the holiday event to describe
true to truncate the description at the first
sentence (up to and excluding the first .)
Optionallocale: string
the locale to render the description in; Hebrew locales
(e.g. 'he') get the Hebrew description, everything else gets English
the holiday description, or '' if none is found
Returns a description of the holiday. Uses the English description by default, or the Hebrew description when
localeis a Hebrew locale. Returns an empty string if no description is available.