structuredAttrs is enabled

trying https://mupdf.com/downloads/archive/mupdf-1.27.2-source.tar.gz
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100     15   0     15   0      0    116      0                              0
100    310 100    310   0      0    370      0                              0
  0      0   0      0   0      0      0      0           00:01              0
100 63.86M 100 63.86M   0      0  7.35M      0   00:08   00:08          5.08M