Regression on master: cannot insert math in a table cell

[José Matos]

On Thu, 2024-02-08 at 09:16 +0100, Jürgen Spitzmüller wrote:
> Riki, this might warrant a soonish RC3. It's not only math that was
> disabled, but also special characters, spacing and others.

FWIW I have backported this fix to RC2 (Jürgen's patch applies cleanly)
for Fedora/RHEL packages in copr.

Unsurprisingly I can confirm that this fixes the problem. :-)
-- 
José Abílio