The `wb.len = -1` assignment is unneeded since its introduction in 161d695f as `PyObject_GetBuffer` always fills it in.

In text mode, the "size" parameter indicates the number of characters, not bytes.

In the table model used by docutils, the `cols` attribute of `tgroup`
nodes is mandatory, see [1]. It is used in texinfo builder in [2].

[1]: https://www.oasis-open.org/specs/tm9901.htm#AEN348
[2]: https://github.com/sphinx-doc/sphinx/blob/v2.1.2/sphinx/writers/texinfo.py#L1129

* Doc: Add texinfo support to the Makefile

https://gitlab.com/python-devs/importlib_metadata/-/tags/0.21

It looks like "cryptographically strong" is the preferred phrase from the surrounding documentation.

Automerge-Triggered-By: @tiran

* Optimize sum() for bools.

* Fix sum([], False).

* Add a NEWS entry.

* Improve doc on open's mode +

* Improve wording

* Address comment from Rémi

Makes the pwd module PEP-384 compatible


https://bugs.python.org/issue38073



Automerge-Triggered-By: @tiran

feed_eof(), feed_data(), set_exception(), and set_transport() are prefixed with underscore now.


https://bugs.python.org/issue38066

Document how $ and % can be escaped in configparser.

This PR deprecate explicit loop parameters in all public asyncio APIs

This issues is split to be easier to review.

fourth step: queue.py





https://bugs.python.org/issue36373

Add functions with various calling conventions to `_testcapi`, expose them as module-level functions, bound methods, class methods, and static methods, and test calling them and introspecting them through GDB.


https://bugs.python.org/issue37499Co-authored-by: Jeroen Demeyer <J.Demeyer@UGent.be>
Automerge-Triggered-By: @pganssle

Summary:
Eliminate uses of `_Py_IDENTIFIER` from `_posixsubprocess`, replacing them with interned strings.

Also tries to find an existing version of the module, which will allow subinterpreters.



https://bugs.python.org/issue38069

This PR deprecate explicit loop parameters in all public asyncio APIs

This issues is split to be easier to review.

Third step: locks.py





https://bugs.python.org/issue36373

Assume gettimeofday exists and takes two arguments.

Add examples for mocking asynchronous iterators and asynchronous context managers.


https://bugs.python.org/issue37052

Make the termios module PEP-384 compatible.

Make the grp module PEP-384 compliant.

As described in Doc/c-api/init.rst, PyEval_InitThreads() cannot be called
before Py_Initialize() function.

Azure runs macOS, so we don't need Travis to do it.

Updated zlibmodule.c to be PEP 384 compliant.