* adabkend.adb, ali-util.adb, errout.adb, exp_ch7.adb,
	* exp_dbug.adb, freeze.adb, lib-xref.adb, restrict.adb,
	* sem_attr.adb, sem_ch4.adb, sem_ch5.adb, sem_ch6.adb, sem_ch8.adb,
	* sem_prag.adb, sem_res.adb, sem_util.adb Rename SPARK_Mode into
	GNATprove_Mode.
	* sem_ch13.adb: Remove blank.
	* exp_spark.adb, exp_spark.ads (Expand_SPARK_Call): Only replace
	subprograms by alias for renamings, not for inherited primitive
	operations.
	* exp_util.adb (Expand_Subtype_From_Expr): Apply the expansion
	in GNATprove mode.
	(Remove_Side_Effects): Apply the removal in
	GNATprove mode, for the full analysis of expressions.
	* expander.adb (Expand): Call the light SPARK expansion in GNATprove
	mode.
	(Expander_Mode_Restore, Expander_Mode_Save_And_Set): Ignore
	save/restore actions for Expander_Active flag in GNATprove mode,
	similar to what is done in ASIS mode.
	* frontend.adb (Frontend): Generic bodies are instantiated in
	GNATprove mode.
	* gnat1drv.adb (Adjust_Global_Switches): Set operating
	mode to Check_Semantics in GNATprove mode, although a light
	expansion is still performed.
	(Gnat1drv): Set Back_End_Mode to
	Declarations_Only in GNATprove mode, and later on special case
	the GNATprove mode to continue analysis anyway.
	* lib-writ.adb (Write_ALI): Always generate ALI files in
	GNATprove mode.
	* opt.adb, opt.ads (Full_Expander_Active): Make it equivalent to
	Expander_Active.
	(SPARK_Mode): Renamed as GNATprove_Mode.
	* sem_aggr.adb (Aggregate_Constraint_Checks): Add checks in the
	tree in GNATprove_Mode.
	* sem_ch12.adb (Analyze_Package_Instantiation): Always instantiate
	body in GNATprove mode.
	(Need_Subprogram_Instance_Body): Always instantiate body in GNATprove
	mode.
	* sem_ch3.adb (Constrain_Index, Process_Range_Expr_In_Decl):
	Make sure side effects are removed in GNATprove mode.

From-SVN: r206805

2013-10-17  Yannick Moy  <moy@adacore.com>

	* sem_ch8.adb (Find_Direct_Name): Keep track of assignments for
	renamings in SPARK mode.

2013-10-17  Yannick Moy  <moy@adacore.com>

	* exp_spark.adb (Expand_SPARK): Remove special case for NOT IN
	operation.
	* sinfo.ads: Add special comment section to describe SPARK mode
	effect on tree.
	* exp_spark.ads: Remove comments, moved to sinfo.ads.

2013-10-17  Yannick Moy  <moy@adacore.com>

	* exp_ch3.adb (Expand_Freeze_Class_Wide_Type,
	Expand_Freeze_Class_Wide_Type, Expand_Freeze_Class_Wide_Type):
	Remove useless special cases.
	* exp_ch4.adb (Expand_Allocator_Expression, Expand_N_Allocator,
	Expand_N_Op_Expon): Remove useless special cases.
	* exp_ch6.adb (Is_Build_In_Place_Function_Call): Disable build-in-place
	in SPARK mode by testing Full_Expander_Active instead of
	Expander_Active.
	(Make_Build_In_Place_Call_In_Allocator): Remove useless special case.
	* exp_util.adb (Build_Allocate_Deallocate_Proc): Remove
	useless special case.
	* sem_eval.adb (Compile_Time_Known_Value): Remove special handling of
	deferred constant.

2013-10-17  Yannick Moy  <moy@adacore.com>

	* gnat_ugn.texi: Document -gnateT and target file format.

2013-10-17  Vincent Celier  <celier@adacore.com>

	* prep.adb (Check_Command_Line_Symbol_Definition): Is_A_String is
	always False, even when the value starts and ends with double quotes.

