At 19:18 -0400 2003-09-15, Peter T. Daniels wrote:

>Michael Everson wrote:
>>
>> At 08:36 -0400 2003-09-15, Peter T. Daniels wrote:
>>
>> >Then perhaps the engineers ought to look at the real world sometime. You
>> >could call the overall thing the "Islamic script," for instance.
>>
>> Your own book has a chapter called "Arabic writing" not "Islamic
>> writing" and "Adaptations of Arabic script" not "Adaptations of
> > Islamic script".
>
>Indeed they are adaptations of Arabic script. They are not subsets of
>Arabic script.

For my part I have not used the word "subset" in this discussion.

Having said that, all languages use a subset of the Arabic script
characters encoded in Unicode. Qu'ranic Arabic uses extensions to the
basic script. Indeed, the dotted consonants used in modern spoken
Arabic are extensions to the basic script.
--
Michael Everson * * Everson Typography * * http://www.evertype.com