Add optional perms argument to Filename.open_temp_file.

From: Daniel Bünzli <daniel.buenzli@erratique.ch>

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@15722 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
minor filename.mli doc clarification

From: Gabriel Scherer <gabriel.scherer@gmail.com>

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@15723 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
update Changes

From: Gabriel Scherer <gabriel.scherer@gmail.com>

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@15724 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
PR#6494: Add equal function in modules Big_int, Bytes, Char, Digest, Int32, Int64, Nativeint, Num and String

(Romain Calascibetta)

From: Romain Calascibetta <romain.calascibetta@gmail.com>

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@15725 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
PR6695: Add ASCII counterparts to case-mapping functions.

This updates Char, String, Bytes in the stdlib.

For now, they are hidden from documentation and are only for
internal compiler use.

From: Peter Zotov <whitequark@whitequark.org>

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@15726 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
PR6695: Make sure the compiler only uses ASCII string functions.

This should cover all places involving filenames in the compiler.
There are a few more paths still using Latin-1 in other ways,
e.g. in ocamldoc.

From: Peter Zotov <whitequark@whitequark.org>

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@15727 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
PR6695: Make Filename use only US-ASCII functions.

The only place that includes changes is the code for checking
the suffix. It is highly unlikely that the change has any
impact at all.

From: Peter Zotov <whitequark@whitequark.org>

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@15728 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
PR6694: Deprecate Latin-1 string manipulation functions.

Also, add documentation for the US-ASCII variants.

From: Peter Zotov <whitequark@whitequark.org>

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@15729 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
PR6694: Un-warn-error deprecation warnings in Str to preserve legacy behavior.

From: Peter Zotov <whitequark@whitequark.org>

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@15730 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
Update Changes.

From: Peter Zotov <whitequark@whitequark.org>

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@15731 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
add @since tags to the new *_ascii functions

From: Gabriel Scherer <gabriel.scherer@gmail.com>

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@15732 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02