string to be yanked as the sole argument, and should return the (possibly)
transformed string.
-The functions will be called from the buffer the string will be
-inserted, and with point at the place where the string is to be
-inserted."
+The functions will be called with the destination buffer as the current
+buffer, and with point at the place where the string is to be inserted."
:type '(repeat function)
:version "29.1"
:group 'killing)