* osint.adb(Create_Debug_File): When an object file is specified,
	put the .dg file in the same directory as the object file.

	* osint.adb: Minor reformatting

	* lib-xref.adb (Output_Instantiation): New procedure to generate
	instantiation references.

	* lib-xref.ads: Add documentation of handling of generic references.

	* ali.adb (Read_Instantiation_Ref): New procedure to read
	instantiation references

	* ali.ads: Add spec for storing instantiation references

	* bindusg.adb: Minor reformatting

	* switch.adb: Add entry for Latin-5 (Cyrillic ISO-8859-5)

	* usage.adb: Add entry for Latin-5 (Cyrillic ISO-8859-5)

	* gnatcmd.adb: Add entry for Latin-5 (Cyrillic ISO-8859-5)

	* csets.adb: Add entry for Latin-5 (Cyrillic ISO-8859-5)

	* csets.ads:
	Fix header format
	Add 2001 to copyright date
	Add entry for Latin-5 (Cyrillic ISO-8859-5)

	* adaint.c: mktemp is a macro on Lynx and can not be used as an
	expression.

	* misc.c (gnat_expand_constant): Do not strip UNCHECKED_CONVERT_EXPR
	if operand is CONSTRUCTOR.

	* trans.c (tree_transform, case N_Assignment_Statement): Set lineno
	before emiting check on right-hand side, so that exception information
	is correct.

	* utils.c (create_var_decl): Throw away initializing expression
	if just annotating types and non-constant.

	* prj-nmsc.adb: (Ada_Check): Migrate drom Ada_Default_... to
	Default_Ada_...

	* prj.adb: (Ada_Default_Spec_Suffix, Ada_Default_Impl_Suffix):
	Remove functions.
	(Default_Ada_Spec_Suffix, Default_Ada_Impl_Suffix): Move to spec.

	* prj.ads: (Ada_Default_Spec_Suffix, Ada_Default_Impl_Suffix):
	Remove functions.
	(Default_Ada_Spec_Suffix, Default_Ada_Impl_Suffix): Move from body.

From-SVN: r48052