Comment by eplischke: ... or if you have multi-locales than you can do this way:
<extend-property name="locale" values="en,de"/> <set-property-fallback name="locale" value="en"/> <set-property name="locale" value="en,de"/> For more information: http://code.google.com/p/google-web-toolkit/wiki/DefaultLocaleBinding -- http://groups.google.com/group/Google-Web-Toolkit-Contributors