Tango.info iCal

• http://tools.ietf.org/html/rfc2445
• http://en.wikipedia.org/wiki/ICalendar

• 2006-03-13 festivals.tango.info adds basic ical feature, each festival gets an .ics file
• 2010-06-15 upcoming festivals available at http://www.tango.info/festivals.ics

example file for one festival

BEGIN:VCALENDAR
VERSION:2.0
METHOD:PUBLISH
PRODID:-//tango info//tango info cal//EN
BEGIN:VEVENT
UID:tango.info/2007DEKAEA
DTSTART:20071012T140000Z
DTEND:20071014T040000Z
SUMMARY:Festival Karlsruhe 2007
DESCRIPTION:Festival Karlsruhe 2007\n\nMariana Montes, Sebastián Arce
LOCATION:Karlsruhe
GEO:49.007362,8.405056
CLASS:PUBLIC
CATEGORIES;LANGUAGE=en:tango,festival
DTSTAMP:20010101T010101
END:VEVENT
END:VCALENDAR

• RELATED-TO;RELTYPE=SIBLING|PARENT|CHILD:19960401-080045-4000F192713@example.com

Validator

• http://severinghaus.org/projects/icv/ - rough check
• http://arnout.engelen.eu/icalendar-validator/urlvalidate - more checks