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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