2013-04-25  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch6.adb: Add with and use clause for Stringt.
	(Expand_Contract_Cases): Moved from sem_ch6. Add formal parameters
	Decls and Stmts along with comments on their usage.
	* exp_ch6.ads (Expand_Contract_Cases): Moved from sem_ch6.
	* sem_ch6.adb (Expand_Contract_Cases): Moved to exp_ch6.
	(Process_Contract_Cases): Update the call to Expand_Contract_Cases.

2013-04-25  Ed Schonberg  <schonberg@adacore.com>

	* gnat_rm.texi: Minor editing, to clarify use of dimension aspects.
	* sem_util.adb (Is_OK_Variable_For_Out_Formal): Reject an
	aggregate for a packed type, which may be converted into an
	unchecked conversion of an object.

From-SVN: r198292