typedef struct opj_pi_iterator {
/** Enabling Tile part generation*/
OPJ_BYTE tp_on;
- /** precise if the packet has been already used (usefull for progression order change) */
+ /** precise if the packet has been already used (useful for progression order change) */
OPJ_INT16 *include;
/** layer step used to localize the packet in the include vector */
OPJ_UINT32 step_l;