Translation of GUC
1.) Save the english original file on your computer. You find it here. (right click and save target as...)
2.) Translate the file in a editor. IMPORTANT: Use a UTF-8 Editor. Windows Editor is NOT compatible. e.g. PSPad is a good and easy editor.
3.) If you are sure that your translation is good, send the file to luxo[at]toolserver[dot]org.
Some languages are already partially translated. You can download the actual file here, but the new file should have the new syntax.