* gnat_ugn.texi, gnat_rm.texi: Regenerate.
	* doc/gnat_ugn/gnat_project_manager.rst,
	doc/gnat_ugn/building_executable_programs_with_gnat.rst,
	doc/gnat_ugn/the_gnat_compilation_model.rst,
	doc/gnat_rm/standard_and_implementation_defined_restrictions.rst,
	doc/gnat_rm/implementation_defined_pragmas.rst,
	doc/gnat_rm/the_gnat_library.rst,
	doc/gnat_rm/implementation_defined_characteristics.rst: Update doc.

From-SVN: r229046