+
+########################################################################
+
+/** @addtogroup XBT_misc
+
+ Here are several general purposes library components designed specially
+ for you, you lucky one.
+
+
+ @{ */
+ /** @defgroup XBT_graph General purpose graph library */
+/** @} */ End of XBT_misc
+
+/* ************************* *
+ * * PORTABILITY-INTERNALS * * (not included in documentation)
+ * ************************* */