[XeTeX] [EXT] solved partially

[Stefan Solbrig]

> Am 16.10.2022 um 21:25 schrieb Ulrike Fischer <news3 at nililand.de>:
> 
> Am Sun, 16 Oct 2022 18:47:30 +0200 schrieb Janusz S. Bień:
> 
>> On Sun, Oct 16 2022 at 17:56 +02, Janusz S. Bień wrote:
>> 
>> Frank Mittelbach was kind enough to provide me with the relevant information:
>> 
>> On Sun, Oct 16 2022 at  9:21 -07, Frank Mittelbach wrote:
>>> I checked. In Unicode this slot is default-ignorable and both XeTeX
>>> and LuaTeX do not print glyphs with that attribute (probably because
>>> the aren't not meant for printing).
>>> 
>>> In luaTeX (but not in XeTeX I think) you can change this behavior.
>> 
>> So the questions left are:
>> 
>> Is it really impossible to do it in XeTeX?
> 
> With lualatex you can force the glyph with Renderer=base:
> 
> \documentclass{article}
> \usepackage{fontspec}
> \setmainfont{Noto Sans Manichaean}[Renderer=Base]
> \begin{document}
> \thispagestyle{empty}
> 
> \char"FE00
> 
> \end{document}
> 
> With xelatex you can use the glyph slot:
> 
> \documentclass{article}
> \usepackage{fontspec}
> \setmainfont{Noto Sans Manichaean}\begin{document}
> \thispagestyle{empty}
> 
> \XeTeXglyph58
> 
> \end{document}
> 
> The number 58 is font dependant (I found this one by looking in the
> font cache file created by  lualatex) 
> 
> -- 
> Ulrike Fischer 
> http://www.troubleshooting-tex.de/

Hi,
In XeTeX, you can also use \XeTeXcharglyph to get the (font dependant) glyph number for the character code.

\newcount\buffer
{%
\font\1="[./NotoSansManichaean-Regular.ttf] :script=mani"\1
\global\buffer\XeTeXcharglyph"FE00\relax
\XeTeXglyph\buffer\relax % prints the glyph
}

\number\buffer % prints the glpyh number

{% short
\font\1="[./NotoSansManichaean-Regular.ttf] :script=mani"\1
\XeTeXglyph\XeTeXcharglyph"FE00\relax
}