Format text in table, e.g. making it fat

Here you can see the problem:

http://dl.dropbox.com/u/40355908/check.png

The developers of VAADIN have an example on their table-tutorialwebsite, in which they do kind of exactly the same.

https://vaadin.com/book/-/page/components.table.html

They add a label with XHTML code and then it works for them, at least in their example