[luatex] bug in RTL typesetting?

[وفا خلیقی]

There are two things I find weird:
>

Sure as Arabic maths is to me.


>
> 1) why do you slant Arabic script to the right??? It's like slanting Latin
> script to the left, which is quite ugly
>

That is just the font. I had nothing to do with it. The author of the font
fortunately decided to slant Arabic script to right.


>
> 2) why do you use a circle for the zero and not a centered lozange-shaped
> dot as it is traditional in Arabic?
>

In Persian there is a difference between a dot and a zero otherwise in maths
one would mix them. It is said that zero in Persian should appear as a samll
circle.


> You should read Azzeddine's work on typesetting Arabic mathematics, he did
> his PhD on this.
>
>
>
>  I will certainly. Thanks for that.
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