Subject: Re: bug#54949: 13.1.2; Indentation for matrix environments

From: Ikumi Keita <[email-masked]>
Date: Fri, 15 Apr 2022 23:50:45 +0900

Hi Robert,

>>>>> Robert Morelli <[email-masked]> writes:
> The only way I can get the indentation to work with matrix environments
> like matrix, bmatrix, etc. is to start the line with \begin{matrix}. For
> instance, putting:
> Let $E = \begin{bmatrix}
> 1 & 0\\
> 0 & 1
> \end{bmatrix}$ be the
> identity matrix.
> results in the indentation being offset for the remainder of the file.

That's an effect of recent AUCTeX update, which indents matrix-like
environments by the same rule as tabular-like environments. Please
disable that behavior by customizing `LaTeX-indent-environment-list' to
remove entries of matrix-like environments.

Regards,
Ikumi Keita
#StandWithUkraine #StopWarInUkraine