The most substantial change to the document is that we are proposing a modification to the completion messaging protocol (<a href=http://ipython.org/ipython-doc/dev/development/messaging.html#complete>http://ipython.org/ipython-doc/dev/development/messaging.html#complete</a>).<div><br></div><div>The goal is that each tab completion option be associated with a kind, e.g: file, directory, object,