/usr/share/doc/bzr-builddeb/user_manual/ is in bzr-builddeb 2.8.7ubuntu1.
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/usr/share/doc/bzr-builddeb/user_manual/building.html
/usr/share/doc/bzr-builddeb/user_manual/configuration.html
/usr/share/doc/bzr-builddeb/user_manual/hooks.html
/usr/share/doc/bzr-builddeb/user_manual/index.html
/usr/share/doc/bzr-builddeb/user_manual/installing.html
/usr/share/doc/bzr-builddeb/user_manual/license.html
/usr/share/doc/bzr-builddeb/user_manual/merge.html
/usr/share/doc/bzr-builddeb/user_manual/mode_selector.html
/usr/share/doc/bzr-builddeb/user_manual/native.html
/usr/share/doc/bzr-builddeb/user_manual/normal.html
/usr/share/doc/bzr-builddeb/user_manual/split.html
/usr/share/doc/bzr-builddeb/user_manual/upstream_tarballs.html