Piotr, even if the response to your work<http://blog.piotrj.org/2009/04/wndowname-hack-taken-step-further-full.html>was muted the issue does come up a lot. It would be great to see this in a project on code.google.com. Would it make sense in that form?
-- http://groups.google.com/group/Google-Web-Toolkit-Contributors
