ATS2-0.2.3

## ats2-postiats-0.2.3:

    This is the 26th release of ATS2, the successor of the ATS
    (currently referred to as ATS1) programming language. The compiler
    for ATS2 is given the name ATS/Positats, ATS2/Postiats or simply
    Postiats.

    The official website for ATS is:

    http://www.ats-lang.org

    ATS-Postiats is hosted at github:

    https://github.com/githwxi/ATS-Postiats

    Major releases of ATS2 are available at:

    https://sourceforge.net/projects/ats2-lang

    Major releases of external packages for ATS2 are available at:

    https://sourceforge.net/projects/ats2-lang-contrib

    Here is a list of major additions and changes since the last release:

    1. Enforcing that the definition of each declared function be
       lam-abstract. For instanct, the following code results in an
       error during compilation:
       fun fact = fix f(n:int): int => if n > 0 then n*f(n-1) else 1
       Of course, one can always have:
       val fact = fix f(n:int): int => if n > 0 then n*f(n-1) else 1
    (*
    //
    // HX-2015-09-15: This is re-implemented:
    //
    2. Supporting the use of locally defined templates:
       local fun foo(): int = 0 in fun{} foo2() = foo() + 1 end
       local fun{} foo(): int = 0 in fun{} foo2() = foo() + 1 end
    *)
    3. Changing some names:
       _ATS_CCOMP_HEADER_NONE -> _ATS_CCOMP_HEADER_NONE_
       _ATS_CCOMP_PRELUDE_NONE -> _ATS_CCOMP_PRELUDE_NONE_
       _ATS_CCOMP_PRELUDE_USER -> _ATS_CCOMP_PRELUDE_USER_
       _ATS_CCOMP_PRELUDE_USER2 -> _ATS_CCOMP_PRELUDE_USER2_
       _ATS_CCOMP_RUNTIME_NONE -> _ATS_CCOMP_RUNTIME_NONE_
       _ATS_CCOMP_EXCEPTION_NONE -> _ATS_CCOMP_EXCEPTION_NONE_
       _ATS_CCOMP_RUNTIME_TRYWITH_NONE -> _ATS_CCOMP_RUNTIME_TRYWITH_NONE_
    4. Moving libatsynmark to utils/libatsynmark
    5. Fixing an issue that causes crash due to compiling atstyvar_type.
       See hitype_tyvar_test in [pats_ccomp_hitype] for more information.
    6. Changing the keyword 'require' to '#require' (for atspkgreloc)
    7. Adding into ATSPRE string/string_forall and string/string_iforall
    8. Reorganizing:
       moving the fprint-functions in prelude into prelude/fprintf.cats
    9. Fixing a bug in CATS-parsemit (that affects parsing #if(0) ... #endif)