defining_identifier ::= identifier
This rule is called by-> choice_parameter_specification -> defining_identifier_list -> defining_program_unit_name -> entry_body -> entry_declaration -> entry_index_specification -> enumeration_literal_specification -> formal_package_declaration -> formal_type_declaration -> full_type_declaration -> incomplete_type_declaration -> loop_statement -> package_body_stub -> private_extension_declaration -> private_type_declaration -> protected_body -> protected_body_stub -> protected_type_declaration -> renaming_declaration -> single_protected_declaration -> single_task_declaration -> subtype_declaration -> task_body -> task_body_stub -> task_type_declaration