- ISO/IEC 6429:1992
- "Control functions for coded character sets"
- ECMA-048
- C0 controls
- C1 controls
- VT 100 compatibility
- bidirectionality controls
- ECMA TR/53
Handling of Bi-directional Texts
- RFC 1556:
Handling of Bi-directional Texts in MIME
versus
- UTR #9:
Unicode Bidirectional Algorithm "BIDI"
- RFC 2070:
HTML internationalization with DIR="RTL"
Roman Czyborra
1998-11-27