Minor edits to 4.4.4 Calculating the translation value of a path animation effect

Author: birtles

index.html

@@ -3954,23 +3954,34 @@ <h3>Calculating the rotation value of a path animation effect</h3>
       <section>
         <h3>Calculating the translation value of a path animation effect</h3>
         <p>
-          The <dfn title="translation value along a path">translation
-          value</dfn> of the <a>current path element</a> is
-          determined using the following process:
+          For a given <a>path element</a> and <a>element fraction</a>,
+          the <dfn title="translation value along a path">translation
+          value</dfn> is determined using the following procedure:
         </p>
         <ol>
           <li>
-            Let <var>length</var> be the length, in pixels, of the 
-            <a>current element</a>
+            <p>
+              Let <var>length</var> be the length of the given
+              <a>path element</a>.
+            </p>
+            <p class="todo">
+              Need a reference to how this is calculated even if it's just
+              a pointer to SVG (which says pretty much nothing).
+            </p>
           </li>
           <li>
-            Let <var>element distance</var> be equal to the formula
-            <code><a>element fraction</a> &#215; <var>length</var></code>.
+            Let <var>element distance</var> be the result of evaluating
+            <code><var>element fraction</var> &#215; <var>length</var></code>.
           </li>
           <li>
-            Let <var>point</var> be the unique point along the
-            <a>current element</a> which is <var>element distance</var>
-            along the path from the start of the path.
+            <p>
+              Let <var>point</var> be the unique point along the
+              <a>current element</a> which is <var>element distance</var>
+              along the path from the start of the path.
+            </p>
+            <p class="todo">
+              What is the significance of &ldquo;unique point&rdquo; here?
+            </p>
           </li>
           <li>
             The <a>translation value</a> is the translation transform