dotfiles/dot_vim/plugged/vimtex/test/test-indentation/test_ampersands-off_reference.tex

\begin{equation}
  \begin{aligned}
    1 &
    & 2 \\
    3 &
    & 4 \\
  \end{aligned}
\end{equation}

\begin{align}
  &x(
  y)
\end{align}