Theobald Stapleton'
...that Theobald Stapleton's 1639 catechism was the first Roman Catholic book in Irish to be printed in antiqua, and that it used simplified spellings that did not become standard for another 300 years?
...that <b id="mwCLU"><a href="./Theobald_Stapleton" id="mwCLY" rel="mw:WikiLink" title="Theobald Stapleton">Theobald Stapleton</a>'</b>s 1639 catechism was the first Roman Catholic book in Irish to be printed in <a class="mw-disambig" href="./Antiqua" id="mwCLc" rel="mw:WikiLink" title="Antiqua">antiqua</a>, and that it used simplified spellings that did not become standard for another 300 years?