Is there a difference between converting a string of ASCII digits to an integer versus a string of non-ASCII digits to an integer?

Richard Wordingham richard.wordingham at
Tue Dec 15 18:42:29 CST 2020

On Tue, 15 Dec 2020 15:45:11 -0800
Markus Scherer via Unicode <unicode at> wrote:

> I suspect that Roger is just looking at decimal digits (property gc=Nd
> <>
> ).
> I believe that they can all be parsed like strings of ASCII digits
> (and you can call ICU or other libraries to get at the digit values
> and other properties).
> I suggest you double-check about the RTL digits (N'Ko & Adlam);
> please take a look at the relevant Unicode book chapters.

It looks as though the N'ko section documents the significance by
accident!  I thought a policy was going to be documented (2012 or
slightly later) that decimal digits are stored most significant
digit first, but that doesn't seem to have happened.


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