CONTENTS

  Title Page

  Copyright Page

  Preface

  1      Introduction to DDIF

  1.1     Scope and Applicability
    1.1.1      Compatibility with ISO Standards
    1.1.2      Features
    1.1.3      DDIF Encoding
    1.1.4      Summary

  1.2     Reserved Words and Data Types
    1.2.1      Built-in Data Types
      1.2.1.1      Primitive Data Types
      1.2.1.2      Constructed Types
      1.2.1.3      Tagged Types
    1.2.2      Built-in Operators
    1.2.3      Defined Types
      1.2.3.1      Pre-defined Types
      1.2.3.2      DDIF Defined Types

  1.3     Basic Concepts
    1.3.1      Taxonomy of Documents
      1.3.1.1      Revisable Documents
      1.3.1.2      Levels of Revisability
      1.3.1.3      Structured Documents
      1.3.1.4      Final Form Documents
    1.3.2      Compound Documents
    1.3.3      Document Layout
      1.3.3.1      Separation Of Layout From Content
      1.3.3.2      Replacement of Layout
      1.3.3.3      How Layout Separation is Achieved
        1.3.3.3.1       Wrap Attributes
        1.3.3.3.2       Layout Attributes
      1.3.3.4      Content Streams In Layout
    1.3.4      Relationships in Revisable Documents
    1.3.5      Document Content

  1.4     Document Structure
    1.4.1      Segment Hierarchy
    1.4.2      Application of Attributes
    1.4.3      Type Definitions
    1.4.4      Content Definitions
    1.4.5      Redefinition of Type and Content Definitions
    1.4.6      References to Type Definitions
    1.4.7      References to Content Definitions
    1.4.8      Computed Content

  1.5     Conforming Support of DDIF
    1.5.1      Conforming DDIF Receivers
      1.5.1.1      Message Classes
      1.5.1.2      Attribute Inheritance
      1.5.1.3      Support of Valid Documents
      1.5.1.4      Support of Conforming Extensions
    1.5.2      Conforming DDIF Senders
    1.5.3      Conforming DDIF Modifiers
    1.5.4      Conformance Subsets
    1.5.5      Conformance Levels

  1.6     Private Data

  1.7     Extension Policy
    1.7.1      Version Control

  2      DDIF Document Structure

  2.1     Document Descriptor

  2.2     Document Header
    2.2.1      Coded-Character-Sets
      2.2.1.1      DEFAULT Coded-Character-Sets
      2.2.1.2      Document Header Example

  2.3     Document Content
    2.3.1      Content Categories
    2.3.2      Segment Tags
    2.3.3      Presentation Attributes of Content

  3      Content Elements and Attributes

  3.1     Segment Definition

  3.2     Text Content
    3.2.1      Text Content Primitives
    3.2.2      Text Presentation Attributes
    3.2.3      Text Layout
      3.2.3.1      Galley-based Text Layout
      3.2.3.2      Character-relative Layout
      3.2.3.3      Path-based Text Layout
      3.2.3.4      Directives
    3.2.4      Standard Text Tags

  3.3     Graphics Content
    3.3.1      Graphics Content Elements
      3.3.1.1      Polyline Primitive
      3.3.1.2      Cubic Bézier
      3.3.1.3      Arc Primitive
      3.3.1.4      Fill Area Set
    3.3.2      Attributes of Graphics
      3.3.2.1      Line Attributes
      3.3.2.2      Marker Attributes
    3.3.3      Standard Graphics Tags

  3.4     Image Content
    3.4.1      Image Content Primitives
    3.4.2      Image Presentation Attributes
    3.4.3      Image Component Space Attributes
    3.4.4      Standard Image Content Tags

  3.5     Audio Content
    3.5.1      Audio Content Category
    3.5.2      Audio Content Primitives
    3.5.3      Audio Segment Attributes
    3.5.4      Audio Presentation Attributes
    3.5.5      Standard Audio Content Tags

  3.6     Restricted Content

  3.7     Referenced Content
    3.7.1      Content Reference

  4      Content Defined Types

  4.1     Bounding Box

  4.2     Color

  4.3     Compute Definition

  4.4     Cross Reference

  4.5     Escapement

  4.6     External References

  4.7     Font Definition

  4.8     Format

  4.9     Frame Parameters
    4.9.1      Inline Frame Parameters
    4.9.2      Galley Frame Parameters
    4.9.3      Margin Frame Parameters

  4.10    Function Link

  4.11    Index Types
    4.11.1     External Reference Index
    4.11.2     Language Index

  4.12    Labelled Content Definition

  4.13    Label
    4.13.1     ASCII String
    4.13.2     Variable Label

  4.14    Legend Units

  4.15    Measurement, Angle, and Coordinate Types
    4.15.1     Angle
    4.15.2     AngleRef
    4.15.3     Measurement
    4.15.4     Position
    4.15.5     Ratio
    4.15.6     Right Angle
    4.15.7     Size
    4.15.8     X Coordinate
    4.15.9     Y Coordinate

  4.16    Measurement Units

  4.17    Named Value and Named Value List
    4.17.1     Named Value List

  4.18    Number Types
    4.18.1     Font Number
    4.18.2     Line End Number
    4.18.3     Line Style Number
    4.18.4     Marker Number
    4.18.5     Path Number
    4.18.6     Pattern Number

