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[Sml] Re: iCalendar standard names

Robert Stepanek <rsto@fastmailteam.com> Wed, 22 October 2025 07:18 UTC

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Date: Wed, 22 Oct 2025 09:17:44 +0200
From: Robert Stepanek <rsto@fastmailteam.com>
To: SML IETF <sml@ietf.org>, Cal Ext IETF <calsify@ietf.org>
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Subject: [Sml] Re: iCalendar standard names
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On Tue, Oct 21, 2025, at 8:39 PM, Ben wrote:
> Short history of calendar Internet standards:
> 
>  • 1996: vCalendar was specified by "Versit Consortium", with .vcs file extention, together with vCard. "Name: Value"- style file format for calendar events. vCal spec <https://web.archive.org/web/20160321023312/https://www.imc.org/pdi/vcal-10.txt>, Wikipedia <https://en.wikipedia.org/wiki/ICalendar>
> 
>  • 1998: iCalendar: Lotus (Notes) and Microsoft update vCalendar and call it iCalendar, with .ics file extension, in RFC 2445.
> 
>  • ...
> 

Thanks, Ben! I didn't know about vCalendar, now that explains why iCalendar objects are formatted as "VCALENDAR" components.

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