/** true if we should keep going in the face of `survivable' errors */
bool const _tolerant;
/** true if we should `play' (i.e output) referenced DCP data (e.g. for preview) */
/** true if we should keep going in the face of `survivable' errors */
bool const _tolerant;
/** true if we should `play' (i.e output) referenced DCP data (e.g. for preview) */