Potentially redundant context rules
Patrik Fältström
patrik at frobbit.se
Tue Jul 28 17:20:41 CEST 2009
See the latest discussion with subject "CONTEXTO Proposal".
I do not draw the same conclusions as you based on the latest thread.
What do others think?
Patrik
On 28 jul 2009, at 15.50, Chris Wright wrote:
> Patrik,
>
> As per our conversation just after the working group meeting
> yesterday, this is a reminder to look into why there are context
> rules for Arabic digits in the tables document (the last two context
> rules) when these tests are already covered by the rules in the BIDI
> document (i.e. they are redundant). If there was some reason for
> this (none that we seem to be able to find) we would suggest that
> this rational be added in the appropriate place in the rational /
> tables/ or BIDI document, otherwise the redundant context rules
> should be removed and the code points returned to PVALID status.
>
> Some previous discussions on the matter seem to support that this
> was to be done in the BIDI document OR as context rules eg.
>
> http://www.alvestrand.no/pipermail/idna-update/2008-November/003024.html
>
> It appears that, perhaps for different reasons, it has actually
> ended up being done in both places. Either way, even if each set of
> rules exist for different reasons, the context rules are redundant.
>
> Thanks
>
> Chris
>
>
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