Language tags implementation.

• RFC5646 conformance

• Basic filtering (RFC 4647)

• Extended filtering (RFC 4647)

• Canonicalization

• Direct work with IANA language subtag registry

See examples directory:
http://github.com/SSDany/lang/tree/master/examples

$ gem in lang
$ lang index -u

(The MIT License)

Copyright © 2010

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the ‘Software’), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

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