/usr/share/doc/libghc-asn1-encoding-doc/html/src/ is in libghc-asn1-encoding-doc 0.9.4-3.
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/usr/share/doc/libghc-asn1-encoding-doc/html/src/Data-ASN1-BinaryEncoding-Parse.html
/usr/share/doc/libghc-asn1-encoding-doc/html/src/Data-ASN1-BinaryEncoding-Raw.html
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/usr/share/doc/libghc-asn1-encoding-doc/html/src/hscolour.css