2006-10-31 Robert Dewar <dewar@adacore.com>

	    Cyrille Comar  <comar@adacore.com>
	    Ben Brosgol  <brosgol@adacore.com>

	* debug.adb:  Update flags documentation

        * gnat_ugn.texi: Add documentation for new -gnatwq switch
        Clean up documentation for several other warning switches
        Clarify how task stack size can be specified with various
        versions of Windows.
        Add note that -gnatVo includes ranges including loops
	Add documentation for -gnatL switch
	Add note on elaboration warning for initializing variables
	Add documentation for new -gnatwt warning switch
	Document new form of pragma Warnings (On|Off, string)
	Add comment on use of pragma Warnings to control warnings
	Add documentation for -gnatjnn switch
	Modify section on interfacing with C for VMS 64-bit.
	Add doc for -gnatVe/E
	Add documentation of new warning flags -gnatww/-gnatwW
	Add warnings about address clause overlays to list of warnings
	(Exception Handling Control): Document that the option --RTS must be
	used consistently for gcc and gnatbind.
	Clarify that inlining is not always possible
	Update documentation on pragma Unchecked_Union.

	* gnat_rm.texi: 
	Add documentation for new extended version of pragma Obsolescent
	Add documentation for implementation defined attribute 'Stub_Type.
	Add note on use of Volatile in asm statements
	Add documentation on use of pragma Unreferenced in context clause
	Document new form of pragma Warnings (On|Off, pattern)
	Document pragma Wide_Character_Encoding
	Add note that pragma Restrictions (No_Elaboration_Code) is only fully
	enforced if code generation is active.
	Add section on pragma Suppress to document GNAT specific check
	Alignment_Check
	Clarify difference between No_Dispatching_Calls & No_Dispatch.
	Add documentation for pragma Restrictions (No_Elaboration_Code)

	* gnat-style.texi: 
	Add comments on layout of subprogram local variables in the
	presence of nested subprograms.

        * ug_words: Resync.

	* elists.ads: Minor reformatting
	Node returns Node_Or_Entity_Id (doc change only)

	* xgnatugn.adb: Replace ACADEMICEDITION with GPLEDITION

	* g-arrspl.ads (Create): Update comments.

	* sem.ads: Add details on the handling of the scope stack.

        * usage.adb: Update documentation.

	* validsw.ads, validsw.adb: 
	Add definition of Validity_Check_Components and implement -gnatVe/E

        * vms_data.ads: Add missing VMS qualifiers.

	* s-addope.ads: Add documentation on overflow and divide by zero



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@118328 138bc75d-0d04-0410-961f-82ee72b054a4

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