[XeTeX] Are the new etex changes reflected in XeTeX? (was XeTeX bugs in bidirectional typesetting)

[Vafa Khalighi]

Hi


When I discussed the TeX--XeT issues with Peter Bre­it­en­lohner, he made few 
changes in etex. Are these changes applied to XeTeX?


The changes were:


1) Fix hyphenation of LR and RL text


see 
http://tug.org/svn/texlive/trunk/Build/source/texk/web2c/etexdir/etex.ch?r1=29312&r2=32197


2) Better handling of right to left text


This is quite important since he changed TeX--XeT model into a new version 
where the order of whatsit nodes is no longer reversed. I believe this fixes 
many of the TeX--XeT problems if XeTeX applies it.


see 
http://tug.org/svn/texlive/trunk/Build/source/texk/web2c/etexdir/etex.ch?r1=29250&r2=29312


If this is not applied in XeTeX, it is better to apply it and see how things 
work.





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