Reduce the number of levels in the Table of Contents by one, mostly for the
Python Library Reference. The other manuals do not suffer.
This does not affect HOWTO documents.
diff --git a/Doc/texinputs/manual.cls b/Doc/texinputs/manual.cls
index fe7e3ef..21e74c9 100644
--- a/Doc/texinputs/manual.cls
+++ b/Doc/texinputs/manual.cls
@@ -132,6 +132,7 @@
%
\renewcommand*\l@section{\@dottedtocline{1}{1.5em}{2.6em}}
\renewcommand*\l@subsection{\@dottedtocline{2}{4.1em}{3.5em}}
+\setcounter{tocdepth}{1}
% Fix the theindex environment to add an entry to the Table of