Preamble
1
Purpose and scope of this Recommendation
2
General Videotex coding structure
3
Common features
4
Representation of alphanumeric characters in a Videotex system
5
Alphamosaic option
6
Alphageometric option
7
Dynamically redefinable character sets (DRCS) option
8
Alphaphotographic option
9
Service enhancements
10 Line and end-to-end protocols
11 Interworking with other services
Annex A – The extension scheme of ISO
2022
Annex B – Repertoire of graphic
characters