[caldeveloper-l] DTSTART that doesn't match RRULE pattern

Andrew Laurence atlauren at uci.edu
Wed Oct 10 14:19:52 PDT 2018


Hi Cyrus,

On Oct 10, 2018, at 12:46 PM, Cyrus Daboo <cyrus at daboo.name<mailto:cyrus at daboo.name>> wrote:

The intent of that was to effectively deprecate the behavior of DTSTART not matching the pattern (without making it outright illegal by using a MUST), with the idea that a future update to 5545 would switch to MUST.

So the point is no one should be using a DTSTART that does not match the RRULE, so no erratum is needed. The behavior was left undefined precisely to move people away from relying on it working.

Given this, perhaps an extension that shifts to MUST is a better approach?

-Andrew
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