* Added versionadded directives
* Deleted duplicate sentence from __init_subclass__ docstring
* Modernized tests

Patch by Chi Hsuan Yen.

Patch by Chi Hsuan Yen.

- __init_subclass__ called when new subclasses defined
- __set_name__ called when descriptors are part of a
  class definition

This should make ware-docs green again.

By Michael Lee.

By Michael Lee.

Based on patch by Roumen Petrov.

Found by Jack Copper on docs@

Issue #27404.

The dependendency on the $(PGEN) variable must only be
set when not cross-compiling. When cross-compiling,
$(PGEN) will not be used, so no need to build it.

Patch by Thomas Perl.

Based on patch by Ville Skyttä.

* Initialize restype and flags fields to fix a crash when Python runs on a
  read-only file system
* Use Py_ssize_t type rather than int for the "i" iterator variable
* Reorder assignements to be able to more easily check if all fields are
  initialized

Issue #11048. Initial patch written by Marcin Bachry.

Patch by Florian Preinstorfer.

Several 32-bit systems have issues with transitions in the year
2037. This is a bug in the system C library since time_t does not
overflow until 2038, but let's skip tests starting from 2037 to work
around those bugs.

as the Python program to be used for file generation during the build.

as the Python program to be used for file generation during the build.

Patch by Julien Palard.