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2003-09-18Update from gnulib.Jim Meyering
(gl_USE_SYSTEM_EXTENSIONS): Call AC_BEFORE first, to avoid spurious warnings like "AC_RUN_IFELSE was called before gl_USE_SYSTEM_EXTENSIONS" from autoreconf.
2003-09-13(gl_USE_SYSTEM_EXTENSIONS): Require AC_AIXJim Meyering
and AC_MINIX, too, so that their extensions are available.
2003-08-09New files, from gnulib.Jim Meyering