<witStart>

<witStart> (fragmented witness start) indicates the beginning, or resumption, of the text of a fragmentary witness. 12.1.5 Fragmentary Witnesses
組件textcrit — 12 Critical Apparatus
屬性 att.rdgPart (@wit)
屬於 model.rdgPart
可包含空白元素
宣告
element witStart { att.global.attributes, att.rdgPart.attributes, empty }