GitLab

        calendar-mayan-haab-difference, calendar-mayan-tzolkin-difference,
        calendar-mayan-tzolkin-haab-on-or-before,
        calendar-previous-calendar-round-date,
        calendar-absolute-from-mayan-long-count,
        calendar-print-mayan-date): Fix doc strings.

        (filter-visible-calendar-holidays): Test for nil date.

        calendar-mayan-tzolkin-on-or-before): Change `mod' to `%'.

	* cal-mayan.el (calendar-next-tzolkin-date): Delete bogus second
	defun.

        output message.