User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.9.0.5) Gecko/2008120122 Firefox/3.0.5 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1b3pre) Gecko/20081219 Shredder/3.0b2pre I want to type service@somecompany.com into mail composition's to-field. After typing service, TB correctly suggests service >> IKEA SERVICE-CENTER <IKEA-SERVICE.DE1@MEMO.IKEA.COM> However, when I press AltGr+@ to get service@..., TB wrongly outputs IKEA SERVICE-CENTER <IKEA-SERVICE.DE1@MEMO.IKEA.COM>@ In other words, I cannot enter service@somecompany.com straightforwardly without TB messing it up. Reproducible: Always Steps to Reproduce: 1. see above 2. 3. Actual Results: Thunderbirds autocompletes with wrong adress and dumps user input Expected Results: Thunderbird should not dump my input but let me continue with typing the desired address

Marked duplicate of bug 464914 (AltGr (or Ctrl+Alt) triggers email selection from the suggestion list)