User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9b3pre) Gecko/2008020302 SeaMonkey/2.0a1pre Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9b3pre) Gecko/2008020302 SeaMonkey/2.0a1pre When opening an HTML document you're unable to edit the document. However, a second HTML document you can edit that one, but not the first one. if you open a different HTML document first and then the one you want to edit, you're then able to edit it! Reproducible: Always Steps to Reproduce: 1.open HTML file with composer 2. 3. Actual Results: HTML page is open but is displayed as if it was being opened by a browser. Expected Results: file opened and you're allowed to edit it.