On Thu, Nov 19, 2020 at 02:22:20PM +0100, Christopher Dimech wrote:
> I am getting many warnings about "Bad holiday list item:"
> when I call
> 
> (require 'calendar)
> ;;(require 'holidays)
> (setq holiday-solar-holidays
>    '((holiday-fixed 11 22 "First Quarter Moon")) )
> (calendar-mark-holidays)
> 
> 
> 
> 
> 
> 
> 
> Error (holidays): Bad holiday list item: (holiday-fixed 1 1 New Year's Day)
> Error: (void-variable displayed-month)

The variable `displayed-month' is local to a calendar
buffer. Try to evaluate this thing in the context of a
calendar buffer.

Whether things are working as intended or this is to be
considered as a bug... I don't know.

Cheers
 - t