Re: how to add special glyphs

[Max Nikulin]

On 06/03/2023 22:42, Rob Sargent wrote:
> I have added a "boxed x" and "CHECK MARK" to my document, but they do 
> not get exported to pdf output.

LuaLaTeX may be instructed to use fallback fonts, see e.g.

https://list.orgmode.org/87bktus666.fsf_-_@posteo.net/
Juan Manuel Macías. Fallback fonts in LuaTeX via 
'luaotfload.add_fallback' (was "Fontsets"). Tue, 12 Jul 2022 15:26:57 +0000

https://list.orgmode.org/orgmode/scuirf$m7o$1@ciao.gmane.io/
Maxim Nikulin. Re: org-mode export to (latex) PDF. Sat, 17 Jul 2021
19:35:57 +0700

To my taste it is too low level.