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Re: org-mode export to (latex) PDF

From: Juan Manuel Macías
Subject: Re: org-mode export to (latex) PDF
Date: Thu, 15 Jul 2021 19:40:11 +0000

Maxim Nikulin writes:

> In CSS it is possible to specify a list of fonts and a glyph is taken
> from the first font where it is present. Despite particular fonts have 
> limited coverage, I see wide range of Unicode characters on web pages,
> that is why I am almost sure that system font libraries combine fonts.

In LuaTeX you can associate a font family to a range or a group of
characters. In a book I typesetted some time ago I used the Cardo font
to represent the characters for Private Use Area.

\newfontfamily\cardo{Cardo} % a fontspec command

\def\puatext#1{{\cardo #1}}

  function my_pua (text)
  texto = unicode.utf8.gsub ( text, "([\u{e000}-\u{f8ff}])", "\\puatext{%1}" )
  return text

      ( "process_input_buffer" , my_pua , "my_pua" )}}


(I add a simple substitution to the callback `process_imput_buffer'
[see: http://wiki.luatex.org/index.php/Callbacks], but these kinds of
overrides can also be do from Org using a custom filter).


Juan Manuel 

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