>> I tried Scheherzade on Windows 8 in LibreOffice Writer but it didn't
>> work. I wonder if a certain input order is required: digits first,
>> "year" first, space/ no space, etc?
> The year sign is an encompassing mark, so the encoding order is
> <year sign> <digit> [<digit>...]
> In addition to the fonts noted, this works with the Microsoft 'Arabic
> Typesetting' font and the 'Adobe Arabic' font. Both these fonts use contextual
> substitutions to control the width of the sign relative to the number of
> digits, and contextual kerning to position the digits relative to the sign.
Please see my other reply. If you are familiar with those fonts, do you know
which glyph order they expect? I assume logical. Which is kinda against what
OpenType suggests. I'll bring this up on the OpenType list I guess.