Steps to reproduce: type in some value in the Best browser field and then hit the Enter key
Expected results: the address bar should end up with &survey=Submit+your+opinion; the query string should include &survey=Submit+your+opinion
"If the INPUT type=submit element is part of a FORM element, it appears as a button with a dark border, which indicates the user can press ENTER to submit the form."
coming from MSDN on INPUT type=submit Element
HTML 2.0 reference:
"When there is only one single-line text input field in a form, the user agent should accept Enter in that field as a request to submit the form."
coming from HTML 2.0, section 8.2 Form Submission, page 45
Credit must go to a certain Mikey for defining and explaining this bug in IE Blog on December 18th 2008
Firefox 1.x, Firefox 2.x, Firefox 3.0.5, Opera 9.63, Safari 3.2, Konqueror 4.1.2, Seamonkey 1.x, Seamonkey 2.x, NS 7.2, K-meleon 1.x all pass this test.
This bug has been reported at connect's IE beta feedback as bug 389736. This bug has been closed by the IE team and will not be fixed for the release of IE 8 final.
This bug appears to be the same bug as Bug 362726: IE anomaly when using the enter key to submit a form filed at connect's IE beta feedback which was closed as not reproducible and was not reactivated for over 4 months.