emacs: use another way to specify annotation function for completion-at-point.
emacs: use another way to specify annotation function for completion-at-point.

fxfactorial/merlin,ocaml/merlin,dra27/merlin,fxfactorial/merlin,rgrinberg/merlin,haselwarter/merlin,chriskonstad/merlin,dra27/merlin,rgrinberg/merlin,ocaml/merlin,fxfactorial/merlin,neojski/merlin,haselwarter/merlin,ocaml/merlin,the-lambda-church/merlin,neojski/merlin,chriskonstad/merlin,haselwarter/merlin,chambart/merlin,neojski/merlin,the-lambda-church/merlin,fxfactorial/merlin,neojski/merlin,chambart/merlin,rgrinberg/merlin,the-lambda-church/merlin,chambart/merlin,dra27/merlin,rgrinberg/merlin,ocaml/merlin,dra27/merlin,haselwarter/merlin,chambart/merlin