TRNS_CONTINUE = -1, /* Continue to next transformation. */
TRNS_DROP_CASE = -2, /* Drop this case. */
TRNS_ERROR = -3, /* A serious error, so stop the procedure. */
TRNS_CONTINUE = -1, /* Continue to next transformation. */
TRNS_DROP_CASE = -2, /* Drop this case. */
TRNS_ERROR = -3, /* A serious error, so stop the procedure. */