/usr/share/doc/libghc-blaze-builder-doc/html/src/ is in libghc-blaze-builder-doc 0.3.3.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/libghc-blaze-builder-doc/html/src/Blaze-ByteString-Builder-ByteString.html
/usr/share/doc/libghc-blaze-builder-doc/html/src/Blaze-ByteString-Builder-Char-Utf8.html
/usr/share/doc/libghc-blaze-builder-doc/html/src/Blaze-ByteString-Builder-Char8.html
/usr/share/doc/libghc-blaze-builder-doc/html/src/Blaze-ByteString-Builder-HTTP.html
/usr/share/doc/libghc-blaze-builder-doc/html/src/Blaze-ByteString-Builder-Html-Utf8.html
/usr/share/doc/libghc-blaze-builder-doc/html/src/Blaze-ByteString-Builder-Int.html
/usr/share/doc/libghc-blaze-builder-doc/html/src/Blaze-ByteString-Builder-Internal-Buffer.html
/usr/share/doc/libghc-blaze-builder-doc/html/src/Blaze-ByteString-Builder-Internal-Types.html
/usr/share/doc/libghc-blaze-builder-doc/html/src/Blaze-ByteString-Builder-Internal-UncheckedShifts.html
/usr/share/doc/libghc-blaze-builder-doc/html/src/Blaze-ByteString-Builder-Internal-Write.html
/usr/share/doc/libghc-blaze-builder-doc/html/src/Blaze-ByteString-Builder-Internal.html
/usr/share/doc/libghc-blaze-builder-doc/html/src/Blaze-ByteString-Builder-Word.html
/usr/share/doc/libghc-blaze-builder-doc/html/src/Blaze-ByteString-Builder.html
/usr/share/doc/libghc-blaze-builder-doc/html/src/hscolour.css