Remove all uses of \sectcode; we can now use logical markup everywhere.
diff --git a/Doc/howto.tex b/Doc/howto.tex
index c52c4f1..b6121a3 100644
--- a/Doc/howto.tex
+++ b/Doc/howto.tex
@@ -69,7 +69,7 @@
% The following is a model for such a reference section, for
% an extension module written in C.
-\section{Extension Module \sectcode{spamsprock}}
+\section{Extension Module \module{spamsprock}}
\exmodindex{spamsprock} % Set the module name for the index
\label{module-spamsprock} % Create a label for cross-references
@@ -104,7 +104,7 @@
% The following section is a model for documenting modules written in
% Python.
-\section{Module \sectcode{sprunkit}}
+\section{Module \module{sprunkit}}
\modindex{ezspam}
\label{module-sprunkit}