/usr/share/doc/ is in libghc-flexible-defaults-doc 0.0.1.2-3build3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/libghc-flexible-defaults-doc/
/usr/share/doc/libghc-flexible-defaults-doc/changelog.Debian.gz
/usr/share/doc/libghc-flexible-defaults-doc/copyright
/usr/share/doc/libghc-flexible-defaults-doc/html/
/usr/share/doc/libghc-flexible-defaults-doc/html/Language-Haskell-TH-FlexibleDefaults.html
/usr/share/doc/libghc-flexible-defaults-doc/html/doc-index.html
/usr/share/doc/libghc-flexible-defaults-doc/html/flexible-defaults.txt
/usr/share/doc/libghc-flexible-defaults-doc/html/haddock-util.js
/usr/share/doc/libghc-flexible-defaults-doc/html/hslogo-16.png
/usr/share/doc/libghc-flexible-defaults-doc/html/index.html
/usr/share/doc/libghc-flexible-defaults-doc/html/mini_Language-Haskell-TH-FlexibleDefaults.html
/usr/share/doc/libghc-flexible-defaults-doc/html/minus.gif
/usr/share/doc/libghc-flexible-defaults-doc/html/ocean.css
/usr/share/doc/libghc-flexible-defaults-doc/html/plus.gif
/usr/share/doc/libghc-flexible-defaults-doc/html/src/
/usr/share/doc/libghc-flexible-defaults-doc/html/src/Language-Haskell-TH-FlexibleDefaults-DSL.html
/usr/share/doc/libghc-flexible-defaults-doc/html/src/Language-Haskell-TH-FlexibleDefaults-Solve.html
/usr/share/doc/libghc-flexible-defaults-doc/html/src/Language-Haskell-TH-FlexibleDefaults.html
/usr/share/doc/libghc-flexible-defaults-doc/html/src/hscolour.css
/usr/share/doc/libghc-flexible-defaults-doc/html/synopsis.png