lispdoc - results for enough-namestring

(enough-namestring pathname &optional (defaults *default-pathname-defaults*))

Function: Return an abbreviated pathname sufficent to identify the pathname relative to the defaults.

Example:

(defun show-tag-header (file)
  (with-slots (identifier major-version revision
               flags size)
      (read-id3 file)
    (format t "~a ~d.~d ~8,'0b ~d bytes -- ~a~%"
            identifier major-version revision
            flags size (enough-namestring file))))

Mentioned in:
CLtL2 - 23.1.6. Pathname Functions
HyperSpec - Function NAMESTRING, FILE-NAMESTRING, DIRECTORY-NAMESTRING, HOST-NAMESTRING, ENOUGH-NAMESTRING
PCL - constructing new pathnames