+/** @addtogroup MSG_examples
+ *
+ * - <b>sendrecv/sendrecv.c: Ping-pong example</b>. It's hard to
+ * think of a simpler example. The tesh files laying in the
+ * directory are instructive concerning the way to pass options to the simulators (as described in \ref options).
+ */
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,
+ "Messages specific for this msg example");