Michael Everson wrote:

>
> At 04:43 -0400 2003-09-15, Tex Texin wrote:
>
> >Now that is an interesting comment, and I probably should know this, and a
> >quick look didn't turn up the answer: What is the criteria by which Unicode
> >determines what is in or out of a script?
>
> Common sense?

Doesn't look like common sense to me to say that Arabic is a subset of
Urdu.

Is Latin a subset of English?

> >I know the labels are from ISO 15924 (and I know you are involved with that)
> >and that Unicode is the registration authority, but I didn't see any criteria
> >for distinguishing scripts.
> >
> >How is it determined that Urdu is the same as Arabic?
>
> What? Just because Urdu has a few letters that Arabic does not, and
> just because it prefers a different type style, does not make it a
> separate script from Arabic. To write the word Urdu, you write ALEF
> REH DAL WAW.

To write the word corvus, do you write Cee Oh Ar Vee You Ess? No, you
don't.
--
Peter T. Daniels grammatim@...