Define a short documentation group and document the major functions:
* lisp/calendar/icalendar-shortdoc.el: New file.
* lisp/calendar/diary-icalendar.el:
* lisp/calendar/icalendar-ast.el:
* lisp/calendar/icalendar-parser.el:
* lisp/calendar/icalendar-recur.el:
* lisp/calendar/icalendar-utils.el: Refer to icalendar-shortdoc.el in
file commentary.
* lisp/calendar/icalendar-macs.el: Ditto, and also mention the macros
for binding values.
* lisp/calendar/icalendar.el: Ditto, and also remove some obsolete
commentary.
Also make some improvements to documentation strings that the above
changes revealed would be helpful:
* lisp/calendar/icalendar-recur.el
(icalendar-recur-recurrences-in-window-w/end-times): Fix broken ref.
(icalendar-recur-current-tz-to-vtimezone): Clarify docstring.
* lisp/calendar/icalendar-parser.el (icalendar-parse): Clarify
docstring.
(Bug#80727)
0326130e1b