m4--release--1.4--patch-6

[Gary V. Vaughan]

Tree version:   address@hidden/m4--release--1.4
CVSROOT:        /cvsroot/m4
Module name:    m4
Branch:         branch-1_4
Changes by:     address@hidden

Log Message:
        
        Refactoring of the string read case in next_char provides about a
        20% speedup of M4 as typically used by autoconf:
        
        * src/input.c (next_char_1): Renamed from next_char.
        (next_char): New macro.
        * NEWS: Updated.
-- 
Gary V. Vaughan      ())_.  address@hidden,gnu.org}
Research Scientist   ( '/   http://tkd.kicks-ass.net
GNU Hacker           / )=   http://www.gnu.org/software/libtool
Technical Author   `(_~)_   http://sources.redhat.com/autobook
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