[XeTeX] Colored Arabic in Tables

[Tilman Hannemann]

Hello,

I am working on rather complex project that involves mixed Arabic and  
German text, tables, textboxes (with TikZ), and colored parts inside  
the Arabic text. So far, colored Arabic looks really fine thanks to  
the approach described in the bidi documentation. However, I  
discovered that tabularx causes some unexpected problems as I wanted  
to switch the vocalization modes of ArabXeTeX. (There might be  
another problem with failing color definitions as well, but in that  
case, I still have to figure out the culprit.) The minimal example  
below shows how changing the color inside the tabularx environment  
affects the subsequent behavior of ArabXeTeX and of Arabic font  
mapping in general: In both cases, there should be no sukkun above  
the ha', and frankly, I haven't the faintest idea of what is going  
here. So, I would be glad if anyone could lead me in the right  
direction...

Tilman

---

\documentclass{scrartcl}
\usepackage{xltxtra}
\defaultfontfeatures{Mapping=tex-text}
\newfontfamily{\arabicfont}[Script=Arabic,Scale=1.7]{Scheherazade}
\usepackage{polyglossia}
\setdefaultlanguage{arabic}
\usepackage{arabxetex}
\usepackage{tabularx}
\newcommand{\colorred}[1]{{\addfontfeature{Color=FF00FF}#1}}

\begin{document}

\begin{tabularx}{\linewidth}{X}
\textarab[fullvoc]{\colorred{ha}}\\
\end{tabularx}

\textarab[novoc]{h}

\textarabic{ه}


\end{document}

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