eintr: current-kill

 
 B.1 The ‘current-kill’ Function
 ===============================
 
 The ‘current-kill’ function changes the element in the kill ring to
 which ‘kill-ring-yank-pointer’ points.  (Also, the ‘kill-new’ function
 sets ‘kill-ring-yank-pointer’ to point to the latest element of the kill
 ring.  The ‘kill-new’ function is used directly or indirectly by
 ‘kill-append’, ‘copy-region-as-kill’, ‘kill-ring-save’, ‘kill-line’, and
 ‘kill-region’.)
 

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