Patch #849350: Update to document bool return values. Backported to 2.3.
diff --git a/Doc/lib/libdoctest.tex b/Doc/lib/libdoctest.tex
index a9ef835..e8983c9 100644
--- a/Doc/lib/libdoctest.tex
+++ b/Doc/lib/libdoctest.tex
@@ -411,7 +411,7 @@
\begin{verbatim}
>>> foo() == {"Hermione": "hippogryph", "Harry": "broomstick"}
-1
+True
>>>
\end{verbatim}
diff --git a/Doc/lib/liboperator.tex b/Doc/lib/liboperator.tex
index fbe14f5..e3aae60 100644
--- a/Doc/lib/liboperator.tex
+++ b/Doc/lib/liboperator.tex
@@ -249,7 +249,7 @@
>>> import operator
>>> o = C()
>>> operator.isMappingType(o)
-1
+True
\end{verbatim}
\begin{funcdesc}{isCallable}{o}
diff --git a/Doc/lib/libpprint.tex b/Doc/lib/libpprint.tex
index 22ffd7b..66f64e2 100644
--- a/Doc/lib/libpprint.tex
+++ b/Doc/lib/libpprint.tex
@@ -111,7 +111,7 @@
\begin{verbatim}
>>> pprint.isreadable(stuff)
-0
+False
\end{verbatim}
\end{funcdesc}
diff --git a/Doc/lib/libweakref.tex b/Doc/lib/libweakref.tex
index 6536048..4600f0a 100644
--- a/Doc/lib/libweakref.tex
+++ b/Doc/lib/libweakref.tex
@@ -186,7 +186,7 @@
>>> r = weakref.ref(o)
>>> o2 = r()
>>> o is o2
-1
+True
\end{verbatim}
If the referent no longer exists, calling the reference object returns