[css-text] additional minor fixes to letter-spacing

Author: fantasai

css-text/Overview.html

@@ -2721,13 +2721,17 @@ <h3 id=letter-spacing><span class=secno>8.2. </span> Tracking: the ‘<a
     <tr>
      <th>Computed value:
 
-     <td>an optimum value consisting of either an absolute length or the
-      keyword ‘<code class=css>normal</code>’
+     <td>an absolute length or the keyword ‘<code
+      class=css>normal</code>’
   </table>
 
   <p>This property specifies additional spacing (tracking) between adjacent
-   <a href="#character"><i>characters</i></a>. Letter-spacing is applied in
-   addition to any word-spacing. Values have the following meanings:
+   <a href="#character"><i>characters</i></a>. Letter-spacing is applied
+   after <a
+   href="http://www.w3.org/TR/css3-writing-modes/#text-direction">bidi
+   reordering</a> and is in addition to any ‘<a href="#word-spacing0"><code
+   class=property>word-spacing</code></a>’. Values have the following
+   meanings:
 
   <dl>
    <dt><dfn id=normal4 title="word-spacing:normal">‘<code

css-text/Overview.src.html

@@ -2088,14 +2088,15 @@ <h3 id="letter-spacing">
         </tr>
         <tr>
           <th>Computed&#160;value:</th>
-          <td>an optimum value
-            consisting of either an absolute length or the keyword ''normal''
+          <td>an absolute length or the keyword ''normal''
         </tr>
     </table>
 
     <p>This property specifies additional spacing (tracking)
       between adjacent <i>characters</i>.
-      Letter-spacing is applied in addition to any word-spacing.
+      Letter-spacing is applied after
+      <a href="http://www.w3.org/TR/css3-writing-modes/#text-direction">bidi reordering</a>
+      and is in addition to any 'word-spacing'.
       Values have the following meanings:
 
   <dl>
@@ -2116,8 +2117,9 @@ <h3 id="letter-spacing">
      See <a href="http://lists.w3.org/Archives/Public/www-style/2013May/0280.html">this thread</a>.
 
     <p>Letter-spacing must not be applied at the beginning or at the end of a line.
-       The total letter spacing between two adjacent <i>characters</i> (after bidi reordering) is specified by and rendered
-       within the innermost element that <em>contains</em> the boundary between the two <i>characters</i>.
+       The total letter spacing between two adjacent <i>characters</i> (after bidi reordering)
+       is specified by and rendered within
+       the innermost element that <em>contains</em> the boundary between the two <i>characters</i>.
 
     <div class="example" id="letter-spacing-example">
       <p>For example, given the markup</p>