[luatex] Detecting script

Javier Bezos listas at tex-tipografia.com
Fri Jun 17 17:26:23 CEST 2016

I wrote:

> I'll use pre_linebreak_filter then.

Unfortunately, it doesn't work either. If I need to change
the font for a short Arabic text, the isolated  forms are
used. After tracing what pre_linebreak_filter receives it's
clear at this point the contextual analysis has been already
done. How can I fix it?


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