Defines locale properties (date format, day and month names, etc.)
Predefined locales:
- ca-es
- cs-cz
- da-dk
- de-at
- de-ch
- de-de
- de-lu
- en-au
- en-ca
- en-gb
- en-us
- es-es
- es-mx
- eu-es
- fi-fi
- fr-be
- fr-ch
- fr-fr
- fr-lu
- gl-es
- it-it
- it-ch
- ja-jp
- nb-no
- nl-nl
- nl-be
- nn-no
- pt-br
- pl-pl
- pt-pt
- ru-ru
- sk-sk
- sv-se
- uk-ua
- zh-cn