The Flex 3 Language Reference contains these appendixes.
| Appendixes | Description | |
|---|---|---|
| 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. | |
| ActionScript 2.0 Migration | List of differences between ActionScript 2.0 and 3.0. | |
| Character Set Codes | List of character set definitions supported by Flash Player. | |
| MXML Only Components | This section describes the Flex components that are available in MXML only. | |
| SQL support in local databases | An outline of the SQL syntax and data type support for Adobe AIR local SQL databases. | |
| List of deprecated elements | A list of deprecated items and suggested alternatives when available. | |
| Using examples in the ActionScript 3.0 Language Reference | Instructions for using class-based examples in the ActionScript Language Reference. | |
| Legal notices | Legal notices and copyright information. |