Cleanup.

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@15451 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
Factorize.

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@15453 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
Cleanup.

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@15456 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
Factorize.

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@15459 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02