\tableofcontents:  Add support for some warning reduction in python.sty.
diff --git a/Doc/texinputs/howto.cls b/Doc/texinputs/howto.cls
index a124221..901cf87 100644
--- a/Doc/texinputs/howto.cls
+++ b/Doc/texinputs/howto.cls
@@ -79,6 +79,7 @@
   \endgroup
   \@doHorizontalRule
   \vspace{12pt}
+  \@doing@page@targetstrue
 }  
 
 \@ifundefined{fancyhf}{