structuredAttrs is enabled

trying https://registry.npmjs.org/prosemirror-state/-/prosemirror-state-1.4.4.tgz
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100  43710 100  43710   0      0 760.4k      0                              0