bug#58689: 13.1.4; LaTeX-modify-environment fails to modify a single line environment.

[Ikumi Keita]

>>>>> Ikumi Keita <ikumi@ikumi.que.jp> writes:
> Looking at the relevant code, I think I can do something for
> LaTeX-modify-environment to cover the situation where \begin and \end
> are on the same line. I expect that I can have spare time to manage this
> issue on November.

I pushed the fix to the git repository. Sorry for delay due to my loose
outlook about my schedule :-)

Regards,
Ikumi Keita
#StandWithUkraine #StopWarInUkraine