was written by Rose Roseman.
The new code is in idlelib/help.py, a new file for help menu classes.
The now unused EditorWindow.HelpDialog class and helt.txt file are deprecated.

Patch by Bar Harel.

In this case __file__ is the name of precompiled file (*.py[co]).

profile data.

Thanks to Alecsandru Patrascu of Intel for the initial patch.

format_stack(), and extract_stack() called without arguments.

Fix the regex to support the version 7.10: minor version with two digits

Patch by TAKASE Arihiro.

Fixed the case of the "Ctrl-" prefixes.

This changes the equivalent functions listed for the Base-64, hex and Quoted-
Printable codecs to reflect the functions actually used. Also mention and
test the "quotetabs" setting for Quoted-Printable encoding.

Most of these tests are about blacklisted non-text codecs, which are not
relevant in Python 2. The only one remaining is TransformCodecTest.test_uu_
invalid().

Reported by Nat Dunn on docs@

PyUnicode_AsEncodedString() instead of calling the encode() method of the
host, to handle correctly custom unicode string with an encode() method which
doesn't return a byte string. The encoder of the IDNA codec is now called
directly instead of calling the encode() method of the string.

Patch from Shiyao Ma.

It was very much outdated, and the topic is better covered elsewhere.