\f
* Incompatible Lisp Changes in Emacs 24.1
+** For mouse click input events in the text area, the Y pixel
+coordinate in the POSITION list now counts from the top of the text
+area, excluding any header line. Previously, it counted from the top
+of the header line.
+
** Remove obsolete name `e' (use `float-e' instead).
** A backquote not followed by a space is now always treated as new-style.