func PreferSameScript(preferSame bool) MatchOption {
	return func(m *matcher) { m.preferSameScript = preferSame }
}
PreferSameScript will, in the absence of a match, result in the first
preferred tag with the same script as a supported tag to match this supported
tag. The default is currently true, but this may change in the future.
package language
import (
	"errors"
	"strings"
	"golang.org/x/text/internal/language"
)
type MatchOption func(*matcher)