From: Philippe Verdy (firstname.lastname@example.org)
Date: Wed Nov 26 2003 - 09:40:10 EST
Michael Everson writes:
> >But why do U+10341 [GOTHIC LETTER NINETY] and U+1034A [GOTHIC LETTER NINE
> >HUNDRED], which are letters that are only ever used to represent the
> >numbers 90 and 900 respectively (they have no intrinsic phonetic
> >value), not have a numeric value assigned to them?
> Because there's no particular value in doing so.
> The burden is on you (or whomever) to prove that there would be.
> Otherwise, if it ain't broke, don't fix it.
The cost of such exceptions is that an application cannot reliably use the
general categories to detect, evaluate or create numbers in a relevant
script. So this requires a separate table for each supported script.
This unnecessarily complicates algorithms that support internationalized
numeric strings, in a area where it could be very simply fixed.
We do need that characters that have a numeric property be defined either as
"Nd" (with three non-empty numeric properties values), or "Ni" (with two
non-empty numeric properties values), or "Nl" (with one non-empty numeric
properties values) or "No", i.e. "Number, Other" (with no non-empty numeric
properties), and that NO other category than "Mn" can have non-empty numeric
> >BTW I've just noticed that U+10341 has a general category of
> "Lo" (Letter,
> >Other), whereas U+1034A has a general category of "Nl" (Number,
> Letter), which
> >seems a little odd.
> It does.
And it is fixable...
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