void (*flush_display) (struct frame *f);
/* Flush the display of frame F if non-NULL. This is called
- during redisplay, and should be NULL on systems which flushes
+ during redisplay, and should be NULL on systems which flush
automatically before reading input. */
void (*flush_display_optional) (struct frame *f);
- /* Clear the mouse hightlight in window W, if there is any. */
+ /* Clear the mouse highlight in window W, if there is any. */
void (*clear_window_mouse_face) (struct window *w);
/* Set *LEFT and *RIGHT to the left and right overhang of GLYPH on