Structural Tags A feature tag identifies a unit of text for what it is. Feature tags say something about the unit in itself.
Structural tags relate the unit to other units.
In SGML, any feature tag can contain information about its relationship to any other tag. If you wish to use a RET text within an SGML editor, you should define the DTD so that it best corresponds to your interpretation of the text. See Appendix 2 for a discussion of this type of command file. A TEI-conformant scheme for the folio text of King Lear might look as follows. Each level in the hierarchy can have a number of attributes.