Re: Persian digits in math formulas

[Mingranina Gingranina <mingranina@gmail.com>]

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On 8/15/13, Hans Hagen <pragma@wxs.nl> wrote:
> On 8/15/2013 7:30 PM, Mingranina Gingranina wrote:
>> On 8/15/13, Hans Hagen <pragma@wxs.nl> wrote:
>>> On 8/15/2013 4:22 PM, Mingranina Gingranina wrote:
>
>>   A math formula In Persian language is exactly the same as in English
>> language except that the
>>   digits should be written in Persian. So what I want to do is to
>> replace the English digits with
>>   Persian digits in a math formula. However, with your code not only
>> the formula is right aligned, but
>>   also the square root symbol is mirrored.
>
> Assuming that you use math consistently ...
>
> \starttypescript [mathdigits] [all]
>      \resetfontfallback [mathdigits]
> \stoptypescript
>
> \starttypescript [mathdigits] [arabicindic]
>      \definefontfallback [mathdigits] [dejavusansmono]
> [0x0660-0x0669] [check=yes,force=yes,offset=digitsnormal]
>      \definefontfallback [mathdigits] [dejavusansmonobold]
> [0x0660-0x0669] [check=yes,force=yes,offset=digitsbold]
> \stoptypescript
>
> \starttypescript [mathdigits] [extendedarabicindic]
>      \definefontfallback [mathdigits] [dejavusansmono]
> [0x06F0-0x06F9] [check=yes,force=yes,offset=digitsnormal]
>      \definefontfallback [mathdigits] [dejavusansmonobold]
> [0x06F0-0x06F9] [check=yes,force=yes,offset=digitsbold]
> \stoptypescript
>
> % % in next beta: a few more ranges
> %
> % \starttypescript [mathdigits] [arabicindic,extendedarabicindic]
> %     \resetfontfallback  [mathdigits]
> %     \definefontfallback [mathdigits] [dejavusansmono]
> [digits\typescripttwo] [check=yes,force=yes,offset=digitsnormal]
> %     \definefontfallback [mathdigits] [dejavusansmonobold]
> [digits\typescripttwo] [check=yes,force=yes,offset=digitsbold]
> % \stoptypescript
>
> \usetypescript [mathdigits][arabicindic]
>
> \starttypescript [math] [xits] [name]
>
> \definefontsynonym[MathRoman][file:xits-math.otf][features=math\mathsizesuffix,goodies=xits-math,fallbacks=mathdigits]
> \stoptypescript
>
> \setupbodyfont[dejavu]
>
> \starttext
>
>      $3+2=5 \quad \bf 3+2=5$
>
> \stoptext

 Dear Hans,
 Hello

 With the above code the digits are not changed to persian. For your
information I have
 attached the source, log, and PDF files.

 Please note that I have changed '\setupbodyfont[dejavu] to
\setupbodyfont[dejavusans]
 because the font 'dejavu' is not installed on my system.

 Thanks,
 Mingranina

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