2010-09-09  Robert Dewar  <dewar@adacore.com>

	* impunit.adb: Add entry for a-izteio.
	* checks.adb: Add comment.
	* debug.adb, exp_disp.adb: Minor reformatting.
	* exp_dbug.ads: Minor reformatting throughout (pack block comments).

From-SVN: r164098