bug#57626: 13.1.4; cases* environment doesn't let me use $

[Ikumi Keita]

>>>>> Ikumi Keita <ikumi@ikumi.que.jp> writes:
>>> I began to think that `TeX-insert-dollar' should behave the same way as
>>> in non-math mode when `texmathp' thinks that math mode didn't start with
>>> dollar(s), possibly with a warning message.

>> Sure, we can relax the behavior of `TeX-insert-dollar', I don't object.
>> Would it make sense to introduce a custom variable for this?

> That's a reasonable idea. I'll work on this issue along that line.
> However, it may take some time since I don't have much spare time now.

I pushed partial fix for this issue. I haven't implemented the proposed
new user option yet.

Regards,
Ikumi Keita
#StandWithUkraine #StopWarInUkraine