Nested footnote and math in footnotes in What If? doesn't work.

[helo-debug]

The nested footnote in the What If? comic Frozen Rivers doesn't work. It shows as following.

There is also a math expression in a footnote in (at least) one comic which doesn't work but shows the "code".

[thisrandom-dude]

(84: Paint The Earth)

[thisrandom-dude]

And 124: Lunar Swimming also has LaTeX in a footnote