# Appendixes

This Language Reference contains the following appendixes.

| Appendixes | Description
--- | --- | ---
| What's New | A list of new classes and class elements added to the ActionScript 3.0 Reference for the Adobe Flash Platform for the latest runtime and product releases.
| Compiler Errors | List and explanations of compiler error codes.
| Compiler Warnings | List and explanations of compiler warning codes.
| Run-Time Errors | List and explanations of run time error messages.
| Migrating to ActionScript 3 | List of differences between ActionScript 2.0 and 3.0.
| Supported Character Sets | List of character set definitions supported by Flash Player.
| MXML Only Tags | This section describes the Flex components that are available in MXML only.
| Motion XML Elements | List of XML tags and attributes for defining the animation of a display object, used primarily by the "Copy Motion as ActionScript 3.0" feature of Flash CS3.
| Timed Text Tags | Detailed list of supported Timed Text XML tags for the FLVPlaybackCaptioning component.
| List of deprecated elements | A list of deprecated items and suggested alternatives when available.
| Accessibility Implementation Constants | AccessibilityImplementation constants are for use with the flash.accessibility.AccessibilityImplementation class.
| How to Use ActionScript Examples | Instructions for using class-based examples in the ActionScript Language Reference.
| Legal notices | Legal notices and copyright information.

© 2015 Adobe Systems Incorporated. All rights reserved.
Mon Apr 10 2017, 01:42 PM -07:00