[Midnightbsd-cvs] src: usr.bin/m4: Update m4 utility; sync with OpenBSD.

[laffer1 at midnightbsd.org]

Log Message:
-----------
Update m4 utility; sync with OpenBSD.  Several little improvements have been made including using the ohash (in our libc) functions and some modern extensions from GNU m4.

Modified Files:
--------------
    src/usr.bin/m4:
        Makefile (r1.1.1.1 -> r1.2)
        (http://cvsweb.midnightbsd.org/src/usr.bin/m4/Makefile?r1=1.1.1.1&r2=1.2)
        eval.c (r1.1.1.1 -> r1.2)
        (http://cvsweb.midnightbsd.org/src/usr.bin/m4/eval.c?r1=1.1.1.1&r2=1.2)
        expr.c (r1.1.1.1 -> r1.2)
        (http://cvsweb.midnightbsd.org/src/usr.bin/m4/expr.c?r1=1.1.1.1&r2=1.2)
        extern.h (r1.1.1.1 -> r1.2)
        (http://cvsweb.midnightbsd.org/src/usr.bin/m4/extern.h?r1=1.1.1.1&r2=1.2)
        gnum4.c (r1.2 -> r1.3)
        (http://cvsweb.midnightbsd.org/src/usr.bin/m4/gnum4.c?r1=1.2&r2=1.3)
        look.c (r1.1.1.1 -> r1.2)
        (http://cvsweb.midnightbsd.org/src/usr.bin/m4/look.c?r1=1.1.1.1&r2=1.2)
        m4.1 (r1.1.1.1 -> r1.2)
        (http://cvsweb.midnightbsd.org/src/usr.bin/m4/m4.1?r1=1.1.1.1&r2=1.2)
        main.c (r1.1.1.1 -> r1.2)
        (http://cvsweb.midnightbsd.org/src/usr.bin/m4/main.c?r1=1.1.1.1&r2=1.2)
        mdef.h (r1.1.1.1 -> r1.2)
        (http://cvsweb.midnightbsd.org/src/usr.bin/m4/mdef.h?r1=1.1.1.1&r2=1.2)
        misc.c (r1.1.1.1 -> r1.2)
        (http://cvsweb.midnightbsd.org/src/usr.bin/m4/misc.c?r1=1.1.1.1&r2=1.2)
        pathnames.h (r1.1.1.1 -> r1.2)
        (http://cvsweb.midnightbsd.org/src/usr.bin/m4/pathnames.h?r1=1.1.1.1&r2=1.2)
        stdd.h (r1.1.1.1 -> r1.2)
        (http://cvsweb.midnightbsd.org/src/usr.bin/m4/stdd.h?r1=1.1.1.1&r2=1.2)
        trace.c (r1.1.1.1 -> r1.2)
        (http://cvsweb.midnightbsd.org/src/usr.bin/m4/trace.c?r1=1.1.1.1&r2=1.2)
    src/usr.bin/m4/TEST:
        ack.m4 (r1.1.1.1 -> r1.2)
        (http://cvsweb.midnightbsd.org/src/usr.bin/m4/TEST/ack.m4?r1=1.1.1.1&r2=1.2)
        hanoi.m4 (r1.1.1.1 -> r1.2)
        (http://cvsweb.midnightbsd.org/src/usr.bin/m4/TEST/hanoi.m4?r1=1.1.1.1&r2=1.2)
        hash.m4 (r1.1.1.1 -> r1.2)
        (http://cvsweb.midnightbsd.org/src/usr.bin/m4/TEST/hash.m4?r1=1.1.1.1&r2=1.2)
        sqroot.m4 (r1.1.1.1 -> r1.2)
        (http://cvsweb.midnightbsd.org/src/usr.bin/m4/TEST/sqroot.m4?r1=1.1.1.1&r2=1.2)
        string.m4 (r1.1.1.1 -> r1.2)
        (http://cvsweb.midnightbsd.org/src/usr.bin/m4/TEST/string.m4?r1=1.1.1.1&r2=1.2)
        test.m4 (r1.1.1.1 -> r1.2)
        (http://cvsweb.midnightbsd.org/src/usr.bin/m4/TEST/test.m4?r1=1.1.1.1&r2=1.2)

Added Files:
-----------
    src/usr.bin/m4:
        parser.y (r1.1)
        (http://cvsweb.midnightbsd.org/src/usr.bin/m4/parser.y?rev=1.1&content-type=text/x-cvsweb-markup)
        tokenizer.l (r1.1)
        (http://cvsweb.midnightbsd.org/src/usr.bin/m4/tokenizer.l?rev=1.1&content-type=text/x-cvsweb-markup)