/usr/share/doc/ is in libpgtcl-dev 1:1.9+git20120911-3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc-base/libpgtcl
/usr/share/doc/libpgtcl-dev/
/usr/share/doc/libpgtcl-dev/libpgtcl.pdf.gz
/usr/share/doc/libpgtcl-dev/changelog.Debian.gz
/usr/share/doc/libpgtcl-dev/changelog.gz
/usr/share/doc/libpgtcl-dev/copyright
/usr/share/doc/libpgtcl-dev/html/
/usr/share/doc/libpgtcl-dev/html/index.html
/usr/share/doc/libpgtcl-dev/html/libpgtcl-loading.html
/usr/share/doc/libpgtcl-dev/html/libpgtcl-ref.html
/usr/share/doc/libpgtcl-dev/html/libpgtcl.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-commandhandles.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-examplesect.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-nullvaluestring.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pgblocking.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pgcancelrequest.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pgconndefaults.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pgconnect.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pgconninfo.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pgdisconnect.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pgescape-bytea.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pgescape-string.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pgexec.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pgexecprepared.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pgexecute.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pggetresult.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pgisbusy.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pglisten.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pgloclose.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pglocreat.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pgloexport.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pgloimport.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pglolseek.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pgloopen.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pgloread.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pglotell.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pglounlink.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pglowrite.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pgon-connection-loss.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pgresult.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pgselect.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pgsendquery.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pgsendqueryprepared.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-pgunescape-bytea.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-quote.html
/usr/share/doc/libpgtcl-dev/html/pgtcl-tclnamespace.html