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Re: compute ISBN-10, char-to-int?
From: |
Eli Zaretskii |
Subject: |
Re: compute ISBN-10, char-to-int? |
Date: |
Sat, 07 Sep 2019 20:20:37 +0300 |
> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Date: Sat, 07 Sep 2019 13:13:45 -0400
>
> I think the main threat could come from a charset where digits appear
> multiple times (e.g. some kind of iso-2022 system where some of the
> sub-charsets also include digits), in which case (+ n ?0) would still
> work but (- c ?0) could occasionally fail. But, I don't know of such
> a charset either.
All true, but not really relevant to the issue at hand, because in
Emacs characters are always Unicode codepoints.
- Re: compute ISBN-10, char-to-int?, (continued)
- Re: compute ISBN-10, char-to-int?, tomas, 2019/09/05
- Re: compute ISBN-10, char-to-int?, Emanuel Berg, 2019/09/05
- Re: compute ISBN-10, char-to-int?, Eli Zaretskii, 2019/09/05
- Re: compute ISBN-10, char-to-int?, tomas, 2019/09/05
- Re: compute ISBN-10, char-to-int?, Emanuel Berg, 2019/09/05
- Re: compute ISBN-10, char-to-int?, Eli Zaretskii, 2019/09/06
- Re: compute ISBN-10, char-to-int?, tomas, 2019/09/06
- Re: compute ISBN-10, char-to-int?, Emanuel Berg, 2019/09/06
- Re: compute ISBN-10, char-to-int?, Eli Zaretskii, 2019/09/06
- Re: compute ISBN-10, char-to-int?, Stefan Monnier, 2019/09/07
- Re: compute ISBN-10, char-to-int?,
Eli Zaretskii <=
- Re: compute ISBN-10, char-to-int?, Stefan Monnier, 2019/09/07
- Re: compute ISBN-10, char-to-int?, Eli Zaretskii, 2019/09/07
- Re: compute ISBN-10, char-to-int?, Stefan Monnier, 2019/09/07
- Re: compute ISBN-10, char-to-int?, Emanuel Berg, 2019/09/09
- Re: compute ISBN-10, char-to-int?, Perry Smith, 2019/09/09