2009-07-22  Robert Dewar  <dewar@adacore.com>

	* sem_res.adb (Check_No_Direct_Boolean_Operators): Add check for -gnatyB
	* style.ads, styleg.adb, styleg.ads (Check_Boolean_Operator): New
	procedure.
	* usage.adb, stylesw.ads, stylesw.adb: Add handling of -gnatyB switch
	* gnat_ugn.texi: Add documentation of -gnatyB
	* vms_data.ads: Add entry for -gnatyB (STYLE=BOOLEAN_OPERATORS)

From-SVN: r149923