<SPACE>) to get the list of possible fringe modes. (<SPACE> only
works if both `partial-completion-mode' and `completion-auto-help' are
nil.)
Otherwise the negation of the fringe value in the currently selected
frame parameter is used."
(let ((mode (intern (completing-read
- "Select fringe mode for all frames (SPACE for list): "
+ "Select fringe mode for all frames (type ? for list): "
'(("none") ("default") ("left-only")
("right-only") ("half") ("minimal"))
nil t))))