Fix for w3c#223, specify event constructing steps

index.html

@@ -322,7 +322,11 @@ <h2><code>PointerEvent</code> Interface</h2>
                         </dd>
                 </dl>
 
-                <p>The <dfn>PointerEventInit</dfn> dictionary is used by the <dfn>PointerEvent</dfn> interface's constructor to provide a mechanism by which to construct untrusted (synthetic) pointer events. It inherits from the {{MouseEventInit}} dictionary defined in [[UIEVENTS]]. The [=event constructing steps=] are defined in the [[[DOM]]]. See the <a href="#examples" title="examples">examples</a> for sample code demonstrating how to fire an untrusted pointer event.</p>
+                <p>The <dfn>PointerEventInit</dfn> dictionary is used by the <dfn>PointerEvent</dfn> interface's constructor to provide a mechanism by which to construct untrusted (synthetic) pointer events. It inherits from the {{MouseEventInit}} dictionary defined in [[UIEVENTS]]. See the <a href="#examples" title="examples">examples</a> for sample code demonstrating how to fire an untrusted pointer event.</p>
+
+                <p>The [=event constructing steps=] for <dfn>PointerEvent</dfn>
+                   clones <a>PointerEventInit</a>'s <code>coalescedEvents</code> to <a>coalesced event list</a> and
+                   clones <a>PointerEventInit</a>'s <code>predictedEvents</code> to <a>predicted event list</a>.</p>
 
                 <div class="note">
                     <p>Pointer Events include two complementary sets of attributes to express the orientation of a
@@ -1061,7 +1065,8 @@ <h2><dfn>Predicted events</dfn></h2>
             <p>A <a>PointerEvent</a> has an associated <dfn>predicted event list</dfn> (a list of zero or more
             <code>PointerEvent</code>s). If this event is a <code>pointermove</code> event, it is a sequence of
             <code>PointerEvent</code>s that the user agent predicts will follow the events in the
-            <a>coalesced event list</a> in the future; otherwise it is an empty list.</p>
+            <a>coalesced event list</a> in the future; otherwise it is an empty list.
+            Untrusted events have their predicted event list initialized to the value passed to the constructor.</p>
             <div class="note">
                 <p>While <code>pointerrawmove</code> events may have a non-empty <a>coalesced event list</a>,
                 their <a>predicted event list</a> will, for performance reasons, usually be an empty list.</p>