Minor edits to 4.2 and 4.3

Author: birtles

index.html

@@ -3186,7 +3186,7 @@ <h2>Combining animations</h2>
           <code>!important</code> rules.
         </p>
         <p>
-          For this first part of this operation&mdash;combining <a>intermediate
+          For the first part of this operation&mdash;combining <a>intermediate
           animation values</a> that target the same <a
           title="target property">property</a>&mdash; it is necessary to
           determine both
@@ -3210,9 +3210,10 @@ <h2>Combining animations</h2>
       <section>
         <h3>The animation stack</h3>
         <p>
-          Associated with each property targetted by an <a>animation effect</a>
-          is an <dfn>animation stack</dfn> that establishes the relative
-          priority of the <a>animation effects</a>.
+          Associated with each property <a title="target property">targetted</a>
+          by one or more <a>animation effects</a> is an <dfn>animation
+          stack</dfn> that establishes the relative priority of the <a>animation
+          effects</a>.
         </p>
         <p>
           The relative priority of any two <a>animation
@@ -3407,17 +3408,17 @@ <h2>Keyframe animation effects</h2>
         keyframe</a>.
       </p>
       <p class="note">
-        Unlike CSS, the proposal here is that it is <em>not</em> possible to
-        associate a <a>timing function</a> directly with a <a>keyframe</a>.
-        Rather, this would be achieved by setting a chain of <a>timing
-        functions</a> on the <a>timed item</a> (proposal for this is still in
-        the works).
+        Unlike CSS syntax, <a>timing functions</a> are <em>not</em> directly
+        associated with a <a>keyframe</a>.
+        Rather, this is achieved by setting a chain of <a>timing functions</a>
+        on the <a>timed item</a> (proposal for this is still in the works).
       </p>
       <p>
         If, due to a <a>timing function</a> specified on the <a>timed
         item</a> from which the <a>time fraction</a> is derived, the <a>time
-        fraction</a> lies outside the range [0, 1], the specified <a>keyframe</a>
-        property values are extrapolated to cover the extended range.
+        fraction</a> lies outside the range [0, 1], the specified
+        <a>keyframe</a> property values are extrapolated to cover the extended
+        range.
       </p>
       <p>
         The behavior when <a>keyframes</a> overlap or have unsupported values
@@ -3571,6 +3572,15 @@ <h3>The unaccumulated animation value of a keyframe animation effect</h3>
             conditions are met.
           </p>
         </div>
+        <p class="note">
+          Note that this procedure permits overlapping <a>keyframes</a>.
+          The behavior is that at the point of overlap the output value jumps to
+          the value of last defined <a>keyframe</a> at that offset.
+          For overlapping frames at 0 or 1, the output value for <a
+          title="time fraction">time fractions</a> less than 0 or greater than
+          or equal to 1 is the value of the first <a>keyframe</a> or the last
+          <a>keyframe</a> in <var>keyframes</var> respectively.
+        </p>
         <div class="issue">
           <p>
             In the presence of certain timing functions, the input time
@@ -3580,34 +3590,25 @@ <h3>The unaccumulated animation value of a keyframe animation effect</h3>
             fractions outside this range. We are considering removing this
             restriction for the following reasons.
           </p>
-          <ul>
-            <li>
-              Cases exist where it is useful to be able to specify non-linear
-              changes in property values at time fractions outside the range
-              [0, 1]. While this effect could be achieved by careful
-              modification of the timing function, this approach is complex and
-              breaks the model's separation of timing concerns from animation
-              effects. An example is an animation which is subject to an
-              'overshoot' timing function and which has an effect that sweeps
-              through a non-linear color space.
-            <li>
-              It simplifies the model to remove this rather arbitrary
-              restriction.
-          </ul>
-
-          <a href='http://lists.w3.org/Archives/Public/public-fx/2013AprJun/0184.html'>
-          See Section 4 (Keyframe offsets outside [0, 1]) of minuted discussion
-          </a>
+          <p>
+            We are considering removing the restriction since cases exist where
+            it is useful to be able to specify non-linear changes in property
+            values at time fractions outside the range [0, 1].
+          </p>
+          <p>
+            While this effect could be achieved by careful modification of the
+            timing function, this approach is complex and breaks the model's
+            separation of timing concerns from animation effects. An example is
+            an animation which is subject to an 'overshoot' timing function and
+            which has an effect that sweeps through a non-linear color space.
+          </p>
+          <p>
+            See <a
+            href='http://lists.w3.org/Archives/Public/public-fx/2013AprJun/0184.html'>section
+            4 (Keyframe offsets outside [0, 1]) of minuted discussion from Tokyo
+              2013 F2F</a>.
+          </p>
         </div>
-        <p class="note">
-          Note that this procedure permits overlapping <a>keyframes</a>.
-          The behavior is that at the point of overlap the output value jumps to
-          the value of last defined <a>keyframe</a> at that offset.
-          For overlapping frames at 0 or 1, the output value for <a
-          title="time fraction">time fractions</a> less than 0 or greater than
-          or equal to 1 is the value of the first <a>keyframe</a> or the last
-          <a>keyframe</a> in <var>keyframes</var> respectively.
-        </p>
       </section>
       <section>              
         <h3>Procedure for evenly distributing keyframes</h3>