googlebot ajax crawl for GWT app

hi,

i have GWT app so i wanted to make it crawlable using directions from
http://code.google.com/web/ajaxcrawling/docs/getting-started.html

i added <meta name="fragment" content="!"> to my page and other stuff necessary according to ajaxcrawling document.
so when i go to http://www.example.com/?_escaped_fragment_= server returns html snapshot corresponding to http://www.example.com.

when i try Fetch as Googlebot from webmaster tools for
http://www.example.com/?_escaped_fragment_=
i can see that googlebot fetched the same html snapshot.

so, what's the problem?
when i look at keywords google found when crawling my site (from webmaster tools), i see only words from my title and noscript tags (just like before adding ajaxcrawling).
how do i know what content google crawled from my site and did google understand <meta name="fragment" content="!"> tag?
does this ajaxcrawling works for anyone?

here: http://www.google.com/support/webmasters/bin/answer.py?answer=79812
is a list of meta tags google understands and <meta name="fragment" content="!"> is NOT among them?

thanks.

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