structuredAttrs is enabled

trying https://registry.npmjs.org/@astrojs/mdx/-/mdx-5.0.4.tgz
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100  13181 100  13181   0      0  53027      0                              0