[scroll-animations-1] Addres bbirtles@ feedback (w3c#5013)

Author: majido

web-animations-1/Overview.bs

@@ -5814,30 +5814,21 @@ dictionary GetAnimationsOptions {
         If the above procedure causes an exception to be thrown, propagate the
         exception and abort this procedure.
 
+    1.  If <var>options</var> is a {{KeyframeAnimationOptions}} object, let
+        <var>timeline</var> be the <code>timeline</code> member of
+        <var>options</var> or, if <code>timeline</code> member of
+        <var>options</var> is missing, be the <a>default document timeline</a>
+        of the <a>node document</a> of the element on which this method was
+        called.
+
     1.  Construct a new {{Animation}} object, <var>animation</var>, in
         the <a>relevant Realm</a> of <var>target</var> by using the
         same procedure as the {{Animation()}} constructor, passing
-        <var>effect</var> as the argument of the same name, and
-        the <a>default document timeline</a> of the <a>node document</a>
-        of the element on which this method was called as the
-        <var>timeline</var> argument.
-
-    1.  If <var>options</var> is a {{KeyframeAnimationOptions}} object, run the
-        following steps:
-
-        1.  Assign the value of the <code>id</code> member of <var>options</var>
-            to <var>animation</var>'s {{Animation/id}} attribute.
-
-        2.  Let <var>timeline</var> be the <code>timeline</code> member of
-            <var>options</var> or, if <code>timeline</code> member of
-            <var>options</var> is missing, be the
-            <a>default document timeline</a> of the {{Document}}
-            <a lt="document associated with a window">associated</a> with the
-            {{Window}} that is the <a>current global object</a>.
+        <var>effect</var> and <var>timeline</var> as arguments of the same name.
 
-        3.  Run the procedure to <a>set the timeline of an animation</a> on
-            <var>animation</var> passing <var>timeline</var> as the <var>new
-            timeline</var>.
+    1.  If <var>options</var> is a {{KeyframeAnimationOptions}} object,
+        assign the value of the <code>id</code> member of <var>options</var>
+        to <var>animation</var>'s {{Animation/id}} attribute.
 
     1.  Run the procedure to <a>play an animation</a> for
         <var>animation</var> with the <var>auto-rewind</var> flag set to true.
@@ -5872,12 +5863,6 @@ animation.play();</pre>
         lt="options">options</dfn>
     ::  The timing and animation options for the created {{KeyframeEffect}} and
         {{Animation}}.
-        For {{KeyframeEffect}} this value is passed to the
-        {{KeyframeEffect(target, keyframes, options)}} constructor as the
-        <var>options</var> parameter and has the same interpretation as defined
-        for that constructor. For {{Animation}}, <code>id</code> and
-        <code>timeline</code> member gets assigned to the created
-        {{Animation}}'s {{Animation/id}} and {{Animation/timeline}} attributes.
 
     </div>