whatsnew: Add PEP 478.
whatsnew: Fix markup.
Closes #22580: Fix documentation of PyUnicode_Tailmatch()

The result type is Py_ssize_t (and not int).

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branch : 3.4
(Merge 3.4) Closes #22580: Fix documentation of PyUnicode_Tailmatch()

The result type is Py_ssize_t (and not int).
Issue #22568: Fix compilation of posixmodule.c with Open Watcom: rename "utime"
variable to "ut" to avoid conflict with the C utime() function. Patch written
by Jeffrey Armstrong.

--HG--
branch : 3.4
(Merge 3.4) Issue #22568: Fix compilation of posixmodule.c with Open Watcom:
rename "utime" variable to "ut" to avoid conflict with the C utime() function.
Patch written by Jeffrey Armstrong.
Issue #22588: Fix typo in _testcapi.test_incref_decref_API()

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branch : 3.4
Merge 3.4
#18615: Make sndhdr return namedtuples.

Patch by Claudiu Popa.
#18176: updated stdtypes UCD link, added reminder to makeunicodedata.

Patch by Alexander Belopolsky.

--HG--
branch : 3.4
Merge: #18176: updated stdtypes UCD link, added reminder to makeunicodedata.
#18176: fix another reference and add it to the makeunicodedata comment.

--HG--
branch : 3.4
Merge: #18176: fix another reference and add it to the makeunicodedata comment.
Closes #22579: Fix posixmodule.c to support any C compiler on Windows

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extra : rebase_source : bbc7c6e78e27412217bea49441845bd49aa948e8
De-'colour'ize stdlib except for idlelib.configDialog.
Tweak docstrigs and comments in affected functions in idlelib.configHandler.

--HG--
branch : 3.4
Merge with 3.4: decolourize
#18176: Change generic UCD PropList link to version specific link.

--HG--
branch : 3.4
Merge: #18176: Change generic UCD PropList link to version specific link.