It is no longer necessary to keep pre-processed files in case of errors
(see commits 3817 and 5224,5302,5816)


git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@13406 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
Do not let indentation grow without bound when pretty-printing the parse tree.


git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@13407 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
Allow parentheses around the typexpr in "type t = [> typexpr ]".


git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@13408 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02