On Tue, Feb 09, 2021 at 09:26:41PM +0100, Christopher Dimech wrote:

[...]

> > Perhaps you're better off by tweaking those variables:
> >
> >     (defcustom tex-font-script-display '(-0.2 0.2)
[...]
> >     (defcustom tex-suscript-height-ratio 0.8

> Have tried your suggestion, but once the typeface is activated,
> re-setting tex-font-script-display and tex-suscript-height-ratio
> does not revert to the original (i.e. equivalent to disabling the
> tex major made).

You want to change display back-and-forth? Have you tried invoking
(font-lock-refresh-defaults) after changing the variables?

Cheers
 - t