Actually I missed the bottom part of your bug report. I can confirm that the commands typed above do produce the error message "/etc/X11/rgb.txt: No such file or directory". Marking but as confirmed.
** Changed in: xcolors (Ubuntu) Status: Incomplete => Confirmed -- Missing /etc/X11/rgb.txt https://bugs.launchpad.net/bugs/304567 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs