1999-09-28 Akim Demaille <akim@epita.fr>

1999-09-28  Akim Demaille  <akim@epita.fr>

	Make AC_FOREACH be robust to active symbols.

	* acgeneral.m4 (m4_split, m4_join, m4_strip): New macros.
	(AC_FOREACH_COMMA): Renamed as...
	(m4_foreach): this.
	(_AC_CAR): Renamed as...
	(_m4_car): this.
	(_AC_FOREACH): Renamed as...
	(_m4_foreach): this.
	(_AC_COMMATIZE): Removed.
	(AC_FOREACH): Rewritten using m4_split, m4_join, m4_strip, and
	m4_foreach.
	* acgeneral.m4: Spell checked.
	* autoconf.texi: Likewise.