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.

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.

This document has been reviewed by Unicode members and other interested parties, and has been approved for publication by the Unicode Consortium.

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

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.

This is a stable document and may be used as reference material or cited as a normative reference by other specifications.

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