posn-object

posn-object is a compiled Lisp function in `subr.el'.

(posn-object POSITION)

Return the object (image or string) of POSITION.
Value is a list (image ...) for an image object, a cons cell
(STRING . STRING-POS) for a string object, and nil for a buffer position.
POSITION should be a list of the form returned by the `event-start'
and `event-end' functions.