[XeTeX] ArabXeTeX, vocalization modes

[Anas Ghrab]

Hi,

Is it possible with ArabXeTeX to change the vocalization mode inside  
the text ? I have \usepackage[fullvoc,fdf2noalif]{arabxetex} but I'd  
like to use novoc sometimes in the text.

Thanks,

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Anas Ghrab
http://anas.ghrab.net