+UNIMPL_CMD ("DATASET ACTIVATE", "Switch to alternate data set")
+UNIMPL_CMD ("DATASET CLOSE", "Delete alternate data set")
+UNIMPL_CMD ("DATASET COPY", "Duplicate alternate data set")
+UNIMPL_CMD ("DATASET DECLARE", "Start alternate data set")
+UNIMPL_CMD ("DATASET DISPLAY", "List alternate data sets")
+UNIMPL_CMD ("DATASET NAME", "Give the current data set a name")