ECMA/TR 53 : 2ED 92
Current
The latest, up-to-date edition.
HANDLING OF BI-DIRECTIONAL TEXTS
12-01-2013
1 Scope
2 General Considerations
3 References
4 Notations and definitions
4.1 Notation
4.2 Definitions
5 Requirements for the handling of bi-directional texts
5.1 Directions of strings
5.2 Ordering of data
5.3 Transparency
6 The bi-directional device model
6.1 The device structure
6.1.1 The input component
6.1.2 The data component
6.1.3 The presentation component
6.1.4 The graphic image output
6.2 Relationship between the active data position
and the active presentation position
6.3 Movement of the active positions
6.3.1 Implicit movement
6.3.2 Explicit movement
6.3.3 Indirect movement
6.4 Data stream and data organization
6.5 Areas, fields and tabulation
6.5.1 Areas
6.5.2 Fields and tabulation
6.6 Simplified presentation of the device model
7 The changes and additions made to Standard ECMA-48
7.1 New modes for handling bi-directionality
7.2 Control functions added for handling
bi-directionality
7.3 Control functions modified for handling
bi-directionality
8 Levels of device support for bi-directionality
8.1 Bi-directional devices with presentation component
and data component
8.2 Bi-directional devices with presentation component
only
Annex A Worked examples
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