(cal-tex-cursor-year)

(cal-tex-cursor-year)
(cal-tex-cursor-year-landscape, cal-tex-cursor-filofax-year)
(cal-tex-cursor-month-landscape, cal-tex-cursor-month)
(cal-tex-cursor-week, cal-tex-cursor-week2, cal-tex-cursor-week-iso)
(cal-tex-cursor-week-monday, cal-tex-cursor-filofax-2week)
(cal-tex-cursor-filofax-week, cal-tex-cursor-filofax-daily)
(cal-tex-cursor-day): Handle mouse events.  Rename ARG to N.
(cal-tex-cursor-month): Mark N as optional.