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GNU Emacs Lisp Reference Manual

31.4 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

Function: buffer-has-markers-at position

This function returns t if one or more markers point at position position in the current buffer.