\require{begingroup}
\begingroup
$ \require{begingroup} \begingroup \text{begingroup Jax} \def\ce#1{\Huge\color{\purple}{\mathrm{I~love~chemistry!}}} $
This is the body of the test question. There isn't actually anything here. I'm curious to see how many downvotes this gets.
Initial usage of \frac
:
\frac{1}{2}
$ \frac{1}{2} $
\endgroup
$ \endgroup \text{endgroup Jax} $
\require{begingroup}\begingroup\def\frac#1#2{#2\over #1} \text{\xgroup protected Jax with redefine of \frac}\endgroup
$\endgroup$\require{begingroup}\begingroup\endgroup\def\frac#1#2{#2\over #1} \text{\xgroup protected Jax with redefine of \frac, but blocked with extra \xgroups}\begingroup\endgroup
$\endgroup$