Check out the Etherpad plugins, stuff like showing cursor position is available http://beta.etherpad.org http://beta.etherpad.org has it enabled for example..

Check out the Etherpad plugins, stuff like showing cursor position is available http://beta.etherpad.org http://beta.etherpad.org has it enabled for example.. Etherpad is extendable and does support code editing with syntax highlighting, you just have to jump into /admin/plugins and click "install" on whatever plugin you want :)