[XeTeX] Zero Width Non Joiner, or how not to make a ligature

François Charette firmicus at ankabut.net
Thu Nov 15 15:58:14 CET 2007

John Was a écrit :
> <...>
> At any rate, the zero width non joiner seems too much of an exotic element 
> at present to rely on it.
This may hold for fonts covering the Latin script, but for Arabic, 
Persian etc. the two "pseudo-glyphs" ZWJ and ZWNJ are essential and have 
been standard in Arabic fonts for many years now. My arabxetex package 
relies on them in several instances, and they work with all Arabic fonts 
I have tested until now.


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