GitLab

Access date elements directly rather than using calendar functions.
(org-read-date, org-goto-calendar, org-agenda-goto-calendar):
Also set calendar-view-diary-initially-flag,
calendar-view-holidays-initially-flag
(org-get-entries-from-diary): Also set diary-fancy-buffer.
(org-agenda-execute-calendar-command): No need to set displayed-day.