\end{cfuncdesc}
\begin{cfuncdesc}{int}{Py_UNICODE_ISUPPER}{Py_UNICODE ch}
-Returns 1/0 depending on whether \var{ch} is a uppercase character.
+Returns 1/0 depending on whether \var{ch} is an uppercase character.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{Py_UNICODE_ISTITLE}{Py_UNICODE ch}
Returns 1/0 depending on whether \var{ch} is a numeric character.
\end{cfuncdesc}
+\begin{cfuncdesc}{int}{Py_UNICODE_ISALPHA}{Py_UNICODE ch}
+Returns 1/0 depending on whether \var{ch} is an alphabetic character.
+\end{cfuncdesc}
+
+\begin{cfuncdesc}{int}{Py_UNICODE_ISALNUM}{Py_UNICODE ch}
+Returns 1/0 depending on whether \var{ch} is an alphanumeric character.
+\end{cfuncdesc}
+
These APIs can be used for fast direct character conversions:
\begin{cfuncdesc}{Py_UNICODE}{Py_UNICODE_TOLOWER}{Py_UNICODE ch}