Mixing scripts (Re: Unicode versions (Re: Criteriaforexceptional characters))

[Martin Duerst]

At 19:49 06/12/24, Cary Karp wrote:
>Quoting Martin:
>
>> the spoofing potential between Ascii and Arabic or Hebrew is very low
>> (make sure to use a font that lets the user distinguish Arabic Alif
>> and l/I/1, though). However, mixing Ascii and Arabic or Hebrew is
>> disallowed both in IDNs and in IRIs to avoid bidi problems.
>
>There are widely used fonts in which the U+0627 ARABIC LETTER ALEF, the
>U+05D5 HEBREW LETTER VAV, and the U+05DF HEBREW LETTER FINAL NUN all
>appear as vertical lines (and where the U+05E1 HEBREW LETTER SAMEKH is a
>small circle easily confusable with a U+006F LATIN SMALL LETTER O). It's
>hard to tell from the way Martin's comment is punctuated if he is only
>commenting on the negative effect of mixing ASCII with either Arabic or
>Hebrew.

Yes, only, or at least mostly.   Regards,   Martin.

>No matter, though -- Arabic and Hebrew can be mixed in a single
>label. Since all it takes is a single look-alike pair of frequently used
> characters to do sneaky things, there may be justified concern about
>confusion that can be caused by Arabic-Hebrew substitution.
>
>/Cary
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#-#-#  Martin J. Du"rst, Assoc. Professor, Aoyama Gakuin University
#-#-#  http://www.sw.it.aoyama.ac.jp       mailto:duerst at it.aoyama.ac.jp