History

Time	Change
2010-03-27 15:53:10+00:00	Associated with HTMLの独自拡張
2018-02-27 12:44:55+00:00	Associated with JIS TR X 0010:2000附属書D
2018-04-04 09:54:31+00:00	Associated with エディタ類のHTML独自拡張
2018-04-05 15:29:31+00:00	Associated with WebTVのHTML