The language labels are drawn in: 'user' becomes the browser's language ('de' for de-AT), or 'local' where there is no browser. Every other value is returned as it is.
'user'
'de'
de-AT
'local'
The language labels are drawn in:
'user'becomes the browser's language ('de'forde-AT), or'local'where there is no browser. Every other value is returned as it is.