a-diroro.ads: Inserted the pragma Unimplemented_Unit

a-diroro.ads: Inserted the pragma Unimplemented_Unit

2007-04-06  Robert Dewar  <dewar@adacore.com>
	    Arnaud Charlet  <charlet@adacore.com>

	* a-diroro.ads: Inserted the pragma Unimplemented_Unit

	* bindgen.adb (Gen_Output_File_Ada): Generate pragma Ada_95 at start
	of files
	Add mention of -Sev (set initialize_scalars option from environment
	variable at run time) in gnatbind usage message.

	* elists.ads, elists.adb: (Append_Unique_Elmt): New procedure

	* fname-uf.ads: Minor comment fix

	* osint.ads: Change pragma Elaborate to Elaborate_All

	* par-load.adb: Add documentation.

	* sem_cat.ads, sem_cat.adb: Minor code reorganization

	* s-parint.ads (RCI_Locator) : Add 'Version' generic formal

	* s-secsta.ads: Extra comments

	* s-soflin.ads: Minor comment fixes

	* s-stratt.ads (Block_Stream_Ops_OK): Removed.

	* s-wchcon.ads: Minor comment addition

	* treepr.adb: Minor change in message
	(Print_Name,Print_Node): Make these debug printouts more robust: print
	"no such..." instead of crashing on bad input.

From-SVN: r123606