  4.19    Path Definition
    4.19.1     Composite Path

  4.20    Path Types
    4.20.1     Arc Path
    4.20.2     Cubic Bezier Path
    4.20.3     Line Definition
    4.20.4     Polyline Path

  4.21    Pattern Definitions

  4.22    Reference

  4.23    Segment Attributes
    4.23.1     Binding Attribute Definitions to References

  4.24    Segment Type Definition

  4.25    Structure Definition
    4.25.1     Occurrence Definition
    4.25.2     Structure Element

  4.26    Tag Types
    4.26.1     Category Tag
    4.26.2     Conformance Tag
    4.26.3     Named Value Tag
    4.26.4     Segment Tags
    4.26.5     Storage System Tag
    4.26.6     Stream Tag

  4.27    Transformation

  4.28    Variable Binding
    4.28.1     Counter Definition
      4.28.1.1     Layout Object Type
      4.28.1.2     Expression
      4.28.1.3     Counter Style
      4.28.1.4     Conversion Algorithm for Hebrew Counters
      4.28.1.5     Conversion for Hangul
    4.28.2     String Expression
    4.28.3     Record Definitions
    4.28.4     Standard Variable Names

  5      DDIF Layout 1

  5.1     Goals of Layout 1

  5.2     Non-Goals and Restrictions

  5.3     Generic Layout
    5.3.1      Page Description
    5.3.2      Page Set
    5.3.3      Page Layout
    5.3.4      Layout Galley
    5.3.5      Galley Attributes

  5.4     Specific Layout

  6      Layout and Wrap Attributes

  6.1     Layout Attributes

  6.2     Break Criteria

  6.3     Wrap Attributes

  7      Layout Defined Types

  7.1     Generalized Measure

  7.2     Generalized Size

  7.3     Tab Stop List

  A   Collected Syntax Diagrams

  B   Fill Patterns

  C   Raster Pattern Bitmaps

  D   Initial Attributes

  E   Examples

  E.1     Architecture and Mechanisms
    E.1.1      Segment Hierarchy
    E.1.2      Type Definitions and References
    E.1.3      Content Definitions and References
      E.1.3.1      Text Rendition Inheritance
      E.1.3.2      Bindings Inheritance
      E.1.3.3      Tab Stops Inheritance

  E.2     Text Content

  E.3     Graphics Content
    E.3.1      Line Join Example
    E.3.2      Text Path Example

  E.4     Image Content

  F   List of Language and Country Codes

  G   Examples

  G.1     GENERIC PAGE LAYOUT

  Glossary
    Attribute . . . Formatting
    Galley . . . ODA/ODIF
    Obsolete . . . Specific layout
    Style . . . Wrapping

  EXAMPLES

  2-1        Document Descriptor Example

  2-2        Code-Character-Sets Example

  2-3        Document Header Example

  3-1        Begin Segment Example

  3-2        Text Position Script Code Sample

  3-3        Variable Reset Example

  4-1        Style File Reference Label Examples

  4-2        Style File Reference Label Type Examples

  4-3        Style File Examples

  4-4        Font Definition Example

  4-5        Content Definition Example

  4-6        Pattern Definition Example

  4-7        Segment Type Definition Example

  4-8        Military Numbering Example

  4-9        Office Style Example

  E-1        Segment Hierarchy

  E-2        Type Definitions and References

  E-3        Content Definitions and References

  E-4        Text Rendition Inheritance Example

  E-5        Bindings Inheritance Example

  E-6        Tab Stops Inheritance Example

  E-7        Text Content

  E-8        Graphics Content

  E-9        Line Join

  E-10       Text Path

  E-11       Image Content

  G-1        Generic Page Layout

  FIGURES

  1-1        Segment Hierarchy

  2-1        DDIF Document Syntax Diagram

  2-2        Document Descriptor Syntax Diagram

  2-3        Document Header Syntax Diagram

  2-4        Document Root Segment

  3-1        Segment Primitive Syntax Diagram

  3-2        Begin-Segment Syntax Diagram

  3-3        Text Primitive Syntax Diagram

  3-4        Text Attributes Syntax Diagram

  3-5        Rendition Code Syntax Diagram

  3-6        Illustration of Ideogram Renditions

  3-7        Text Direction Figure

  3-8        Leader Style Syntax Diagram

  3-9        Text Layout Syntax Diagram

  3-10       Positional Layout Figure

  3-11       Ideographic Positional Layout Figure

  3-12       Script Code Sample Output

  3-13       Text String Layout Syntax Diagram

  3-14       Font and Character Metrics

  3-15       Formatting Primitive Syntax Diagram

  3-16       Value Directive Syntax Diagram

  3-17       Escapement Directive Syntax Diagram

  3-18       Variable Reset Syntax Diagram

  3-19       Directive Syntax Diagram

  3-20       Graphics Primitive Syntax Diagram

  3-21       Polyline Syntax Diagram

  3-22       Polyline Join Syntax Diagram

  3-23       Polyline Join Description Syntax Diagram

  3-24       Polyline Join Definition Syntax Diagram

  3-25       Joined Polyline Path Syntax Diagram

  3-26       Cubic Bézier Syntax Diagram

  3-27       Arc Syntax Diagram

  3-28       Examples of Arc-flag Usage

  3-29       Fill Area Set Syntax Diagram

  3-30       Line Attributes Syntax Diagram

  3-31       Line J~^~          ~~~~~~~~~~~~