[XeTeX] fontspec_if_current_script or \fontspec_if_script functions of fontspec

Will Robertson wspr81 at gmail.com
Sun Sep 18 08:44:13 CEST 2011

On 2011-09-17 18:44:48 +0930, VAFA KHALIGHI 
<vafaklg at gmail.com> said:

> Why this always returns "non-RTL script"?
> \newif\if at Latin
> \fontspec_if_current_script:nTF {arab} {\@Latinfalse} {\@Latintrue}

I wondered if the documentation for this feature needed work, but it 
seems okay if a little terse: "Test whether the currently loaded font 
is using the specified raw OpenType script tag #1."

This is, you have to execute the conditional after you've selected the font:

  \fontspec_if_current_script:nF {arab} {non-}
  RTL~ script
\newfontfamily\rlfont[Script=Arabic]{XB Zar}

Hope this helps,

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