Arabic index entries are all listed under "unknown" instead of its respective Arabic letters. I'm not sure if this is a bug or a misconfiguration from my side. See the attached example.
Regards, -- Khaled Hosny Arabic localizer and member of Arabeyes.org team
% engine=luatex
%
% Font
\definefontfeature
[arabic]
[mode=node,language=dflt,script=arab,
init=yes,medi=yes,fina=yes,isol=yes,
liga=yes,dlig=yes,rlig=yes,clig=yes,
mark=yes,mkmk=yes,kern=yes,curs=yes]
\starttypescript [serif] [arabic]
\definefontsynonym [Arabic-Light] [name:arabtype] [features=arabic]
\definefontsynonym [Arabic-Bold] [name:arabtype] [features=arabic]
\definefontsynonym [Arabic-Italic] [name:arabtype] [features=arabic]
\definefontsynonym [Arabic-Bold-Italic] [name:arabtype] [features=arabic]
\stoptypescript
\starttypescript [serif] [arabic] [name]
\usetypescript[serif][fallback]
\definefontsynonym [Serif] [Arabic-Light] [features=arabic]
\definefontsynonym [SerifItalic] [Arabic-Italic] [features=arabic]
\definefontsynonym [SerifBold] [Arabic-Bold] [features=arabic]
\definefontsynonym [SerifBoldItalic] [Arabic-Bold-Italic] [features=arabic]
\stoptypescript
\starttypescript [Arabic]
\definetypeface [Arabic] [rm] [serif] [arabic] [default]
\stoptypescript
\usetypescript[Arabic]
\setupbodyfont[Arabic,20pt]
% directionality
\pagedir TRT\bodydir TRT\pardir TRT\textdir TRT
%
\setcharactermirroring[1]
% hyperlinks
\setupinteraction
[state=start,
color=red,
style=bold]
\starttext
\startstandardmakeup
\midaligned{كيف تكتب عربي في كنتكست}
\midaligned{كتبه}
\midaligned{خالد حسني}
\stopstandardmakeup
\completecontent
%\placecontent
\chapter{مقدمة}
... كلام\index{عنصر فهرس} ...
\chapter{أول فصل}
\section[firstsection]{أول باب}
... كلام ...
\section{ثاني باب}
... كلام\index{فهرس آخر} ...
\subsection{ثاني مسألة}
... كلام\index{index entry} ...
\section{ثالث باب}
... كلام ...
\chapter{فصل آخر}
... كلام ...
\chapter[lastchapter]{آخر فصل}
... كلام ...
\completeindex
\stoptext
index_ar.pdf
Description: Adobe PDF document
signature.asc
Description: Digital signature
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