structuredAttrs is enabled

trying https://raw.githubusercontent.com/scipy/dataset-ecg/main/ecg.dat
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100 116.2k 100 116.2k   0      0 541.4k      0                              0