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% !Mode:: "TeX:DE:UTF-8:Main"
\RequirePackage{pdfmanagement-testphase}
\DeclareDocumentMetadata{
   pdfversion=1.7
  ,lang=de-DE
  ,uncompress}
\documentclass{article}
\usepackage{tagpdf}

\tagpdfsetup{tabsorder=structure,
             activate}
\usepackage{iftex}             
\iftutex
  \usepackage{fontspec}
  \usepackage{unicode-math}
  \usepackage{luacode}
  \newfontface\zerowidthfont{freeserif}
\else
  \usepackage[T1]{fontenc}
\fi

\usepackage{graphicx}
% ndva doesn't read the alt text of the formulas
\begin{document}
\pagestyle{empty}


\tagstructbegin{tag=P}
  \tagmcbegin{tag=P}
   Ein Satz ohne Umlaute.
  \tagmcend
\tagstructend

\tagstructbegin{tag=Formula}
 \tagmcbegin {tag=Formula,alttext={Dies ist eine Formel}}
  formula
 \tagmcend
\tagstructend

\newpage

\tagstructbegin{tag=P}
  \tagmcbegin{tag=P}
   Ein Satz ohne Umlaute.
  \tagmcend
\tagstructend

\tagstructbegin{tag=Formula,alttext=Dies ist eine zweite Formel}
 \tagmcbegin {tag=Formula}
  formula
 \tagmcend
\tagstructend


\end{document}