TEI HORSEing Around
The Text Encoding Initiative’s typed segment-boundary delimiter method is only one of several proposed mechanisms for handling overlap in TEI documents. HORSE (aka CLIX) defines a method by which an XML element is used normally when possible and as an improved version of the typed segment-boundary delimiter method when an overlap problem is encountered. A significant portion of the rules necessary for validation of HORSE markup can be expressed using Schematron. This, combined with an utter hack that can “HORSEify” the declaration of elements in a TEI Relax NG grammar, can provide a potential significant step forward in handling overlap in TEI documents.