Always return a string, #'current-message. lisp/ChangeLog addition: 2015-04-04 Aidan Kehoe <kehoea@parhasard.net> * gutter-items.el (append-progress-feedback): * gutter-items.el (abort-progress-feedback): Correct comments in both these functions, it's the progress stack being adjusted, not the message stack. * simple.el (message-stack): Describe my recent change in the structure of this. * simple.el (current-message): Adjust the implementation of this to always return the string displayed.