Mapping other Digits to 0-9

Patrik Fältström patrik at frobbit.se
Tue Dec 9 13:04:19 CET 2008


On 5 dec 2008, at 20.50, Andrew Sullivan wrote:

> On Fri, Dec 05, 2008 at 11:26:32AM -0800, Shawn Steele wrote:
>
>> That's fine, but then I'm confused about what the discussion of the
>> Arabic digits is?  Is it just to disallow Arabic digits?
>> (Disallowing them implies to me that someone would map them.)  In
>> either case this isn't just Arabic digits, we allow mapping of
>> digits for other scripts as well.
>
> No, I believe what we are discussing is adding a context rule to the
> protocol that says, "If a label contains a code point in $somerange,
> it must not also contain any code point for $otherrange."  The
> discussion is (1) whether to add this at all and (2) if adding it is
> ok, what the values of $somerange and $otherrange should be.

Correct Andrew.

 From tables-04:

Appendix A.15.  EXTENDED ARABIC-INDIC DIGITS
    [[extended-indic-digit: Example of contextual rule for Extended  
Indic
    Digits. --paf]]
    Code point:
       06F0..06F9
    Overview:
       Can not be mixed with Arabic-Indic Digits.
    Lookup:
       False
    Rule Set:
       True;
       For All Characters:
          If cp .in. 0660..0669 Then False;
       End For;

    Patrik



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