When I'm using printconf-gui 0.2.6 installed from rpms in http://people.redhat.com/crutcher/printing/ in an environment with LC_ALL=sv_SE and LANG=sv_SE, I get no Swedish translations except those few menu options from gnome libs or gtk+ libs or what it is. This was working in previous versions. I examined the rpm somewhat and could not find any message catalogs... :-(
I think this is an artifact of the build system. The 'latest' rpms are built on my machine, and don't go through the build system proper, and for some reason, this strips off the language files.
my fault, fixed.
It's not fixed in printconf 0.2.7... do you have a release with this fix? Would be a help for translators to verify printconf translations.