internally become @verb{|0 * * * * Mon *|}.
@item
Domain for day-of-week field is [0-7] instead of [0-6], 7 being Sunday
-(like 0). This to comply with @url{http://linux.die.net/man/5/crontab}.
+(like 0). This to comply with @url{https://linux.die.net/man/5/crontab}.
@end itemize
@item nice