att.rdgPart

att.rdgPart attributes for elements which mark the beginning or ending of a fragmentary manuscript or other witness. 12.1.5 Fragmentary Witnesses
Moduletextcrit — 12 Critical Apparatus
Memberswit witStart witEnd lacunaStart lacunaEnd
AttributesAttributes
wit(witness or witnesses) contains a list of one or more sigla indicating the witnesses which begin or end at this point.
Status Mandatory when applicable
Datatype 1–∞ occurrences of 

<rng:ref name="data.pointer"/>
data.pointer
separated by whitespace
Values A space-delimited series of sigla; each sigil should correspond to a witness or witness group and occur as the value of the xml:id attribute on a witness element elsewhere in the document.
Note
These elements may appear anywhere within the elements lem and rdg, and also within any of their constituent elements.