--- /dev/null
+
+p Check the marshaling facilities (trying to to do a in-memory copy)
+$ gras/datadesc_usage --copy --log=root.fmt:%m%n
+> ---- Test on integer ----
+> ---- Test on float ----
+> ---- Test on double ----
+> ---- Test on fixed array ----
+> ---- Test on a reference to an integer ----
+> ---- Test on string (ref to dynamic array) ----
+> ---- Test on dynar containing integers ----
+> ---- Test on all possible struct having 3 fields (49 structs) ----
+> ---- Test on homogeneous structure ----
+> ---- Test on heterogeneous structure ----
+> ---- Test on nested structures ----
+> ---- Test on chained list ----
+> ---- Test on graph (cyclique chained list of 3 items) ----
+> ---- Test on dynar containing integers ----
+> ---- Test on the PBIO IEEE struct (also tests GRAS DEFINE TYPE) ----
+> ---- Test on struct containing dynamic array and its size (cbps test) ----
+> Exiting GRAS
