-/**
+/**
@page GRAS_tut_tour_simpleexchange Lesson 2: Exchanging simple messages
\section GRAS_tut_tour_simpleexchange_toc Table of Contents
- \ref GRAS_tut_tour_simpleexchange_socks
- \ref GRAS_tut_tour_simpleexchange_exchange
- \ref GRAS_tut_tour_simpleexchange_recaping
-
-<hr>
+
+<hr>
\section GRAS_tut_tour_simpleexchange_msgtype Declaring the messages to be exchanged