2008-05-23  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/std/tuple: Replace int -> size_t throughout per DR 775. 
	* include/tr1_impl/array: Likewise.
	* include/tr1_impl/utility: Likewise.
	* doc/xml/manual/intro.xml: Add an entry for DR 775.

From-SVN: r135834