emacs: merlin--{copy,destruct}-enclosing are used by some plugins, mark them public
emacs: merlin--{copy,destruct}-enclosing are used by some plugins, mark them public

Jane Street put customizations on top.

ocaml/merlin,dra27/merlin,rgrinberg/merlin,ocaml/merlin,rgrinberg/merlin,dra27/merlin,rgrinberg/merlin,the-lambda-church/merlin,dra27/merlin,dra27/merlin,the-lambda-church/merlin,ocaml/merlin,ocaml/merlin,rgrinberg/merlin,the-lambda-church/merlin