25.8 Recognizer per-symbol events

The recognizer per-symbol events are those which trigger in the recognizer, and which are per-symbol. All recognizer per-symbol event instances are triggered by the marpa_r_earleme_complete() (see marpa_r_earleme_complete) or marpa_r_start_input() (see marpa_r_start_input) methods. Recognizer per-symbol events have one of the event types MARPA_EVENT_SYMBOL_COMPLETED, MARPA_EVENT_SYMBOL_EXPECTED, MARPA_EVENT_SYMBOL_NULLED, and MARPA_EVENT_SYMBOL_PREDICTED.