structuredAttrs is enabled

trying https://registry.npmjs.org/rehype-katex/-/rehype-katex-7.0.1.tgz
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100   5863 100   5863   0      0 106.9k      0                              0