--- a/index.html	Tue Nov 12 19:46:59 2013 +0800
+++ b/index.html	Tue Nov 12 19:53:22 2013 +0800
@@ -876,12 +876,6 @@
             method must run these steps:
 
             <ol>
-                <li>If the <a title="context object">context object</a>'s
-                <a data-spec="DOM4" title=concept-range-detached class="externalDFN">detached flag</a>
-                is set, throw a
-                <code><a data-spec="DOM4" title=domexception class="externalDFN">DOMException</a></code> with name <code>InvalidStateError</code>
-                and terminate these steps.
-
                 <li>Let <var>node</var> the <a title="context object">context object</a>'s
                 <a data-spec="DOM4" title=concept-range-start-node class="externalDFN">start node</a>.