[Shadow DOM] [Bug 27775] Rename isolation mode to encapsulation mode.

spec/shadow/index.html

@@ -106,11 +106,11 @@ <h3>Shadow trees</h3>
 
         <p>A <dfn>shadow tree</dfn> is a <a>node tree</a> <a title="hosts">hosted</a> by a <a>shadow host</a>.</p>
 
-        <p>A shadow tree has an associated flag, called an <dfn>isolation mode</dfn>, which is either <dfn>open</dfn> or <dfn>closed</dfn>.
+        <p>A shadow tree has an associated flag, called an <dfn>encapsulation mode</dfn>, which is either <dfn>open</dfn> or <dfn>closed</dfn>.
 
         <p class="note">
           The behavior of a <a>closed</a> shadow tree is not well defined in this spec yet. The status is tracked in <a href="https://www.w3.org/Bugs/Public/show_bug.cgi?id=27775">W3C bug 27775</a>.
-          Unless otherwise mentioned, an isolation mode of a shadow tree is <a>open</a>.
+          Unless otherwise mentioned, an encapsulation mode of a shadow tree is <a>open</a>.
           The default-to-open is still under discussion and it may change. The status is tracked in <a href="https://www.w3.org/Bugs/Public/show_bug.cgi?id=20144">W3C bug 20144</a>.
         </p>
 
@@ -1261,7 +1261,7 @@ <h3>Extensions to <code>Element</code> Interface</h3>
           <dd>
             When invoked, these steps <strong>must</strong> be run:
             <ol>
-              <li>Create a new instance of the <a><code>ShadowRoot</code></a> object, whose <a>isolation mode</a> is <a>open</a>.</li>
+              <li>Create a new instance of the <a><code>ShadowRoot</code></a> object, whose <a>encapsulation mode</a> is <a>open</a>.</li>
               <li>Add the <a><code>ShadowRoot</code></a> object to the <a title="shadow roots list">ordered list of shadow roots</a> associated with the <a>context object</a> as the <a>youngest shadow root</a></li>
               <li>Return <a><code>ShadowRoot</code></a> object.</li>
             </ol>