1998-04-21 20:32  Ulrich Drepper  <drepper@cygnus.com>

	* iconv/loop.c: Allow EXTRA_LOOP_DECLS be defined and use it in
	function declaration.
	* iconv/skeleton.c: Allow PREPARE_LOOP and EXTRA_LOOP_ARGS be defined
	and use them in conversion function.
	* iconvdata/Makefile (modules): Re-add ISO6446.
	* iconvdata/TEST: Add tests for ASCII variants.
	* iconvdata/iso646.c: Rewrite to use loop.c and skeleton.c.
	* iconvdata/testdata/ANSI_X3.4-1968: New file.
	* iconvdata/testdata/BS_4730: New file.
	* iconvdata/testdata/BS_4730..UTF8: New file.