2009-04-20  Bob Duff  <duff@adacore.com>

	* sem.adb, gnat1drv.adb, debug.adb: Use the -gnatd.W switch to control
	debugging output.

2009-04-20  Robert Dewar  <dewar@adacore.com>

	* sem_attr.adb: Minor reformatting

	* gnatcmd.adb: Minor reformatting

From-SVN: r146417