I believe this is because gnome-documents 0.4 is not in Ubuntu 12.04, so I'm marking this a duplicate of bug 966772.
gnome-documents 0.4 is in the GNOME3 PPA if you want to try that.
I believe this is because gnome-documents 0.4 is not in Ubuntu 12.04, so I'm marking this a duplicate of bug 966772.
gnome-documents 0.4 is in the GNOME3 PPA if you want to try that.