The cron hooks this site implements, discovered by booting the kernel (so that firing schedules nothing else); KNOWN_CRON_HOOKS is only the fallback list measured on the shipped install.
KNOWN_CRON_HOOKS
The cron hooks this site implements, discovered by booting the kernel (so that firing schedules nothing else);
KNOWN_CRON_HOOKSis only the fallback list measured on the shipped install.