Files are regenerated by running "make -C po update-po".
The auto-generated files are created by running ./build-aux/bootstrap with Gnulib as at commit f8fea966d67a6ba06231689e63f668bd55ee5797 (with a date stamp of Thu Apr 12 18:56:54 2012 -0700), Autoconf 2.68, Automake 1.11.4 and Gettext 0.18.1.1.