Doc: Found some remaining default roles. (GH-98392)

Doc/c-api/init.rst

@@ -1933,7 +1933,7 @@ is not possible due to its implementation being opaque at build time.
 
    .. note::
       A freed key becomes a dangling pointer. You should reset the key to
-      `NULL`.
+      ``NULL``.
 
 
 Methods

Doc/library/asyncio-api-index.rst

@@ -57,7 +57,7 @@ await on multiple things with timeouts.
       - Monitor for completion.
 
     * - :func:`timeout`
-      - Run with a timeout. Useful in cases when `wait_for` is not suitable.
+      - Run with a timeout. Useful in cases when ``wait_for`` is not suitable.
 
     * - :func:`to_thread`
       - Asynchronously run a function in a separate OS thread.

Doc/library/pathlib.rst

@@ -391,7 +391,7 @@ Pure paths provide the following methods and properties:
 
       If you want to walk an arbitrary filesystem path upwards, it is
       recommended to first call :meth:`Path.resolve` so as to resolve
-      symlinks and eliminate `".."` components.
+      symlinks and eliminate ``".."`` components.
 
 
 .. data:: PurePath.name

Doc/library/subprocess.rst

@@ -829,7 +829,7 @@ Instances of the :class:`Popen` class have the following methods:
 
       On Windows, SIGTERM is an alias for :meth:`terminate`. CTRL_C_EVENT and
       CTRL_BREAK_EVENT can be sent to processes started with a *creationflags*
-      parameter which includes `CREATE_NEW_PROCESS_GROUP`.
+      parameter which includes ``CREATE_NEW_PROCESS_GROUP``.
 
 
 .. method:: Popen.terminate()