/usr/share/doc/ is in tdiary-contrib 3.2.2-1.
This file is owned by root:root, with mode 0o755.
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/usr/share/doc/tdiary-contrib/
/usr/share/doc/tdiary-contrib/en/
/usr/share/doc/tdiary-contrib/en/filter/
/usr/share/doc/tdiary-contrib/en/filter/spambayes.txt
/usr/share/doc/tdiary-contrib/en/util.txt
/usr/share/doc/tdiary-contrib/en/plugin.txt
/usr/share/doc/tdiary-contrib/en/style/
/usr/share/doc/tdiary-contrib/en/style/hatena.txt
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/usr/share/doc/tdiary-contrib/README.Debian
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/usr/share/doc/tdiary-contrib/ja/filter/antirefspam.history.txt
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/usr/share/doc/tdiary-contrib/ja/filter/antirefspam.txt
/usr/share/doc/tdiary-contrib/ja/util.txt
/usr/share/doc/tdiary-contrib/ja/plugin/
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/usr/share/doc/tdiary-contrib/ja/plugin.txt
/usr/share/doc/tdiary-contrib/ja/style/
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/usr/share/doc/tdiary-contrib/changelog.Debian.gz
/usr/share/doc/tdiary-contrib/copyright