Last modified: 2012-11-05 22:34:00 UTC
https://payments.wikimedia.org/index.php/Special:GlobalCollectGateway?uselang=en&form_name=RapidHtml&appeal=JimmyQuote&ffname=rtbt-ideal # Select "5 euro" radio button # Select "Other" radio, but do not fill out the field # Submit. The amount will be 5 euro. It should have failed validation.
This is a valid comment, but that functionality in the form is deprecated as all amount selection is done on donate.wikimedia.org .