structuredAttrs is enabled

trying https://registry.npmjs.org/katex/-/katex-0.18.4.tgz
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed

  0      0   0      0   0      0      0      0                              0
100  1.42M 100  1.42M   0      0 18.41M      0                              0
100  1.42M 100  1.42M   0      0 18.40M      0                              0
100  1.42M 100  1.42M   0      0 18.39M      0                              0