From-SVN: r203747

2013-04-24  Yannick Moy  <moy@adacore.com>

	* adabkend.adb, ali-util.adb, ali.adb, debug.adb,
	errout.adb, errout.ads, erroutc.adb, exp_ch3.adb, exp_ch4.adb,
	exp_ch6.adb, exp_ch7.adb, exp_dbug.adb, exp_util.adb,
	expander.adb, freeze.adb, gnat1drv.adb, lib-writ.adb,
	lib-writ.ads, lib-xref.adb, lib-xref.ads, opt.adb, opt.ads,
	restrict.adb, sem_aggr.adb, sem_attr.adb, sem_ch3.adb,
	sem_ch4.adb, sem_ch5.adb, sem_ch6.adb, sem_eval.adb, sem_prag.adb,
	sem_res.adb, sem_util.adb: Everything with name
	'Alfa' renamed in 'SPARK'. Update comments.
	Renaming of units with name 'Alfa', renamed with 'SPARK' instead.
	* exp_alfa.adb: renamed exp_spark.adb.
	* exp_alfa.ads: renamed exp_spark.ads.
	* get_alfa.adb: renamed get_spark_xrefs.adb.
	* get_alfa.ads: renamed get_spark_xrefs.ads.
	* lib-xref-alfa.adb: renamed lib-xref-spark_specific.adb.
	* put_alfa.adb: renamed put_spark_xrefs.adb.
	* put_alfa.ads: renamed put_spark_xrefs.ads.
	* alfa.adb: renamed spark_xrefs.adb.
	* alfa.ads: renamed spark_xrefs.ads.
	* alfa_test.adb: renamed spark_xrefs_test.adb.

From-SVN: r198234

2012-05-15  Tristan Gingold  <gingold@adacore.com>

	* exp_ch7.adb (Build_Exception_Handler): Save current
	occurrence only if -gnateE.
	(Build_Object_Declaration): Declare E_Id only if -gnateE.
	(Build_Raise_Statement): Call Raise_From_Controlled_Operation only if
	-gnateE (else raise PE).
	* s-soflin.adb (Save_Library_Occurrence): Handle null occurrence
	access.
	* a-except-2005.adb (Reraise_Library_Exception_If_Any): Call
	Raise_From_Controlled_Operation only if the saved occurrence is
	not null, otherwise raise PE.

2012-05-15  Yannick Moy  <moy@adacore.com>

	* exp_alfa.ads: Add comments describing the Alfa mode.

From-SVN: r187514

2011-09-19  Steve Baird  <baird@adacore.com>

	* snames.ads-tmpl: Move declaration of Name_Annotate into range of
	configuration pragma names so that Is_Configuration_Pragma_Name
	will return True for Name_Annotate.  Make corresponding change in
	Pragma_Id enumeration type.  This is needed to allow an Annotate
	pragma to occur in a configuration pragma file (typically,
	a gnat.adc file).
	* gnat_ugn.texi: Add Annotate to the list of configuration pragmas.
	* gnat_rm.texi: Note that pragma Annotate may be used as a
	configuration pragma.

2011-09-19  Ed Schonberg  <schonberg@adacore.com>

	* a-cbmutr.adb, a-cbmutr.ads, a-cimutr.adb, a-cimutr.ads,
	a-comutr.adb, a-comutr.ads: Add iterator machinery for multiway trees.

2011-09-19  Yannick Moy  <moy@adacore.com>

	* exp_alfa.adb, exp_alfa.ads (Expand_Alfa_N_In): New function
	for expansion of set membership.
	(Expand_Alfa): Call expansion for N_In and N_Not_In nodes.
	* exp_ch4.adb, exp_ch4.ads (Expand_Set_Membership): Make procedure
	visible for use in Alfa expansion.
	* sem_ch5.adb (Analyze_Iterator_Specification): Introduce loop
	variable in Alfa mode.

2011-09-19  Thomas Quinot  <quinot@adacore.com>

	* s-osinte-darwin.ads: Change SIGADAABRT on Darwin to SIGABRT.

2011-09-19  Thomas Quinot  <quinot@adacore.com>

	* exp_ch9.adb: Minor reformatting.

2011-09-19  Hristian Kirtchev  <kirtchev@adacore.com>

	* freeze.adb (Build_Renamed_Body): Generic subprograms
	instantiations cannot be poperly inlined by the compiler, do
	not set the Body_To_Inline attribute in such cases.
	* sem_ch12.adb (Analyze_Subprogram_Instantiation): Inherit all
	inlining-related flags from the generic subprogram declaration.

