/usr/share/doc/libghc-attoparsec-doc/html/src/ is in libghc-attoparsec-doc 0.10.4.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/libghc-attoparsec-doc/html/src/Data-Attoparsec-ByteString-Char8.html
/usr/share/doc/libghc-attoparsec-doc/html/src/Data-Attoparsec-ByteString-FastSet.html
/usr/share/doc/libghc-attoparsec-doc/html/src/Data-Attoparsec-ByteString-Internal.html
/usr/share/doc/libghc-attoparsec-doc/html/src/Data-Attoparsec-ByteString-Lazy.html
/usr/share/doc/libghc-attoparsec-doc/html/src/Data-Attoparsec-ByteString.html
/usr/share/doc/libghc-attoparsec-doc/html/src/Data-Attoparsec-Char8.html
/usr/share/doc/libghc-attoparsec-doc/html/src/Data-Attoparsec-Combinator.html
/usr/share/doc/libghc-attoparsec-doc/html/src/Data-Attoparsec-Internal-Types.html
/usr/share/doc/libghc-attoparsec-doc/html/src/Data-Attoparsec-Internal.html
/usr/share/doc/libghc-attoparsec-doc/html/src/Data-Attoparsec-Lazy.html
/usr/share/doc/libghc-attoparsec-doc/html/src/Data-Attoparsec-Number.html
/usr/share/doc/libghc-attoparsec-doc/html/src/Data-Attoparsec-Text-FastSet.html
/usr/share/doc/libghc-attoparsec-doc/html/src/Data-Attoparsec-Text-Internal.html
/usr/share/doc/libghc-attoparsec-doc/html/src/Data-Attoparsec-Text-Lazy.html
/usr/share/doc/libghc-attoparsec-doc/html/src/Data-Attoparsec-Text.html
/usr/share/doc/libghc-attoparsec-doc/html/src/Data-Attoparsec-Types.html
/usr/share/doc/libghc-attoparsec-doc/html/src/Data-Attoparsec-Zepto.html
/usr/share/doc/libghc-attoparsec-doc/html/src/Data-Attoparsec.html
/usr/share/doc/libghc-attoparsec-doc/html/src/hscolour.css