1 files changed, 27 insertions, 8 deletions
diff --git a/Doc/lib/libinspect.tex b/Doc/lib/libinspect.tex
index 5cabb80..85651f0 100644
--- a/Doc/lib/libinspect.tex
+++ b/Doc/lib/libinspect.tex
@@ -180,13 +180,32 @@ Note:
   Return true if the object is a data descriptor.
 
   Data descriptors have both a __get__ and a __set__ attribute.  Examples are
-  properties (defined in Python) and getsets and members (defined in C).
-  Typically, data descriptors will also have __name__ and __doc__ attributes 
-  (properties, getsets, and members have both of these attributes), but this 
-  is not guaranteed.
+  properties (defined in Python), getsets, and members.  The latter two are
+  defined in C and there are more specific tests available for those types,
+  which is robust across Python implementations.  Typically, data descriptors
+  will also have __name__ and __doc__ attributes (properties, getsets, and
+  members have both of these attributes), but this is not guaranteed.
 \versionadded{2.3}
 \end{funcdesc}
 
+\begin{funcdesc}{isgetsetdescriptor}{object}
+  Return true if the object is a getset descriptor.
+
+  getsets are attributes defined in extension modules via \code{PyGetSetDef}
+  structures.  For Python implementations without such types, this method will
+  always return \code{False}.
+\versionadded{2.5}
+\end{funcdesc}
+
+\begin{funcdesc}{ismemberdescriptor}{object}
+  Return true if the object is a member descriptor.
+
+  Member descriptors are attributes defined in extension modules via
+  \code{PyMemberDef} structures.  For Python implementations without such
+  types, this method will always return \code{False}.
+\versionadded{2.5}
+\end{funcdesc}
+
 \subsection{Retrieving source code
             \label{inspect-source}}
 
@@ -272,18 +291,18 @@ Note:
 \end{funcdesc}
 
 \begin{funcdesc}{formatargspec}{args\optional{, varargs, varkw, defaults,
-      argformat, varargsformat, varkwformat, defaultformat}}
+      formatarg, formatvarargs, formatvarkw, formatvalue, join}}
 
   Format a pretty argument spec from the four values returned by
-  \function{getargspec()}.  The other four arguments are the
+  \function{getargspec()}.  The format* arguments are the
   corresponding optional formatting functions that are called to turn
   names and values into strings.
 \end{funcdesc}
 
 \begin{funcdesc}{formatargvalues}{args\optional{, varargs, varkw, locals,
-      argformat, varargsformat, varkwformat, valueformat}}
+      formatarg, formatvarargs, formatvarkw, formatvalue, join}}
   Format a pretty argument spec from the four values returned by
-  \function{getargvalues()}.  The other four arguments are the
+  \function{getargvalues()}.  The format* arguments are the
   corresponding optional formatting functions that are called to turn
   names and values into strings.
 \end{funcdesc}