emerge htpdate results in: >>> Install htpdate-0.9.0 into /var/tmp/portage/htpdate-0.9.0/image/ category net-misc dodoc: CHANGES does not exist !!! ERROR: net-misc/htpdate-0.9.0 failed. !!! Function src_install, Line 31, Exitcode 1 !!! (no error message) It seems in this version of htpdate CHANGES has been renamed to Changelog in the tarball.
Fixed in CVS. Thanks Michal!