avoid to input invalid edit mode
avoid to input invalid edit mode

git-svn-id: aefc35c4d2a558cdb840b19a7b656ddc5705d5d4@33 878ac3a0-d211-204e-1a3b-ba5334b63f43

rubbish/evernote-mode,pymander/evernote-mode,jeffkowalski/evernote-mode