ðɪs mˈiːnz ðætðə blˈæk ˈaɪ sˈʌn mˈɛnʃənd ɪn ˈɜːlɪɚ nˈɑːvəlz, ɚɹˈɪdʒɪnəli mˈɛnt tə tˈaɪ ɪn wɪððə ɹˌɛvɪlˈeɪʃən ʌv sˈæbəθz ˈælaɪz bˌiːɪŋ dˈeɪləks, həznɑːt bˌɪn ɛksplˈeɪnd.
This means that the black eye sun mentioned in earlier novels, originally meant to tie in with the revelation of Sabbath's allies being Daleks, has not been explained.