Some rewriting.

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@13323 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
Adding taquin (from caml_examples) to the examples.

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@13324 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
Imported from caml_examples.

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@13325 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
Imported from caml_examples.

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@13326 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
Labtk now supports 8.6.

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@13327 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02