This bug appears every time you save an document opened with gedit. It doesn't matter whether you use sudo or gksu.
gksu gedit /etc/sysctl.conf ** (gedit:27447): WARNING **: Set document metadata failed: Setzen des Attributs metadata::gedit-spell-enabled nicht unterstützt ** (gedit:27447): WARNING **: Set document metadata failed: Setzen des Attributs metadata::gedit-encoding nicht unterstützt ** (gedit:27447): WARNING **: Set document metadata failed: Setzen des Attributs metadata::gedit-position nicht unterstützt or : sudo gedit /etc/sysctl.conf [sudo] Passwort für perdu: ** (gedit:27519): WARNING **: Set document metadata failed: Setzen des Attributs metadata::gedit-spell-enabled nicht unterstützt ** (gedit:27519): WARNING **: Set document metadata failed: Setzen des Attributs metadata::gedit-encoding nicht unterstützt -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gedit in Ubuntu. https://bugs.launchpad.net/bugs/1575484 Title: "Set document metadata failed" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gedit/+bug/1575484/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs