(riferimento canonico) identifica l'elemento associato term usando
un riferimento canonico a partire da uno schema definito in un elemento refsDecl
nell'intestazione TEI
the result of applying the algorithm for the resolution of canonical references
(described in section 16.2.5 Canonical References) should be a valid URI reference that resolves
to a term element
We may define <term xml:id="tdpv" rend="sc">discoursal point of view</term> as <gloss target="#tdpv">the relationship, expressed through discourse structure, between the implied author or some other addresser, and the fiction.</gloss>