"CDA Reference Manual

This document serves as a reference manual for the CDA (Compound Document Architecture) Toolkit, published in June 1990 by Digital Equipment Corporation. It provides detailed information for system and application programmers on using the CDA Toolkit to develop compound document applications, converters, and viewer widgets.

The manual covers: - CDA Toolkit Routines: Descriptions of routines for managing CDA documents, including creating, copying, deleting, inserting, and converting aggregates and files. - Document Structures: Detailed explanations of DDIF (DIGITAL Document Interchange Format) and DTIF (DIGITAL Table Interchange Format) aggregate structures, as well as CFE (Canonical Form Expressions) and ESF (Edit String Format) structures. - Converter Routines: Procedures for developing CDA-conforming front and back ends for document conversion. - Viewer Routines: Information on creating character-cell or DECwindows viewer applications, including support for Adobe Font Metrics. - VMS and ULTRIX Support: Specific compile and link procedures for VMS and ULTRIX systems, highlighting differences in implementation and file handling. - Syntax Diagrams: Appendices with DDIS (DIGITAL Data Interchange Syntax) built-in types, operators, and syntax diagrams for DDIF, DTIF, CFE, and ESF constructs. - Error Messages and Glossary: A list of CDA$ facility messages and a glossary of terms related to CDA architecture and document typesetting.

This revised manual supersedes previous versions of the CDA Reference Manual Part I and Part II, supporting VMS Version 5.4 and ULTRIX Version 4.0. It is intended for users familiar with CDA concepts and document typesetting terminology.