2011-09-19  Thomas Quinot  <quinot@adacore.com>

	* exp_dist.adb, rtsfind.ads, sem_util.adb, sem_util.ads
	(Build_Stub_Type): Remove, instead copy components from
	System.Partition_Interface.RACW_Stub_Type.
	(RPC_Receiver_Decl): Remainder of code from old Build_Stub_Type routine.
	(Copy_Component_List): New subprogram.

2011-09-19  Yannick Moy  <moy@adacore.com>

	* lib-xref.adb (Generate_Reference): Ignore references to
	constants in Standard.

From-SVN: r178962

2011-08-31  Robert Dewar  <dewar@adacore.com>

	* exp_ch5.adb, exp_alfa.ads, prj.ads, sem_attr.adb,
	lib-xref-alfa.adb: Minor reformatting.

2011-08-31  Matthew Heaney  <heaney@adacore.com>

	* a-crbltr.ads (Tree_Type): Default-initialize the Nodes component.

2011-08-31  Javier Miranda  <miranda@adacore.com>

	* sem_ch4.adb (Try_Object_Operation): Addition of one formal to search
	only for class-wide subprograms conflicting with entities of concurrent
	tagged types.

2011-08-31  Matthew Heaney  <heaney@adacore.com>

	* a-rbtgbo.adb (Generic_Allocate): Initialize pointer components of
	node to null value.

2011-08-31  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_ch12.adb (Insert_Freeze_Node_For_Instance): Provide a more
	general description of the routine.

2011-08-31  Ed Schonberg  <schonberg@adacore.com>

	* a-cbdlli.adb, a-cbdlli.ads: Add iterator machinery to bounded
	doubly-linked lists.

From-SVN: r178363

2011-08-31  Yannick Moy  <moy@adacore.com>

	* sem_ch4.adb: Code clean up.

2011-08-31  Yannick Moy  <moy@adacore.com>

	* exp_alfa.adb, exp_alfa.ads: Minor correction of copyright notice.

2011-08-31  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch7.adb (Build_Array_Deep_Procs): Do not generate Deep_Finalize
	and TSS primitive Finalize_Address if finalization is suppressed.
	(Build_Record_Deep_Procs): Do not generate Deep_Finalize and TSS
	primitive Finalize_Address if finalization is suppressed.

2011-08-31  Jose Ruiz  <ruiz@adacore.com>

	* s-mudido-affinity.adb, s-taprop-linux.adb, s-taprop-mingw.adb,
	s-taprop-solaris.adb, s-taprop-vxworks.adb (Set_Task_Affinity): Make
	sure that the underlying task has already been created before trying
	to change its affinity.
	(Set_CPU): Use the term processor instead of CPU, as we do in
	Assign_Task.

2011-08-31  Vincent Celier  <celier@adacore.com>

	* prj-attr.adb: New Compiler attribute Source_File_Switches.
	* prj-nmsc.adb (Process_Compiler): Process attribute
	Source_File_Switches.
	* prj.ads (Language_Config): New name list component
	Name_Source_File_Switches.
	* snames.ads-tmpl (Name_Source_File_Switches): New standard name.

2011-08-31  Ed Schonberg  <schonberg@adacore.com>

	* sem_attr.adb (Analyze_Attribute, case 'Old): If prefix may be a
	discriminated component of an actual, expand at once to prevent
	ouf-of-order references with generated subtypes.

2011-08-31  Yannick Moy  <moy@adacore.com>

	* lib-xref-alfa.adb (Add_Alfa_Xrefs): Do not take into account read
	reference to operator in Alfa xrefs.

2011-08-31  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_ch12.adb (Freeze_Subprogram_Body): Add code to handle the case
	where the parent instance was frozen before the current instance due to
	the presence of a source body. Update calls to Insert_After_Last_Decl.
	(Insert_After_Last_Decl): Renamed to Insert_Freeze_Node_For_Instance.
	Update the comment which illustrates the purpose of the routine.
	Package instances are now frozen by source bodies which appear after
	the instance. This ensures that entities coming from within the
	instance are available for use in the said bodies.
	(Install_Body): Add code to handle the case where the parent instance
	was frozen before the current instance due to the presence of a source
	body. Update calls to Insert_After_Last_Decl.

