Most of the ones in common use now are an actual terminal standard, ANSI X3.64 aka ISO 6429 aka ECMA-48¹. Most of the others in common use come from xterm exten

Most of the ones in common use now are an actual terminal standard, ANSI X3.64 aka ISO 6429 aka ECMA-48¹. Most of the others in common use come from xterm extensions. ¹ https://www.ecma-international.org/wp-content/uploads/ECMA-48_5th_edition_june_1991.pdf https://www.ecma-international.org/wp-content/uploads/ECMA-4...