Dynamic Server Version 9.4 uses Version 4.0 of the GLS library, which supports important new features for databases that do not use the default locale.
For information on the new collation order feature, see Session-Level Non-Default Collation.
All GLS features are documented in the IBM Informix GLS User's Guide.
The GLS library now supports the International Components for Unicode (ICU) code points for multilingual data, based on the ICU open source implementation of Unicode. By internally mapping the code set from ICU, rather than loading it from external locale files, this feature enables you to store, retrieve, and display strings from multiple languages within the same database.
The GLS library now supports the Unicode Collation Algorithm that was developed by the Unicode consortium for comparing two Unicode strings. This de facto standard for multinational applications incorporates ICU technology.
The previous release of the GLS library (Version 3.13.xC4) supported the code points within the Basic Multilingual Plane (BMP) of Unicode (code points 0x00 through 0xFFFF). The new version now supports all GB18030-2000 code points, using ICU.
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