[multiple changes]

2011-08-05  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch12.adb (Analyze_Formal_Package_Declaration): reject a formal
	package whose name is the same as that of the generic unit, or its
	ultimate prefix.

2011-08-05  Bob Duff  <duff@adacore.com>

	* a-fihema.adb, a-fihema.ads: Minor comment improvements.
	* sem_ch3.adb, exp_ch5.adb, exp_ch7.adb, exp_ch7.ads, exp_util.adb:
	Minor comment fixes.

From-SVN: r177438