/usr/share/ is in ruby-rails-assets-markdown-it 7.0.0-3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/
/usr/share/doc/ruby-rails-assets-markdown-it/
/usr/share/doc/ruby-rails-assets-markdown-it/README.md
/usr/share/doc/ruby-rails-assets-markdown-it/copyright
/usr/share/ruby-rails-assets-markdown-it/
/usr/share/ruby-rails-assets-markdown-it/app/
/usr/share/ruby-rails-assets-markdown-it/app/assets/
/usr/share/ruby-rails-assets-markdown-it/app/assets/javascripts/
/usr/share/ruby-rails-assets-markdown-it/app/assets/javascripts/markdown-it/
/usr/share/ruby-rails-assets-markdown-it/app/assets/javascripts/markdown-it.js
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/rails-assets-markdown-it-7.0.0.gemspec
/usr/share/doc/ruby-rails-assets-markdown-it/changelog.Debian.gz
/usr/share/ruby-rails-assets-markdown-it/app/assets/javascripts/markdown-it/markdown-it.js