Variable: visible-bell
visible-bell is a customizable variable defined in dispnew.c.
Value
nil
Documentation
Non-nil means try to flash the frame to represent a bell.
See also ring-bell-function.
Source Code
// Defined in /usr/src/emacs/src/dispnew.c
DEFVAR_BOOL ("visible-bell", visible_bell,
doc: /* Non-nil means try to flash the frame to represent a bell.
See also `ring-bell-function'. */);