rfc2445.txt:Derik Stenerson:microsoft:usa:141:nov:1998:UNKNOWN:abnf,kwd,seccons:draft-ietf-calsch-ical:2009-05-07:2008-07-30:240:0:2:40:282:1:2007-11-08:0::2007-11-08:267:2009-06-04:27