Now, instead of inserting text nodes containing whitespace and newlines into the content tree, the editor adds a fake attribute "_moz_dirty" to every node it creates, and relies upon the output system to format any node with that attribute (and, of course, not output the attribute). r=jfrancis git-svn-id: svn://10.0.0.236/trunk@58985 18797224-902f-48f8-a5cc-f745e15eee43