/usr/share/doc/libghc-chart-doc/html/src/ is in libghc-chart-doc 1.5.4-1build1.
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/usr/share/doc/libghc-chart-doc/html/src/Graphics-Rendering-Chart-Axis-Floating.html
/usr/share/doc/libghc-chart-doc/html/src/Graphics-Rendering-Chart-Axis-Indexed.html
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/usr/share/doc/libghc-chart-doc/html/src/hscolour.css