Update C API docs for PEP 393.

Doc/c-api/long.rst

@@ -100,6 +100,20 @@ All integers are implemented as "long" integer objects of arbitrary size.
    string is first encoded to a byte string using :c:func:`PyUnicode_EncodeDecimal`
    and then converted using :c:func:`PyLong_FromString`.
 
+   .. deprecated-removed:: 3.3 4.0
+      Part of the old-style :c:type:`Py_UNICODE` API; please migrate to using
+      :c:func:`PyLong_FromUnicodeObject`.
+
+
+.. c:function:: PyObject* PyLong_FromUnicodeObject(PyObject *u, int base)
+
+   Convert a sequence of Unicode digits in the string *u* to a Python integer
+   value.  The Unicode string is first encoded to a byte string using
+   :c:func:`PyUnicode_EncodeDecimal` and then converted using
+   :c:func:`PyLong_FromString`.
+
+   .. versionadded:: 3.3
+
 
 .. c:function:: PyObject* PyLong_FromVoidPtr(void *p)
 

Doc/c-api/module.rst

@@ -87,7 +87,7 @@ There are only a few functions special to module objects.
    Return the name of the file from which *module* was loaded using *module*'s
    :attr:`__file__` attribute.  If this is not defined, or if it is not a
    unicode string, raise :exc:`SystemError` and return *NULL*; otherwise return
-   a reference to a :c:type:`PyUnicodeObject`.
+   a reference to a Unicode object.
 
    .. versionadded:: 3.2
 

Include/unicodeobject.h

@@ -686,7 +686,7 @@ PyAPI_FUNC(PyObject*) PyUnicode_Substring(
     Py_ssize_t start,
     Py_ssize_t end);
 
-/* Copy the string into a UCS4 buffer including the null character is copy_null
+/* Copy the string into a UCS4 buffer including the null character if copy_null
    is set. Return NULL and raise an exception on error. Raise a ValueError if
    the buffer is smaller than the string. Return buffer on success.