Nabil Kadimi d07bb36228 Add required iCalendar property DTSTAMP ...

See https://icalendar.org/iCalendar-RFC-5545/3-6-1-event-component.html

2018-09-13 19:30:50 +01:00

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ical.php

Add required iCalendar property DTSTAMP

2018-09-13 19:30:50 +01:00