From-SVN: r178360

2011-08-30  Yannick Moy  <moy@adacore.com>

	* exp_aggr.adb, exp_ch11.adb, exp_prag.adb: Remove early exit during
	expansion in Alfa mode.
	* exp_ch6.adb, exp_ch6.ads (Expand_Actuals): Make subprogram public
	* exp_alfa.adb, exp_alfa.ads: New package defining light expansion for
	Alfa mode.
	* gnat1drv.adb (Adjust_Global_Switches): Update Comment.
	* sem_res.adb: Ditto.

2011-08-30  Thomas Quinot  <quinot@adacore.com>

	* g-socket.ads: Minor documentation adjustment.

From-SVN: r178317

2010-06-18  Javier Miranda  <miranda@adacore.com>

	* exp_cg.adb, exp_cg.ads, exp_disp.adb, gnat1drv.adb: Add initial
	support for dispatch table/callgraph info generation.
	* gcc-interface/Make-lang.in: Update dependencies.

From-SVN: r160997

2007-09-10  Robert Dewar  <dewar@adacore.com>

	* exp_atag.ads, exp_atag.adb, mlib-tgt-tru64.adb, mlib-tgt-aix.adb,
	mlib-tgt-irix.adb, mlib-tgt-hpux.adb, mlib-tgt-linux.adb,
	mlib-tgt-solaris.adb, mlib-tgt-vms-alpha.adb, mlib-tgt-vms-ia64.adb,
	mlib-tgt-mingw.adb, mlib-tgt-vxworks.adb, ali.adb, ali.ads,
	ali-util.adb, ali-util.ads, atree.h, back_end.adb, back_end.ads,
	bcheck.adb, bcheck.ads, binde.adb, binde.ads, binderr.adb, binderr.ads,
	bindgen.adb, bindgen.ads, bindusg.adb, bindusg.ads, butil.adb,
	butil.ads, checks.adb, checks.ads, clean.adb, clean.ads, comperr.adb,
	comperr.ads, cstand.adb, cstand.ads, debug_a.adb, debug_a.ads,
	elists.h, errout.adb, erroutc.ads, errutil.adb, errutil.ads,
	err_vars.ads, eval_fat.adb, eval_fat.ads, exp_sel.ads, exp_sel.adb,
	exp_aggr.adb, exp_aggr.ads, expander.adb, expander.ads, exp_attr.ads,
	exp_ch10.ads, exp_ch11.adb, exp_ch12.adb, exp_ch12.ads, exp_ch13.adb,
	exp_ch13.ads, exp_ch2.adb, exp_ch2.ads, exp_ch3.ads, exp_ch4.adb,
	exp_ch4.ads, exp_ch5.adb, exp_ch5.ads, exp_ch6.adb, exp_ch6.ads,
	exp_ch7.adb, exp_ch7.ads, exp_ch8.adb, exp_ch8.ads, exp_ch9.adb,
	exp_ch9.ads, exp_code.adb, exp_code.ads, exp_dbug.adb, exp_dbug.ads,
	exp_disp.ads, exp_dist.adb, exp_dist.ads, exp_fixd.adb, exp_fixd.ads,
	exp_imgv.adb, exp_imgv.ads, exp_intr.adb, exp_intr.ads, exp_pakd.adb,
	exp_pakd.ads, exp_prag.adb, exp_prag.ads, exp_smem.adb, exp_strm.adb,
	exp_strm.ads, exp_tss.adb, exp_tss.ads, exp_util.adb, exp_util.ads,
	exp_vfpt.adb, exp_vfpt.ads, fmap.adb, fmap.ads, fname-sf.adb,
	fname-sf.ads, fname-uf.adb, fname-uf.ads, frontend.adb, frontend.ads,
	get_targ.adb, get_targ.ads, gnat1drv.adb, gnat1drv.ads, gnatbind.adb,
	gnatbind.ads, gnatbl.c, gnatchop.adb, gnatclean.adb, gnatcmd.adb,
	gnatcmd.ads, gnatdll.adb, gnatfind.adb, gnatkr.adb, gnatkr.ads,
	gnatlbr.adb, gnatlink.adb, gnatlink.ads, gnatls.adb, gnatls.ads,
	gnatmake.adb, gnatmake.ads, gnatmem.adb, gnatname.adb, gnatname.ads,
	gnatprep.adb, gnatprep.ads, gnatsym.adb, gnatxref.adb,
	gprep.adb, gprep.ads, hlo.adb, hlo.ads, impunit.adb, impunit.ads,
	inline.adb, inline.ads, itypes.adb, itypes.ads, layout.adb, layout.ads,
	lib-load.adb, lib-load.ads, lib-util.adb, lib-util.ads, lib-writ.adb,
	lib-writ.ads, lib-xref.adb, lib-xref.ads, live.adb, live.ads,
	make.adb, make.ads, makeutl.ads, makeutl.adb, makeusg.adb, makeusg.ads,
	mdll.adb, mdll.ads, mdll-fil.adb, mdll-fil.ads, mdll-utl.adb,
