The current approved version is 1.2, which is specified in:
ð ə WORD_BOUNDARY k ɜː ɹ ə n t WORD_BOUNDARY ʌ p ɹ uː v d WORD_BOUNDARY v ɜː ʒ ə n WORD_BOUNDARY ɪ z WORD_BOUNDARY w ʌ n WORD_BOUNDARY t uː WORD_BOUNDARY w ɪ t̠ʃ WORD_BOUNDARY ɪ z WORD_BOUNDARY s p ɛ s ɪ f aɪ d WORD_BOUNDARY ɪ n WORD_BOUNDARY