button-map

button-map is a variable defined in `button.el'.
Its value is

(keymap
 (header-line keymap
	      (mouse-2 . push-button))
 (mode-line keymap
	    (mouse-2 . push-button))
 (mouse-2 . push-button)
 (13 . push-button))

• This variable may be risky if used as a file-local variable.

Documentation:
Keymap used by buttons.