BTW, the natbib problem is bug #578693. And it looks like Debian already knows and has decided not to fix it yet.
** Bug watch added: Debian Bug tracker #591927 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=591927 ** Also affects: texlive-extra (Debian) via http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=591927 Importance: Unknown Status: Unknown -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/575812 Title: revtex4-1 should be upgraded to bugfix release on 3/15/2010 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs