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2001-03-06 Gerd Moellmann <gerd@gnu.org>
+ * xterm.c (note_mouse_highlight): Call mouse_face_overlay_overlaps
+ to detect a case where we have to highlight a different region
+ despite not having left the currently highlighted region.
+ Set mouse_face_overlay in the x_display_info.
+ (x_term_init): Initialze the x_display_info's mouse_face_overlay.
+
+ * xterm.h (struct x_display_info): Add mouse_face_overlay.
+
+ * buffer.c (mouse_face_overlay_overlaps): New function.
+
+ * lisp.h (mouse_face_overlay_overlaps): Add prototype.
+ (Qmouse_face): Declare extern.
+
* xdisp.c (redisplay_internal): Set windows_or_buffers_changed
if face_change_count is non-zero.