There are three actions that can change this: scrolling the window,
switching buffers in the window, and changing the size of the window.
The first two actions run @code{window-scroll-functions}; the last runs
-@code{window-size-change-functions}. The paradigmatic use of these
-hooks is in the implementation of Lazy Lock mode; see @file{lazy-lock.el}.
+@code{window-size-change-functions}.
@defvar window-scroll-functions
This variable holds a list of functions that Emacs should call before