att.sourced

att.sourced provides attributes identifying the source edition from which some encoded feature derives.
Moduletei — 1 The TEI Infrastructure
Members cb lb milestone pb refState
AttributesIn addition to global attributes
ed (edition) supplies an arbitrary identifier for the source edition in which the associated feature (for example, a page, column, or line break) occurs at this point in the text.
Status Optional
Datatype 1–∞ occurrences of 

<rng:ref name="data.code"/>
data.code
separated by whitespace
Values Any string of characters; usually a siglum conventionally used for the edition.
Example
<l>Of Mans First Disobedience,<lb ed="1674"/> and<lb ed="1667"/> the Fruit</l>
<l>Of that Forbidden Tree, whose<lb ed="1667 1674"/> mortal tast</l>
<l>Brought Death into the World,<lb ed="1667"/> and all<lb ed="1674"/> our woe,</l>