Docs: Add missing markup to Argument Clinic docs

Doc/howto/clinic.rst

@@ -410,9 +410,8 @@ Let's dive in!
         Write a pickled representation of obj to the open file.
         [clinic start generated code]*/
 
-12. Save and close the file, then run ``make clinic``
-    to regenerate the Argument Clinic code.
-    With luck everything worked---your block now has output, and
+12. Save and close the file, then run ``Tools/clinic/clinic.py`` on
+    it.  With luck everything worked---your block now has output, and
     a :file:`.c.h` file has been generated! Reopen the file in your
     text editor to see::
 
@@ -476,7 +475,7 @@ Let's dive in!
 
     If any of these items differ in *any way*,
     adjust your Argument Clinic function specification and rerun
-    ``make clinic`` until they *are* the same.
+    ``Tools/clinic/clinic.py`` until they *are* the same.
 
 
 14. Notice that the last line of its output is the declaration
@@ -902,7 +901,7 @@ negative numbers.  You just can't do that with a legacy converter!
 Argument Clinic will show you all the converters it has
 available.  For each converter it'll show you all the parameters
 it accepts, along with the default value for each parameter.
-Just run ``./Tools/clinic/clinic.py --converters`` to see the full list.
+Just run ``Tools/clinic/clinic.py --converters`` to see the full list.
 
 
 How to use the ``Py_buffer`` converter
@@ -1121,7 +1120,7 @@ For all of these, return ``-1`` to indicate error.
 
 To see all the return converters Argument Clinic supports, along with
 their parameters (if any),
-just run ``./Tools/clinic/clinic.py --converters`` for the full list.
+just run ``Tools/clinic/clinic.py --converters`` for the full list.
 
 
 How to clone existing functions
@@ -1158,7 +1157,7 @@ Here's the syntax for cloning a function::
     [clinic start generated code]*/
 
 (The functions can be in different modules or classes.  I wrote
-:py:class:`!module.class` in the sample just to illustrate that you must
+``module.class`` in the sample just to illustrate that you must
 use the full path to *both* functions.)
 
 Sorry, there's no syntax for partially cloning a function, or cloning a function
@@ -1290,9 +1289,9 @@ after ``self``, or, if ``self`` is not used, as the first argument.  The argumen
 will be of type ``PyTypeObject *``.  The argument will not appear in the
 :py:attr:`!__text_signature__`.
 
-The ``defining_class`` converter is not compatible with
-:py:meth:`!__init__` and :py:meth:`!__new__`
-methods, which cannot use the :data:`!METH_METHOD` convention.
+The ``defining_class`` converter is not compatible with :py:meth:`!__init__`
+and :py:meth:`!__new__` methods, which cannot use the :ref:`METH_METHOD
+<METH_METHOD-METH_FASTCALL-METH_KEYWORDS>` convention.
 
 It is not possible to use ``defining_class`` with slot methods.  In order to
 fetch the module state from such methods, use :c:func:`PyType_GetModuleByDef`
@@ -1345,7 +1344,7 @@ to specify in your subclass.  Here's the current list:
 
       The C type to use for this variable.
       :attr:`!type` should be a Python string specifying the type,
-      e.g. :class:`int`.
+      e.g. ``'int'``.
       If this is a pointer type, the type string should end with ``' *'``.
 
    .. attribute:: default
@@ -1435,7 +1434,7 @@ all its subclasses.
 How to convert ``METH_O`` and ``METH_NOARGS`` functions
 -------------------------------------------------------
 
-To convert a function using :data:`METH_O`, make sure the function's
+To convert a function using :c:macro:`METH_O`, make sure the function's
 single argument is using the ``object`` converter, and mark the
 arguments as positional-only::
 
@@ -1447,11 +1446,11 @@ arguments as positional-only::
     [clinic start generated code]*/
 
 
-To convert a function using :data:`METH_NOARGS`, just don't specify
+To convert a function using :c:macro:`METH_NOARGS`, just don't specify
 any arguments.
 
 You can still use a self converter, a return converter, and specify
-a *type* argument to the object converter for :data:`METH_O`.
+a *type* argument to the object converter for :c:macro:`METH_O`.
 
 
 How to convert ``tp_new`` and ``tp_init`` functions