This document describes an XML format (vocabulary) for the exchange of structured locale data.This format is used in the Unicode Common Locale Data Repository.

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For more information about versions of the Unicode Standard, see [Versions].

The LDML specification is divided into the following parts: Not long ago, computer systems were like separate worlds, isolated from one another.

The internet and related events have changed all that.

A single system can be built of many different components, hardware and software, all needing to work together.

Many different technologies have been important in bridging the gaps; in the internationalization arena, Unicode has provided a lingua franca for communicating textual data.

However, there remain differences in the locale data used by different systems.

The best practice for internationalization is to store and communicate language-neutral data, and format that data for the client.

Please submit corrigenda and other comments with the CLDR bug reporting form [Bugs].

Related information that is useful in understanding this document is found in the References.

For the latest version of the Unicode Standard see [Unicode].

For a list of current Unicode Technical Reports see [Reports].