structuredAttrs is enabled

trying https://registry.npmjs.org/@tiptap/extension-underline/-/extension-underline-3.20.4.tgz
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100   4821 100   4821   0      0  20851      0                              0