change smil property from Document to DOMString. Issue #12

Author: Eduardo Fullea

index.html

@@ -585,10 +585,8 @@ <h3>Steps</h3>
       MMS message, if present
       <li>set the <code>subject</code> element to the value of the 'Subject'
       field of the MMS message, if present
-      <li>create a new <code>Document</code> object containing the SMIL object
-      of the received MMS message, if present
-      <li>set the <code>smil</code> element to the <code>Document</code> object
-      generated in the previous step
+      <li>set the <code>smil</code> element to a <code>DOMString</code>
+      containing the SMIL object of the received MMS message, if present
       <li>for each of the media files attached to the received MMS message add a
       new element to the <code>attachments</code> array with:
       <ol>
@@ -1292,7 +1290,7 @@ <h2><a>MmsMessage</a> Interface</h2>
     <dd>MUST return the subject of the MMS message, corresponding to the
     'Subject' field of the MMS message.</dd>
 
-    <dt>readonly attribute Document smil</dt>
+    <dt>readonly attribute DOMString smil</dt>
     <dd>MUST return the SMIL document, i.e. the presentation element that
     determines the way the content of the MMS message MUST be displayed.</dd>
 
@@ -1343,7 +1341,7 @@ <h2><a>MmsContent</a> Dictionary</h2>
     There MUST be at least one recipient in any of the <code>to</code>,
     <code>cc</code> or <code>bcc</code> attributes.</dd>
 
-    <dt>optional Document smil</dt>
+    <dt>optional DOMString smil</dt>
     <dd>Contains the SMIL component, i.e. the presentation element that
     determines the way the content of the MMS message MUST be displayed.</dd>