Display holidays for years Y1 to Y2 (inclusive).
Y2 defaults to Y1. The optional list of holidays L defaults to
`calendar-holidays'. If you want to control what holidays are
displayed, use a different list. For example,
(list-holidays 2006 2006
(append holiday-general-holidays holiday-local-holidays))
will display holidays for the year 2006 defined in the two
mentioned lists, and nothing else.
When called interactively, this command offers a choice of
holidays, based on the variables `holiday-solar-holidays' etc. See the
documentation of `calendar-holidays' for a list of the variables
that control the choices, as well as a description of the format
of a holiday list.
The optional LABEL is used to label the buffer created.
(fn Y1 &optional Y2 L LABEL)