/usr/share/backgroundrb/doc/content/ is in libbackgroundrb-ruby1.8 1.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/backgroundrb/doc/content/advanced/
/usr/share/backgroundrb/doc/content/advanced/advanced.txt
/usr/share/backgroundrb/doc/content/advanced/advanced.yaml
/usr/share/backgroundrb/doc/content/bugs/
/usr/share/backgroundrb/doc/content/bugs/bugs.txt
/usr/share/backgroundrb/doc/content/bugs/bugs.yaml
/usr/share/backgroundrb/doc/content/community/
/usr/share/backgroundrb/doc/content/community/community.txt
/usr/share/backgroundrb/doc/content/community/community.yaml
/usr/share/backgroundrb/doc/content/content.txt
/usr/share/backgroundrb/doc/content/content.yaml
/usr/share/backgroundrb/doc/content/faq/
/usr/share/backgroundrb/doc/content/faq/faq.txt
/usr/share/backgroundrb/doc/content/faq/faq.yaml
/usr/share/backgroundrb/doc/content/rails/
/usr/share/backgroundrb/doc/content/rails/rails.txt
/usr/share/backgroundrb/doc/content/rails/rails.yaml
/usr/share/backgroundrb/doc/content/scheduling/
/usr/share/backgroundrb/doc/content/scheduling/scheduling.txt
/usr/share/backgroundrb/doc/content/scheduling/scheduling.yaml
/usr/share/backgroundrb/doc/content/workers/
/usr/share/backgroundrb/doc/content/workers/workers.txt
/usr/share/backgroundrb/doc/content/workers/workers.yaml