	mdll-utl.ads, memroot.adb, memroot.ads, mlib.adb, mlib.ads,
	mlib-fil.adb, mlib-fil.ads, mlib-prj.adb, mlib-prj.ads, mlib-tgt.adb,
	mlib-tgt.ads, mlib-utl.adb, mlib-utl.ads, namet.h, nmake.adt,
	osint.adb, osint.ads, osint-b.adb, osint-b.ads, osint-c.adb,
	osint-c.ads, osint-l.adb, osint-l.ads, osint-m.adb, osint-m.ads,
	par.adb, par.ads, par-ch10.adb, par-ch11.adb, par-ch12.adb,
	par-ch13.adb, par-ch2.adb, par-ch3.adb, par-ch4.adb, par-ch5.adb,
	par-ch6.adb, par-ch7.adb, par-ch8.adb, par-ch9.adb, par-endh.adb,
	par-labl.adb, par-load.adb, par-prag.adb, par-sync.adb, par-tchk.adb,
	par-util.adb, prep.adb, prep.ads, prepcomp.adb, prepcomp.ads,
	prj.adb, prj.ads, prj-attr.adb, prj-attr.ads, prj-com.ads,
	prj-dect.adb, prj-dect.ads, prj-err.adb, prj-err.ads, prj-ext.adb,
	prj-ext.ads, prj-makr.adb, prj-makr.ads, prj-nmsc.adb, prj-nmsc.ads,
	prj-pars.adb, prj-pars.ads, prj-part.adb, prj-part.ads,
	prj-pp.adb, prj-pp.ads, prj-proc.adb, prj-proc.ads,
	prj-strt.adb, prj-strt.ads, prj-tree.adb, prj-tree.ads,
	prj-util.adb, prj-util.ads, restrict.adb, restrict.ads,
	rtsfind.adb, rtsfind.ads, scn.adb, scn.ads,
	scng.adb, scng.ads, sdefault.ads, sem.ads, sem_aggr.ads, sem_attr.adb,
	sem_case.adb, sem_case.ads, sem_cat.adb, sem_cat.ads, sem_ch10.adb,
	sem_ch10.ads, sem_ch11.adb, sem_ch11.ads, sem_ch12.ads, sem_ch13.adb,
	sem_ch13.ads, sem_ch2.adb, sem_ch2.ads, sem_ch3.adb, sem_ch3.ads,
	sem_ch4.ads, sem_ch5.adb, sem_ch5.ads, sem_ch6.adb, sem_ch6.ads,
	sem_ch7.adb, sem_ch7.ads, sem_ch8.adb, sem_ch8.ads, sem_ch9.adb,
	sem_ch9.ads, sem_disp.adb, sem_disp.ads, sem_dist.adb, sem_dist.ads,
	sem_elab.adb, sem_elab.ads, sem_elim.adb, sem_elim.ads, sem_eval.adb,
	sem_eval.ads, sem_intr.adb, sem_intr.ads, sem_maps.adb, sem_maps.ads,
	sem_mech.adb, sem_mech.ads, sem_prag.adb, sem_prag.ads, sem_res.adb,
	sem_res.ads, sem_smem.adb, sem_smem.ads, sem_type.adb, sem_type.ads,
	sem_util.adb, sem_util.ads, sem_vfpt.adb, sem_vfpt.ads, sem_warn.adb,
	sem_warn.ads, sfn_scan.ads, sinfo-cn.adb, sinfo-cn.ads, sinput-c.adb,
	sinput-c.ads, sinput-d.adb, sinput-d.ads, sinput-l.adb, sinput-l.ads,
	sinput-p.adb, sinput-p.ads, snames.h, sprint.adb, sprint.ads,
	stringt.h, style.ads, styleg.adb, styleg.ads, styleg-c.adb,
	styleg-c.ads, stylesw.adb, stylesw.ads, switch.adb, switch.ads,
	switch-b.adb, switch-b.ads, switch-c.adb, switch-c.ads, switch-m.adb,
	switch-m.ads, symbols.adb, symbols.ads, targparm.adb, tbuild.adb,
	tbuild.ads, tempdir.adb, tempdir.ads, tree_gen.adb, tree_gen.ads,
	treepr.adb, treepr.ads, treeprs.adt, ttypef.ads, ttypes.ads,
	types.h, uintp.h, urealp.h, usage.adb, usage.ads,
	validsw.adb, validsw.ads, vxaddr2line.adb, xeinfo.adb, xnmake.adb,
	xref_lib.adb, xref_lib.ads, xr_tabls.adb, xr_tabls.ads, xsinfo.adb,
	xtreeprs.adb, xsnames.adb, vms_conv.ads, vms_conv.adb, xgnatugn.adb,
	gprmake.adb, makegpr.ads, makegpr.adb, prj-attr-pm.ads, prj-attr-pm.adb,
	mlib-tgt-lynxos.adb, mlib-tgt-darwin.adb, symbols-vms.adb,
	symbols-processing-vms-alpha.adb, symbols-processing-vms-ia64.adb,
	mlib-tgt-specific.adb, mlib-tgt-specific.ads, mlib-tgt-vms.adb,
	mlib-tgt-vms.ads: Replace headers with GPL v3 headers.

