cite 'basic interop' from RDF-INTEROP

Author: pchampin

spec/index.html

@@ -792,8 +792,8 @@ <h4>Server Considerations</h4>
 
       <ol>
         <li>Eliminate <a>triple terms</a> by using an algorithm such
-          as <em>Unstar</em> (downgrading from version "1.2" to "1.2-basic" or to "1.1").
-          <div class="ednote">Fix this when such an algorithmm is defined.</div></li>
+          as <i>basic encoding</i> as defined in [[RDF-INTEROP]] (downgrading from version "1.2" to "1.2-basic").
+          </li>
         <li>Replace <a>directional language-tagged strings</a>
           by <a>literals</a> with a <a>datatype IRI</a> that
           uses the <a data-cite="JSON-LD11#the-i18n-namespace">`i18n` namespace</a>, as defined in [[JSON-LD11]]