Max Nikulin writes:
> (org-export-string-as "Alpha@Beta{"
> 'html
> '(:export-options (body-only)))
> "<p>\nAlpha<span class=\"Beta\"></span>{</p>\n"
>
> (org-export-string-as "Alpha@Beta["
> 'html
> '(:export-options (body-only)))
> Debugger entered--Lisp error: (wrong-type-argument
> number-or-marker-p nil)
Maybe in that case you could add a zero width space character.
In any case, if someone has reasons to write "Alpha@Beta{" they may also
have reasons to write "Alpha_Beta":
(org-export-string-as "Alpha_beta"
'html
'(:export-options (body-only)))
<p>
Alpha<sub>beta</sub></p>
--
Juan Manuel Macías -- Composición tipográfica, tratamiento de datos, diseño
editorial y ortotipografía