* add missing ExportNamespaceSpecifier in spec.md * add constrain note in ExportNamedDeclaration Co-authored-by: 刘地军 <dijun.ldj@antgroup.com>
* add missing ExportNamespaceSpecifier in spec.md * add constrain note in ExportNamedDeclaration Co-authored-by: 刘地军 <dijun.ldj@antgroup.com>