Source code is atouched - submitting a form takes place multiple times (according to firebug)
As per the comments am assuming this wasn't reproducable ?
its very strange but I can not reproduct this at the moment - will try clicking my way again later, so please ignore for the moment.
Is it possible to post the html rendered upon the initial http request?
Are there lots of duplicate ids in the generated forms?
Are you sure the same form gets submitted? or are they the 'other' forms?
Anyway, if any of the above is the case, this probably depends on
forgot to mension- this was tested against the snapshot from 26.11