2006-12-05  Paolo Carlini  <pcarlini@suse.de>

	DR 543, [Ready].
	* include/bits/slice_array.h (slice::slice()): Implement the
	resolution.
	* include/bits/gslice.h (gslice::_Indexer::_Indexer()): Add.
	(gslice::gslice()): Use it.
	* testsuite/26_numerics/valarray/dr543.cc: New.
	* docs/html/ext/howto.html: Add an entry for DR 543.

From-SVN: r119552