Versions

[{“Name”:“4.0”,“GroupName”:null},{“Name”:“4.01”,“GroupName”:null},{“Name”:“5”,“GroupName”:null}]

Syntax

• <element lang="language_code"> <!– Language code has to be in the format [ISO 639-1](https://en.wikipedia.org/wiki/ISO_639-1 ) –>

Remarks

The value of the lang attribute must be a valid BCP 47 language tag or the empty string (if the language is unknown).

The BCP 47 language tags are listed in the IANA Language Subtag Registry.

Accessibility

The relevant WCAG 2.0 Success Criteria are:

• 3.1.1 Language of Page
• 3.1.2 Language of Parts

The related WCAG 2.0 Techniques are:

• H57: Using language attributes on the html element
• H58: Using language attributes to identify changes in the human language

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