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?

>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
Michael Everson * * Everson Typography * *