(calendar-mayan-haab-month-name-array)

(calendar-mayan-haab-month-name-array)
(calendar-mayan-tzolkin-names-array): Add doc strings.
(calendar-mayan-long-count-from-absolute): Use a single let.
(calendar-string-to-mayan-long-count): Simplify.
(calendar-next-haab-date, calendar-previous-haab-date)
(calendar-next-tzolkin-date, calendar-previous-tzolkin-date)
(calendar-previous-calendar-round-date)
(calendar-goto-mayan-long-count-date, calendar-mayan-date-string):
Doc fix.
(calendar-mayan-tzolkin-haab-on-or-before): Use zerop.
(calendar-mayan-date-string, calendar-print-mayan-date)
(calendar-read-mayan-haab-date, calendar-read-mayan-tzolkin-date)
(calendar-mayan-long-count-common-era): Move definitions before use.