Patch #957398: Add public API for Generator Object/Type.
diff --git a/Doc/api/concrete.tex b/Doc/api/concrete.tex
index e602528..62084bd 100644
--- a/Doc/api/concrete.tex
+++ b/Doc/api/concrete.tex
@@ -2603,3 +2603,34 @@
reference counts are adjusted, and no checks are made for safety;
\var{cell} must be non-\NULL{} and must be a cell object.
\end{cfuncdesc}
+
+
+\subsection{Generator Objects \label{gen-objects}}
+
+Generator objects are what Python uses to implement generator iterators.
+They are normally created by iterating over a function that yields values,
+rather than explicitly calling \cfunction{PyGen_New}.
+
+\begin{ctypedesc}{PyGenObject}
+ The C structure used for generator objects.
+\end{ctypedesc}
+
+\begin{cvardesc}{PyTypeObject}{PyGen_Type}
+ The type object corresponding to generator objects
+\end{cvardesc}
+
+\begin{cfuncdesc}{int}{PyGen_Check}{ob}
+ Return true if \var{ob} is a generator object; \var{ob} must not be
+ \NULL.
+\end{cfuncdesc}
+
+\begin{cfuncdesc}{int}{PyGen_CheckExact}{ob}
+ Return true if \var{ob}'s type is \var{PyGen_Type}
+ is a generator object; \var{ob} must not be
+ \NULL.
+\end{cfuncdesc}
+
+\begin{cfuncdesc}{PyObject*}{PyGen_New}{PyFrameObject *frame}
+ Create and return a new generator object based on the \var{frame} object.
+ The parameter must not be \NULL.
+\end{cfuncdesc}