Checks if a language tag matches one of the elements in a list of
language ranges. A language tag is considered to match a range
in the list if the range is '*', the range is exactly the tag,
or the range is a prefix of the tag, and the character after it
in the tag is '-'.
a list of language ranges, separated by ';', ':',
',', or space characters.
Each element must either be '*', or a RFC 3066 language range
canonicalized as by pango_language_from_string()
Checks if a language tag matches one of the elements in a list of language ranges. A language tag is considered to match a range in the list if the range is '*', the range is exactly the tag, or the range is a prefix of the tag, and the character after it in the tag is '-'.