[tex-live] Font features linked with fontspec-preparse-external apparently broken in fontspec

[Reinhard Kotucha]

On 2014-10-15 at 10:28:46 +0200, Ulrike Fischer wrote:

 > Am Wed, 15 Oct 2014 06:49:32 +0200 schrieb Bruno Voisin:
 > 
 > > Thanks for this. I should have provided more background: calling
 > > fonts by name is indeed the simplest, it works with LuaLaTeX
 > > whether the fonts are installed at the OS level or in the texmf
 > > trees, but with XeLaTeX only when the fonts are installed at the
 > > OS level.
 > 
 > I can without problem call fonts installed in the texmf tree by
 > names in windows. 

It's because xetex is using its own fontconfig under Windows, hence
it comes with its own config file.

On all other systems the fontconfig library provided by the OS is
used.  This is necessary because the font setup is different on
different systems.

Thus xetex can use fonts in texmf trees on Windows only.  However, a
Linux distributor could configure fontconfig so that fonts in texmf
trees can be used like system fonts.

Regards,
  Reinhard

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