[15] Standard ECMA-48 Control Functions for Coded Character Sets, Fifth Edition - June 1991, Reprinted June 1998, , http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-048.pdf#page=71
[1] JIS X 0211-1994 8.3.109 SAPV-SELECT ALTERNATIVE PRESENTATION VARIANTS (代替表示法選択)