Yeah, sorry! Codemirror automatically keeps your cursor scrolled into view and with lots of people editing, your cursor keeps moving. I just tweaked it (again

Yeah, sorry! Codemirror automatically keeps your cursor scrolled into view and with lots of people editing, your cursor keeps moving. I just tweaked it (again) so that we remove focus from CodeMirror when you scroll the page, so this should be taken care of. Sorry about that!