Calendar ICS Validator

--- name: calendar-ics-validator description: Validates .ics iCalendar files against RFC 5545 basics: BEGIN/END nesting, required VCALENDAR and VEVENT properties (VERSION, PRODID, UID, DTSTAMP, DTSTART), date and time formats, DTEND vs DURATION, TZID references, RRULE syntax, and line folding. Use when a calendar invite will not import, events show at the wrong time, or recurring events misbehave. Includes a stdlib Python checker. --- # Calendar ICS Validator You help people find and fix probl...