preferredLanguage

Indicates a person's preferred language or languages, which is useful for international correspondence and computer interaction. RFC 2068 describes an Accept-Language field. That field's content, without Accept-Language:, matches the content of this attribute.

Example: en, ko;q=0.8.

Origin	RFC 2798
Usage	userApplications
Description	preferred written or spoken language for a person
OID	2.16.840.1.113730.3.1.39
Substring Matching Rule	caseIgnoreSubstringsMatch
Equality Matching Rule	caseIgnoreMatch
Single Value	true
Names	preferredLanguage
Ordering Matching Rule	caseIgnoreOrderingMatch
User Modification Allowed	true
Used By	iPlanetPreferences, inetOrgPerson
Schema File	00-core.ldif
Syntax	Directory String