From-SVN: r128332

Update comments.

From-SVN: r107028

From-SVN: r101492

	* 1aexcept.adb, 1aexcept.ads, 1ic.ads, 1ssecsta.adb,
	1ssecsta.ads, 31soccon.ads, 31soliop.ads, 3asoccon.ads,
	3bsoccon.ads, 3gsoccon.ads, 3hsoccon.ads, 3ssoccon.ads,
	3ssoliop.ads, 3wsoccon.ads, 3wsocthi.adb, 3wsocthi.ads,
	3wsoliop.ads, 41intnam.ads, 42intnam.ads, 4aintnam.ads,
	4cintnam.ads, 4dintnam.ads, 4gintnam.ads, 4hexcpol.adb,
	4hintnam.ads, 4lintnam.ads, 4mintnam.ads, 4nintnam.ads,
	4ointnam.ads, 4onumaux.ads, 4pintnam.ads, 4rintnam.ads,
	4sintnam.ads, 4uintnam.ads, 4vcaldel.adb, 4vcalend.adb,
	4vcalend.ads, 4vintnam.ads, 4wcalend.adb, 4wexcpol.adb,
	4wintnam.ads, 4zintnam.ads, 4znumaux.ads, 4zsytaco.adb,
	4zsytaco.ads, 51osinte.adb, 51osinte.ads, 52osinte.adb,
	52osinte.ads, 52system.ads, 53osinte.ads, 54osinte.ads,
	5amastop.adb, 5aosinte.adb, 5aosinte.ads, 5asystem.ads,
	5ataprop.adb, 5atasinf.ads, 5ataspri.ads, 5atpopsp.adb,
	5avxwork.ads, 5bosinte.adb, 5bosinte.ads, 5bsystem.ads,
	5cosinte.ads, 5dosinte.ads, 5esystem.ads, 5etpopse.adb,
	5fintman.adb, 5fosinte.ads, 5fsystem.ads, 5ftaprop.adb,
	5ftasinf.ads, 5ginterr.adb, 5gintman.adb, 5gmastop.adb,
	5gosinte.ads, 5gproinf.adb, 5gproinf.ads, 5gsystem.ads,
	5gtaprop.adb, 5gtasinf.adb, 5gtasinf.ads, 5gtpgetc.adb,
	5hosinte.adb, 5hosinte.ads, 5hparame.ads, 5hsystem.ads,
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	xr_tabls.adb, xr_tabls.ads, xref_lib.adb, xref_lib.ads,
	xsinfo.adb, xsnames.adb, xtreeprs.adb : Merge header,
	formatting and other trivial changes from ACT.

