Definition: ill-typed in RDF Concepts

spec/index.html

@@ -774,7 +774,8 @@ <h2>Literals and datatypes</h2>
     If the literal string is not in the lexical space,
     so that the lexical-to-value mapping gives no value for the literal string,
     then the literal has no referent.
-    The <dfn>value space</dfn> of a datatype is the range of the <a>lexical-to-value mapping</a>.
+    The <dfn data-cite="RDF12-CONCEPTS#dfn-value-space">value space</dfn> of a
+    datatype is the range of the <a>lexical-to-value mapping</a>.
     Every literal with that type either <a>denotes</a> a value in the value space of the type,
     or fails to denote at all.
     An  <dfn>ill-typed</dfn> literal is one whose datatype IRI is <a>recognized</a>,