Allow ``::`` surrounded by parenthesis as...
Allow ``::`` surrounded by parenthesis as...

constructor name

yunxing/ocaml,eliberis/ocaml,eliberis/ocaml,msprotz/ocaml,eliberis/ocaml,gerdstolpmann/ocaml,gerdstolpmann/ocaml,yunxing/ocaml,yunxing/ocaml,yunxing/ocaml,gerdstolpmann/ocaml,msprotz/ocaml,gerdstolpmann/ocaml,msprotz/ocaml,yunxing/ocaml,eliberis/ocaml,gerdstolpmann/ocaml,eliberis/ocaml,msprotz/ocaml,msprotz/ocaml