gh-101100: Further improve docs on function attributes (#113001)

Author: AlexWaygood

Doc/c-api/function.rst

@@ -35,7 +35,7 @@ There are a few functions specific to Python functions.
    must be a dictionary with the global variables accessible to the function.
 
    The function's docstring and name are retrieved from the code object.
-   :func:`~function.__module__`
+   :attr:`~function.__module__`
    is retrieved from *globals*. The argument defaults, annotations and closure are
    set to ``NULL``. :attr:`~function.__qualname__` is set to the same value as
    the code object's :attr:`~codeobject.co_qualname` field.

Doc/reference/datamodel.rst

@@ -601,7 +601,7 @@ Most of these attributes check the type of the assigned value:
        or ``None`` if unavailable.
 
    * - .. attribute:: function.__defaults__
-     - A :class:`tuple` containing default parameter values
+     - A :class:`tuple` containing default :term:`parameter` values
        for those parameters that have defaults,
        or ``None`` if no parameters have a default value.
 
@@ -614,19 +614,22 @@ Most of these attributes check the type of the assigned value:
        See also: :attr:`__dict__ attributes <object.__dict__>`.
 
    * - .. attribute:: function.__annotations__
-     - A :class:`dictionary <dict>` containing annotations of parameters.
+     - A :class:`dictionary <dict>` containing annotations of
+       :term:`parameters <parameter>`.
        The keys of the dictionary are the parameter names,
        and ``'return'`` for the return annotation, if provided.
        See also: :ref:`annotations-howto`.
 
    * - .. attribute:: function.__kwdefaults__
      - A :class:`dictionary <dict>` containing defaults for keyword-only
-       parameters.
+       :term:`parameters <parameter>`.
 
    * - .. attribute:: function.__type_params__
      - A :class:`tuple` containing the :ref:`type parameters <type-params>` of
        a :ref:`generic function <generic-functions>`.
 
+       .. versionadded:: 3.12
+
 Function objects also support getting and setting arbitrary attributes, which
 can be used, for example, to attach metadata to functions.  Regular attribute
 dot-notation is used to get and set such attributes.