Fix computed values of perspective and perspective-origin

Fixes https://www.w3.org/Bugs/Public/show_bug.cgi?id=15681.

Author: ayg

css3-transforms/ChangeLog

@@ -1,3 +1,7 @@
+2012-03-12 ayg@aryeh.name
+    Fix computed values of perspective and perspective-origin
+    Fixes https://www.w3.org/Bugs/Public/show_bug.cgi?id=15681.
+
 2012-03-12 ayg@aryeh.name
     Fix resolved values of transform-origin and perspective-origin
     Fixes https://www.w3.org/Bugs/Public/show_bug.cgi?id=15433 and partially fixes https://www.w3.org/Bugs/Public/show_bug.cgi?id=15681.

css3-transforms/Overview.html

@@ -1717,7 +1717,7 @@ <h2 id=perspective-property><span class=secno>10. </span> The &lsquo;<a
     <tr>
      <td> <em>Computed value:</em>
 
-     <td> Same as specified value.
+     <td> Absolute length or "none".
   </table>
 
   <p> If the value is &lsquo;<code class=css><code
@@ -1793,7 +1793,7 @@ <h2 id=perspective-origin-property><span class=secno>11. </span> The
     <tr>
      <td> <em>Computed value:</em>
 
-     <td> Same as specified value.
+     <td> For &lt;length&gt; the absolute value, otherwise a percentage.
   </table>
 
   <p> The values of the &lsquo;<a href="#perspective"><code class=css><code

css3-transforms/Transforms.src.html

@@ -1309,7 +1309,7 @@ <h2 id="perspective-property">
                       <em>Computed value:</em>
                     </td>
                     <td>
-                      Same as specified value.
+                      Absolute length or "none".
                     </td>
                   </tr>
                 </tbody>
@@ -1405,7 +1405,8 @@ <h2 id="perspective-origin-property">
                       <em>Computed value:</em>
                     </td>
                     <td>
-                      Same as specified value.
+                      For &lt;length&gt; the absolute value, otherwise a
+                      percentage.
                     </td>
                   </tr>
                 </tbody>