From-SVN: r66044

Nathanael Nerode  <neroden@gcc.gnu.org>
	PR ada/6919 (forward port of patch for PR ada/5904)
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	s-valrea.adb s-valrea.ads s-valuns.adb s-valuns.ads
	s-valuti.adb s-valuti.ads s-valwch.adb s-valwch.ads
	s-vercon.adb s-vercon.ads s-vmexta.adb s-vmexta.ads
	s-wchcnv.adb s-wchcnv.ads s-wchcon.ads s-wchjis.adb
	s-wchjis.ads s-wchstw.adb s-wchstw.ads s-wchwts.adb
	s-wchwts.ads s-widboo.adb s-widboo.ads s-widcha.adb
	s-widcha.ads s-widenu.adb s-widenu.ads s-widlli.adb
	s-widlli.ads s-widllu.adb s-widllu.ads s-widwch.adb
	s-widwch.ads s-wwdcha.adb s-wwdcha.ads s-wwdenu.adb
	s-wwdenu.ads s-wwdwch.adb s-wwdwch.ads scans.adb scans.ads
	scn-nlit.adb scn-slit.adb scn.adb scn.ads sdefault.ads sem.adb
	sem.ads sem_aggr.adb sem_aggr.ads sem_attr.adb sem_attr.ads
	sem_case.adb sem_case.ads sem_cat.adb sem_cat.ads sem_ch10.adb
	sem_ch10.ads sem_ch11.adb sem_ch11.ads sem_ch12.adb
	sem_ch12.ads sem_ch13.adb sem_ch13.ads sem_ch2.adb sem_ch2.ads
	sem_ch3.adb sem_ch3.ads sem_ch4.adb sem_ch4.ads sem_ch5.adb
	sem_ch5.ads sem_ch6.adb sem_ch6.ads sem_ch7.adb sem_ch7.ads
	sem_ch8.adb sem_ch8.ads sem_ch9.adb sem_ch9.ads sem_disp.adb
	sem_disp.ads sem_dist.adb sem_dist.ads sem_elab.adb
	sem_elab.ads sem_elim.adb sem_elim.ads sem_eval.adb
	sem_eval.ads sem_intr.adb sem_intr.ads sem_maps.adb
	sem_maps.ads sem_mech.adb sem_mech.ads sem_prag.adb
	sem_prag.ads sem_res.adb sem_res.ads sem_smem.adb sem_smem.ads
	sem_type.adb sem_type.ads sem_util.adb sem_util.ads
	sem_vfpt.adb sem_vfpt.ads sem_warn.adb sem_warn.ads
	sfn_scan.adb sfn_scan.ads sinfo-cn.adb sinfo-cn.ads sinfo.adb
	sinfo.ads sinfo.h sinput-l.adb sinput-l.ads sinput-p.adb
	sinput-p.ads sinput.adb sinput.ads snames.adb snames.ads
	snames.h sprint.adb sprint.ads stand.adb stand.ads stringt.adb
	stringt.ads stringt.h style.adb style.ads stylesw.adb
	stylesw.ads switch.adb switch.ads sysdep.c system.ads
	table.adb table.ads targparm.adb targparm.ads targtyps.c
	tbuild.adb tbuild.ads trans.c tree_gen.adb tree_gen.ads
	tree_in.adb tree_in.ads tree_io.adb tree_io.ads treepr.adb
	treepr.ads treeprs.ads treeprs.adt ttypef.ads ttypes.ads
	types.adb types.ads types.h uintp.adb uintp.ads uintp.h
	uname.adb uname.ads urealp.adb urealp.ads urealp.h usage.adb
	usage.ads utils.c utils2.c validsw.adb validsw.ads
	widechar.adb widechar.ads xeinfo.adb xnmake.adb xr_tabls.adb
	xr_tabls.ads xref_lib.adb xref_lib.ads xsinfo.adb xsnames.adb
	xtreeprs.adb: Correct statements in comments about maintainership
	of GNAT.

From-SVN: r58442

	* xeinfo.adb: Don't look for revision numbers.
	* xnmake.adb: Likewise.
	* xsinfo.adb: Likewise.
	* xsnames.adb: Likewise.
	* xtreeprs.adb: Likewise.

From-SVN: r50768

From-SVN: r45954

From-SVN: r45952

From-SVN: r45950