subeqnarray package incompatible

[mbertucci47]

\DocumentMetadata
  {
    lang=en-US,
    pdfversion=2.0,
    pdfstandard=ua-2,
    testphase={phase-III,title,math,table,firstaid}
  }
\documentclass{article}

\usepackage{subeqnarray}

\begin{document}

\begin{subeqnarray}
A & B \\
C & D
\end{subeqnarray}

\end{document}

errors with

! Package tagpdf Error: The number of automatic begin (1) and end (0) text
(tagpdf)                para hooks differ!

[FrankMittelbach]

Using eqnarray is considered bad practice and one should use amsmath environments instead, so the same really goes for subeqnarray even if it is authored by @JohannesBraams

[mbertucci47]

Of course, I'm just logging it because the goal is to be able to convert old arxiv documents (right?).

[FrankMittelbach]

:-) sure, and I mentioned it for people who want to write new documents and to alert Johannes hat his package currently fails