pandoc/test/command/4877.md

% pandoc -f html -t native
My <script type="math/tex">\mathcal{D}</script>
^D
[ Plain [ Str "My " , Math InlineMath "\\mathcal{D}" ] ]

% pandoc -f html -t native
<script type="math/tex; mode=display">\mathcal{D}</script>
^D
[ Plain [ Math DisplayMath "\\mathcal{D}" ] ]