+++
*** New function `posn-actual-col-row' returns actual glyph coordinates.
++++
+*** Mouse events may now include image object in addition to string object.
+
++++
+*** Mouse events include relative x and y pixel coordinates relative to
+the top left corner of the object (image or character) clicked on.
+
+*** New functions 'posn-object' and 'posn-object-x-y' return the image
+or string object of a mouse click, and the x and y pixel coordinates
+relative to the top left corner of that object.
+
** New function `force-window-update' can initiate a full redisplay of
one or all windows. Normally, this is not needed as changes in window
contents are detected automatically. However, certain implicit