> Is there a fast way to find the location of an untranslated message?Search for string in /usr/share/locale-langpack/. If you can't find it,
>
> For example I wann translate "Add/Remove..." string, how I can find out
> its po file?
try installing locales that have more translations than Persian.
It is in gnome-app-install.po/gnome-app-install.mo on Ubuntu 7.10.
You can find translation template at
http://people.ubuntu.com/~mvo/bzr/gnome-app-install/gai--main/po/