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About this supplement


Overview

The ER5 System Documentation Supplement documents the major changes introduced in EPOC Release 5. Topics are listed alphabetically at the top level for easy reference, and all topics contain at least a brief overview, followed by reference documentation for one or more classes.

Documenting all new features together in one place should make it easier for developers to get an overall picture of how EPOC is evolving. Sometimes, changes will be of interest to developers across the board and not just to those working in a given problem domain.

Features range from modest enhancements, like the array range-checking wrappers, which will help developers to write better code, to major innovations like colour support and the new Messaging Architecture, which add powerful new capabilities to ER5.

All the major changes and new features in ER5 are summarised in What's new in ER5.

The Supplement is intended to complement the main system documentation. Changes in ER5 which are strictly incremental, or fix behaviour that may not have been intended, or which otherwise don’t warrant inclusion in the Supplement, are noted in updates to existing documentation. Updated items are flagged with an ER5 feature level icon. See Documentation conventions for an explanation of this and other documentation conventions.

Note that classes which are documented here will appear in the Supplement index only, and not in the index for the main documentation; developers will need to use the two indexes together to cover all documented EPOC classes.

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