make[1]: Leaving directory `/var/tmp/portage/sys-devel/bison-2.3/work/bison-2.3' dodoc: REFERENCES does not exist dodoc: doc/FAQ does not exist >>> Completed installing bison-2.3 into /var/tmp/portage/sys-devel/bison-2.3/image/
/me stabs bugzilla...
should be fixed in cvs, thanks http://sources.gentoo.org/sys-devel/bison/bison-2.3.ebuild?r1=1.9&r2=1.10