/usr/lib/ghc-doc/hoogle/terminal-progress-bar.txt is in libghc-terminal-progress-bar-doc 0.0.1.3-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-terminal-progress-bar-doc/html/terminal-progress-bar.txt