[XeTeX] color directives in RL context

[caapv 208]

--- Fran将ョois Charette <firmicus at ankabut.net> wrote:

> Hello again,
> 
> Now another problem related to right-to-left
> typesetting which I had 
> noted a while ago, this time probably a bug (or
> missing feature) in 
> xdvipdfmx.

No, I have dumped .xdv file and confirmed that the
culprit is actually more in the side of the  compiler
rather than in that of the driver.
 
> But with xetex+dvipdfmx (as well as with pdftex),
> the e-TeX directional 

Do you use e-TeX directional for typesetting Arabic
with pdftex???  At least the arabtex package doesn't
use any e-TeX extensions.

> My guess is that dvipdfmx (as well as xdvi) knows
> about Omega 
> directional primitives, but that we still have to
> teach him and his 
> brother xdvipdfmx more about the equivalent e-TeX
> directional primitives...

.dvi (.xdv) do not contain any information for font
directionality, and \special{color push rgb 1 0 0}
are stored there only with the positional information.
With Omega, it is .ofm which supplies the necessary
directionality information.

> Thanks in advance,
> 
> Franセュ式ois

Regards,
SMiyata

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