/usr/share/ is in xul-ext-mozvoikko 2.0.1-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/xul-ext/
/usr/share/xul-ext/mozvoikko/
/usr/share/xul-ext/mozvoikko/README
/usr/share/xul-ext/mozvoikko/components/
/usr/share/xul-ext/mozvoikko/components/MozVoikko2.js
/usr/share/xul-ext/mozvoikko/COPYING
/usr/share/xul-ext/mozvoikko/install.rdf
/usr/share/xul-ext/mozvoikko/ChangeLog
/usr/share/xul-ext/mozvoikko/chrome.manifest
/usr/share/apport/
/usr/share/apport/package-hooks/
/usr/share/apport/package-hooks/source_mozvoikko.py
/usr/share/mozilla/
/usr/share/mozilla/extensions/
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/usr/share/mozilla/extensions/{ec8030f7-c20a-464f-9b0e-13a3a9e97384}/
/usr/share/mozilla/extensions/{3550f703-e582-4d05-9a08-453d09bdfdc6}/
/usr/share/doc/
/usr/share/doc/xul-ext-mozvoikko/
/usr/share/doc/xul-ext-mozvoikko/copyright
/usr/share/doc/xul-ext-mozvoikko/changelog.Debian.gz
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/usr/share/mozilla/extensions/{ec8030f7-c20a-464f-9b0e-13a3a9e97384}/{b676e3ff-cda7-4e0c-b2b8-74e4bb40a67a}
/usr/share/mozilla/extensions/{3550f703-e582-4d05-9a08-453d09bdfdc6}/{b676e3ff-cda7-4e0c-b2b8-74e4bb40a67a}