User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.7) Gecko/20050414 Firefox/1.0.3 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.7) Gecko/20050414 Firefox/1.0.3 If you have string like this: <s@s>foo It appears to strike foo as it be: <s>foo Reproducible: Always Steps to Reproduce: 1.Prepare HTML body with <s 2.Enter <s> tag with somme additonal characters like: <s@s> or <s%^&%&%> with some text following. Actual Results: Text inside this 'tag' is striked. Expected Results: As the <s> tag is provided with error, the strike effect shoould not be visible.

Marking this a duplicate of the bug that fixed this issue (by treating <s@s> as the tag "s@s"). *** This bug has been marked as a duplicate of 236002 ***