structuredAttrs is enabled

trying https://registry.npmjs.org/@astrojs/mdx/-/mdx-7.0.5.tgz
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100  20742 100  20742   0      0  88942      0                              0