par-ch12.adb (P_Generic_Associations): The source position of an Others association is that of the others keyword...

2007-04-20  Ed Schonberg  <schonberg@adacore.com>
	    Robert Dewar  <dewar@adacore.com>

	* par-ch12.adb (P_Generic_Associations): The source position of an
	Others association is that of the others keyword, not that of the token
	that follows the box.
	(P_Formal_Type_Definition): Handle formal access types that carry a
	not null indicator.

	* par-ch3.adb (P_Known_Discriminant_Part_Opt, P_Component_Items): If
	multiple identifier are present, save Scan_State before scanning the
	colon, to ensure that separate trees are constructed for each
	declaration.
	(P_Identifier_Declarations): For object declaration, set new flag
	Has_Init_Expression if initialization expression present.
	(P_Null_Exclusion): Properly diagnose NOT NULL coming before NULL
	Improve NOT NULL error messages

From-SVN: r125439