not handle by ``unreading'' them and exiting.
@end defvar
+@defvar overriding-terminal-local-map
+If non-@code{nil}, this variable holds a keymap to use instead of
+@code{overriding-local-map}, the buffer's local keymap and all the minor
+mode keymaps.
+
+This variable is always local to the current terminal and cannot be
+buffer-local. @xref{Multiple Displays}. It is used to implement
+incremental search mode.
+@end defvar
+
@node Key Lookup
@section Key Lookup
@cindex key lookup