Making GWT application crawlable by a search engine

Question

I want to use the #! token to make my GWT application crawlable, as described here: http://code.google.com/web/ajaxcrawling/

There is a GWT sample app a

Answer 1

Found my answer! The Showcase sample supporting crawlable hyperlinks is in the following branch: http://code.google.com/p/google-web-toolkit/source/browse/branches/crawlability/samples/showcase/?r=7726

It defines a filter in the web.xml to redirect URLs with the _escaped_fragment_ token to the output of HTML Unit.