/usr/share/doc/HTML/ca/ is in partitionmanager 3.3.1-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/HTML/ca/partitionmanager/
/usr/share/doc/HTML/ca/partitionmanager/appendix.docbook
/usr/share/doc/HTML/ca/partitionmanager/copyhowto.docbook
/usr/share/doc/HTML/ca/partitionmanager/credits.docbook
/usr/share/doc/HTML/ca/partitionmanager/faq.docbook
/usr/share/doc/HTML/ca/partitionmanager/glossary.docbook
/usr/share/doc/HTML/ca/partitionmanager/index.cache.bz2
/usr/share/doc/HTML/ca/partitionmanager/index.docbook
/usr/share/doc/HTML/ca/partitionmanager/installoshowto.docbook
/usr/share/doc/HTML/ca/partitionmanager/introduction.docbook
/usr/share/doc/HTML/ca/partitionmanager/referencemanual.docbook
/usr/share/doc/HTML/ca/partitionmanager/resizehowto.docbook
/usr/share/doc/HTML/ca/partitionmanager/usermanual.docbook