bug#65648: 13.2; indentation of nested environments

[Uwe Brauer]

> Hi Paul and Uwe,

Hi Keita

> I've been gradually inclined to the attached approach. Namely, align "&"
> as well as \end{foo} relative to beg-col, not beg-pos. In this way, the
> above examples turn into
> ----------------------------------------------------------------------
> \begin{equation*}
>   g = \begin{pmatrix}
>     a & b \\
>     c & d \\
>   \end{pmatrix},
>   \quad
>   h = \begin{pmatrix}
>     x & y \\
>     z & w \\
>   \end{pmatrix}.
> \end{equation*}

Thanks, but:
I applied the patch, recompiled, restarted emacs, and then

\begin{equation*}
  g = \begin{pmatrix}
    a & b \\
    c & d \\
  \end{pmatrix},
  \quad
  h = \begin{pmatrix}
    x & y \\
    z & w \\
  \end{pmatrix}.
\end{equation*}

Either with 

    1. LaTeX-indent-always-align-end-with-begin nil

    2. LaTeX-indent-always-align-end-with-begin t
       
Is filled as

\begin{equation*}
  g = \begin{pmatrix}
    a & b \\
    c & d \\
  \end{pmatrix}, \quad h = \begin{pmatrix}
    x & y \\
    z & w \\
  \end{pmatrix}.
\end{equation*}


That does not look correct to me, sorry the \begin{matrix} should be on
a newline.

Is this a bug?

Regards

Uwe

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