att.placement

att.placement provides attributes for describing where on the source page or object a textual element appears. [3.5.3. Additions, Deletions, and Omissions 11.3.1.4. Additions and Deletions]
Module tei
Members add figure fw head label note noteGrp trailer
Attributes Attributes
place specifies where this item is placed.
Status Recommended
Datatype limdata.placement

<add place="margin">[An addition written in the margin]</add>
<add place="bottom opposite">[An addition written at the
  foot of the current page and also on the facing page]</add>

<note place="bottom">Ibid, p.7</note>
Source Github

<classSpec rend="change" module="tei" type="atts" ident="att.placement">
   <desc>provides attributes for describing where on the source page or
 object a textual element appears.</desc>
   <classes/>
   <attList>
      <attDef ident="place" usage="rec">
         <desc>specifies where this item is placed.</desc>
         <datatype>
            <dataRef key="limdata.placement"/>
         </datatype>
      </attDef>
   </attList>
</classSpec>