pair also dates to the No. 2, and the ,< .> pairs were used on some keyboards (others, including the No. 2, did not shift , (comma) or .
pˈɛɹ ˈɔːlsoʊ dˈeɪts tə ðə nˈoʊ. tˈuː, ænd ðə , .pˈɛɹz wɜː jˈuːzd ˌɔn sˌʌm kˈiːboːɹdz ˈʌðɚz, ɪŋklˈuːdɪŋ ðə nˈoʊ. tˈuː, dɪdnˌɑːt ʃˈɪft , kˈɑːmə ɔːɹ .