Add a x-ref to newer calling APIs.
diff --git a/Doc/api/abstract.tex b/Doc/api/abstract.tex
index 119f0d2..f740efb 100644
--- a/Doc/api/abstract.tex
+++ b/Doc/api/abstract.tex
@@ -260,6 +260,8 @@
result of the call on success, or \NULL{} on failure. This is the
equivalent of the Python expression \samp{apply(\var{callable},
\var{args})} or \samp{\var{callable}(*\var{args})}.
+ Note that if you only pass \ctype{PyObject *} args,
+ \cfunction{PyObject_CallFunctionObjArgs} is a faster alternative.
\bifuncindex{apply}
\end{cfuncdesc}
@@ -274,6 +276,8 @@
indicating that no arguments are provided. Returns the result of the
call on success, or \NULL{} on failure. This is the equivalent of
the Python expression \samp{\var{o}.\var{method}(\var{args})}.
+ Note that if you only pass \ctype{PyObject *} args,
+ \cfunction{PyObject_CallMethodObjArgs} is a faster alternative.
\end{cfuncdesc}