<div dir="ltr">One more thing with Persian typesetting in LuaTeX which concerns me is the "Kashida" concept in Persian and I think it is the same in Arabic. We had a discussion on XeTeX mailing list and Jonathan implemented Kashida for Persian. Please have a look at<br>
<br><a href="http://tug.org/pipermail/xetex/2009-February/012306.html">http://tug.org/pipermail/xetex/2009-February/012306.html</a><br><br><a href="http://tug.org/pipermail/xetex/2009-February/012307.html">http://tug.org/pipermail/xetex/2009-February/012307.html</a><br>
<br><br>Now you can find development files at <a href="http://scripts.sil.org/svn-public/xetex/TRUNK/texmf/tex/xelatex/xepersian">http://scripts.sil.org/svn-public/xetex/TRUNK/texmf/tex/xelatex/xepersian</a><br><br>Jonathan used \XeTeXinterchartoks to implement Kashida. The question is can the same thing be done in luatex (does luatex provide any primitive similar to \XeTeXinterchartoks) or I should bewritting some lua codes for that?<b><font color="#a020f0"><br>
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