http://stackoverflow.com/questions/7714896/firebug-returns-syntax-error-in-doctype SyntaxError: syntax error This usually happens because you are loading an HTML document as a script. This is often caused by (i.e. a relative URI pointing at the current, HTML, document)) or one of the scripts pointing to a 404 error. ================ http://blog.ryanrampersad.com/2008/09/syntax-error-break-on-thi..