RFC 5646 · BEST CURRENT PRACTICE · 2009

Tags for Identifying Languages

Overview

RFC 5646, “Tags for Identifying Languages”, is a Best Current Practice document published in September 2009 by A. Phillips, M. Davis. It obsoletes RFC 4646. The canonical text is published by the RFC Editor.

Abstract

This document describes the structure, content, construction, and semantics of language tags for use in cases where it is desirable to indicate the language used in an information object. It also describes how to register values for use in language tags and the creation of user-defined extensions for private interchange. This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements.

Abstract as published in the RFC, via rfc-editor.org.

What “Best Current Practice” means

Documents the IETF community's recommended operational or procedural practice rather than a protocol specification.

Read this RFC

The canonical text of RFC 5646 is hosted at rfc-editor.org. Available in TXT,HTML.

Relationships to other RFCs
This RFC obsoletes
RFC 4646
Other RFCs from 2009

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