Used in BCP47 recommendation, to indicate which subtags are valid for a certain variant
prefix
Variant Taxonomy
The subtag represents the alphabet codified by Peter Dajnko and used from 1824 to 1839 mostly in Styria (in what is now Eastern Slovenia).
Variant
Slovene in Dajnko alphabet
Used in BCP47 recommendation for the subtag of a language, script, region or variant
IANA subtag
Named individual