use versioned Turtle

Author: pfps

spec/index.html

@@ -233,7 +233,7 @@ <h2>Notation and Terminology</h2>
       Angle brackets &lt; x, y &gt; are used to indicate an ordered pair of x and y.</p>
 
     <p>Throughout this document, <a>RDF graph</a>s and other fragments of RDF abstract syntax
-      are written using the notational conventions of the Turtle syntax [[!TURTLE]].
+      are written using the notational conventions of the Turtle syntax [[!RDF12-TURTLE]].
       The namespace prefixes <code>rdf:</code> <code>rdfs:</code> and <code>xsd:</code>
       are used as in [[!RDF12-CONCEPTS]],
       <a data-cite="RDF12-CONCEPTS#dfn-rdf-vocabulary">RDF vocabularies</a>.