* Indent versionchanged at method level, not class level
* Mark up ``--help`` to avoid generating an en dash
* Use forward slash in Unix command line with a dollar sign ($) prompt

Issue #28915: Replace _PyObject_CallMethodId() with
_PyObject_CallMethodIdObjArgs() when the format string was only made of "O"
formats, PyObject* arguments.

_PyObject_CallMethodIdObjArgs() avoids the creation of a temporary tuple and
doesn't have to parse a format string.

Issue #28915: Replace _PyObject_CallMethodId() with
_PyObject_CallMethodIdObjArgs() when the format string only use the format 'O'
for objects, like "(O)".

_PyObject_CallMethodIdObjArgs() avoids the code to parse a format string and
avoids the creation of a temporary tuple.

with PyUnicode_AsUTF8 and PyUnicode_AsUTF8AndSize.

The latter function is more readable, faster and doesn't raise exceptions.

The latter function is more readable, faster and doesn't raise exceptions.

the garbage collector is invoked in other thread.
Based on patch by Sebastian Cufre.

the garbage collector is invoked in other thread.
Based on patch by Sebastian Cufre.