Re: How to define a CALSCALE?

[email protected] wrote:

> Finally you will need to look at any necessary changes for the 
> recurrence grammar (Section 4.3.10 Recurrence Rule) bits to define the 
> correct grammar sub-parts.  That is, you will want to adjust stuff 
> like BYDAY values of "shanb", "yeksh", etc. and make sure the limits 
> on values is adjusted accordingly. 

Or you might consider specifying that BYDAY still use the Gregorian 
values for days of the week, to reduce the complexity for implementers 
who want to support both scales.  It'd be annoying to humans reading the 
Persian text/calendars, but that's going to be less common.  I imagine 
they'd rather have more choice of implementations to use.

(There is a 1-1 correspondence, right? Shanb is always the same as 
Sunday, yeksh the same as Monday, etc.? I can imagine a calendar where 
the last day or two of the year is not part of any week, and the week 
always gets reset on the first day of the year; such a calendar scale 
couldn't use the Gregorian names, since there wouldn't be a 1-1 
correspondence.)

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|John Stracke      |[email protected]                        |
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