TASK foo

NOTE Spielerunde
DATE sun 22:00 -- 24:00
DATE sun 22:00 -- 00:00
DATE sun 22:00 -- +2h
DATE (wd = sun) 22:00 -- 24:00
DATE 2021-11-07 22:00 -- 24:00; +w
DATE 2021-11-07 22:00 -- +2h; +w

NOTE daily
DATE *
DATE (true)
DATE 2021-11-07; +d

NOTE on weekends
DATE (wd = sat | wd = sun)

NOTE weekends
DATE sat -- sun
DATE 2021-11-06 -- 2021-11-07; +w
DATE 2021-11-06 -- +d; +w
DATE (wd = sat) -- +d

NOTE last of each month
DATE (m = 1) -d

BIRTHDAY Max
BDATE 1987-05-14

BIRTHDAY Martha
BDATE ?-09-21

NOTE Physics lecture
DATE wed 14:00 -- 15:30
DATE 2021-05-07 14:00 -- 15:30
FROM 2021-04-14
UNTIL 2021-07-28
EXCEPT 2021-05-06
	This is a description of the event. It might mention further information
	that doesn't fit into the title.

	It may even contain multiple paragraphs, separated by an arbitrary amount
	of empty lines, as long as every non-empty line is indented.