[r6rs-discuss] Lexical syntax: unicode category "Co"

From: Abdulaziz Ghuloum <aghuloum>
Date: Thu, 13 Sep 2007 13:48:30 -0400

On Sep 13, 2007, at 9:44 AM, John Cowan wrote:

> Abdulaziz Ghuloum scripsit:
>
>> Section 4.2 Lexical syntax (page 12) defines what "constituents" are
>> by enumerating their unicode categories. The inclusion of the
>> category "Co" is interesting since it's a unicode "private use"
>> category containing only the following markers:
>>
>> E000;<Private Use, First>;Co;0;L;;;;;N;;;;;
>> F8FF;<Private Use, Last>;Co;0;L;;;;;N;;;;;
>> F0000;<Plane 15 Private Use, First>;Co;0;L;;;;;N;;;;;
>> FFFFD;<Plane 15 Private Use, Last>;Co;0;L;;;;;N;;;;;
>> 100000;<Plane 16 Private Use, First>;Co;0;L;;;;;N;;;;;
>> 10FFFD;<Plane 16 Private Use, Last>;Co;0;L;;;;;N;;;;;
>
> Note that this is a convention to keep UnicodeData a bit smaller;
> the properties apply to *all* the characters in the ranges
> E000-F8FF, F0000-FFFFD, and 100000-10FFFD.

Thanks. And I though they used the E000..F8FFF as the standard
notation for specifying ranges. What do I know.

Aziz,,,
Received on Thu Sep 13 2007 - 13:48:30 UTC