Hmm, I'm hoping that will be fixed by fixing of some markup words (:c:func:, :func:, :meth:, etc) processing, and not that they will simply be removed. :c:func: works only for function name without parameters or for function name with empty list of parameters inside the parentheses (:c:func:`PyMem_Malloc`, :c:func:`PyMem_Malloc()`, but not :c:func:`PyMem_Malloc(1)`). :c:macro: works also for non-empty list (:c:macro:`Py_CLEAR(obj)` for example).

And Doc/c-api/memory.rst is not only one issue file. The list of suspicious places you can get by the followed command:

    find Doc/ -type f -name '*.rst' -exec egrep -n --color ':`\w+[(][^)]' '{}' +