/usr/share/doc/ is in libghc-texmath-doc 0.6.5.2-1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/libghc-texmath-doc/
/usr/share/doc/libghc-texmath-doc/examples/
/usr/share/doc/libghc-texmath-doc/examples/cgi/
/usr/share/doc/libghc-texmath-doc/examples/cgi/texmath-cgi.hs
/usr/share/doc/libghc-texmath-doc/examples/cgi/texmath.xhtml
/usr/share/doc/libghc-texmath-doc/copyright
/usr/share/doc/libghc-texmath-doc/html/
/usr/share/doc/libghc-texmath-doc/html/Text-TeXMath-Parser.html
/usr/share/doc/libghc-texmath-doc/html/Text-TeXMath-MathML.html
/usr/share/doc/libghc-texmath-doc/html/Text-TeXMath-OMML.html
/usr/share/doc/libghc-texmath-doc/html/mini_Text-TeXMath-Macros.html
/usr/share/doc/libghc-texmath-doc/html/hslogo-16.png
/usr/share/doc/libghc-texmath-doc/html/mini_Text-TeXMath-ToUnicode.html
/usr/share/doc/libghc-texmath-doc/html/mini_Text-TeXMath-OMML.html
/usr/share/doc/libghc-texmath-doc/html/Text-TeXMath-ToUnicode.html
/usr/share/doc/libghc-texmath-doc/html/mini_Text-TeXMath.html
/usr/share/doc/libghc-texmath-doc/html/mini_Text-TeXMath-Pandoc.html
/usr/share/doc/libghc-texmath-doc/html/minus.gif
/usr/share/doc/libghc-texmath-doc/html/Text-TeXMath-Macros.html
/usr/share/doc/libghc-texmath-doc/html/haddock-util.js
/usr/share/doc/libghc-texmath-doc/html/ocean.css
/usr/share/doc/libghc-texmath-doc/html/Text-TeXMath-Types.html
/usr/share/doc/libghc-texmath-doc/html/Text-TeXMath.html
/usr/share/doc/libghc-texmath-doc/html/frames.html
/usr/share/doc/libghc-texmath-doc/html/mini_Text-TeXMath-MathML.html
/usr/share/doc/libghc-texmath-doc/html/mini_Text-TeXMath-Parser.html
/usr/share/doc/libghc-texmath-doc/html/synopsis.png
/usr/share/doc/libghc-texmath-doc/html/index-frames.html
/usr/share/doc/libghc-texmath-doc/html/src/
/usr/share/doc/libghc-texmath-doc/html/src/hscolour.css
/usr/share/doc/libghc-texmath-doc/html/src/Text-TeXMath-Parser.html
/usr/share/doc/libghc-texmath-doc/html/src/Text-TeXMath-MathML.html
/usr/share/doc/libghc-texmath-doc/html/src/Text-TeXMath-OMML.html
/usr/share/doc/libghc-texmath-doc/html/src/Text-TeXMath-ToUnicode.html
/usr/share/doc/libghc-texmath-doc/html/src/Text-TeXMath-Macros.html
/usr/share/doc/libghc-texmath-doc/html/src/Text-TeXMath-Types.html
/usr/share/doc/libghc-texmath-doc/html/src/Text-TeXMath.html
/usr/share/doc/libghc-texmath-doc/html/src/Text-TeXMath-Pandoc.html
/usr/share/doc/libghc-texmath-doc/html/mini_Text-TeXMath-Types.html
/usr/share/doc/libghc-texmath-doc/html/index.html
/usr/share/doc/libghc-texmath-doc/html/texmath.txt
/usr/share/doc/libghc-texmath-doc/html/Text-TeXMath-Pandoc.html
/usr/share/doc/libghc-texmath-doc/html/doc-index.html
/usr/share/doc/libghc-texmath-doc/html/plus.gif
/usr/share/doc/libghc-texmath-doc/changelog.Debian.gz