Information from Markers

This section describes the functions for accessing the components of a marker object.

— Function: marker-position marker

This function returns the position that marker points to, or nil if it points nowhere.

— Function: marker-buffer marker

This function returns the buffer that marker points into, or nil if it points nowhere.

          (setq m (make-marker))
               ⇒ #<marker in no buffer>
          (marker-position m)
               ⇒ nil
          (marker-buffer m)
               ⇒ nil
          
          (set-marker m 3770 (current-buffer))
               ⇒ #<marker at 3770 in markers.texi>
          (marker-buffer m)
               ⇒ #<buffer markers.texi>
          (marker-position m)
               ⇒ 3770

31.4 Information from Markers