SF bug #560286: Add docs for 'basestring'
diff --git a/Doc/lib/libfuncs.tex b/Doc/lib/libfuncs.tex
index b70433e..eeb3be8 100644
--- a/Doc/lib/libfuncs.tex
+++ b/Doc/lib/libfuncs.tex
@@ -80,6 +80,15 @@
above.}
\end{funcdesc}
+\begin{funcdesc}{basestring}{}
+ This abstract type is the superclass for \class{str} and \class{unicode}.
+ It cannot be called or instantiated, but it can be used to test whether
+ an object is an instance of \class{str} or \class{unicode}.
+ \code{isinstance(obj, basestring)} is equivalent to
+ \code{isinstance(obj, (str, unicode))}.
+ \versionadded{2.3}
+\end{funcdesc}
+
\begin{funcdesc}{bool}{\optional{x}}
Convert a value to a Boolean, using the standard truth testing
procedure. If \code{x} is false, this returns \code{False};