More editorial.

Author: tabatkins

css3-images/Overview.html

@@ -768,11 +768,14 @@ <h4 class=no-toc id=radial-gradient-syntax><span class=secno>5.2.1. </span>
 	</pre>
 
   <p>The first argument to the function specifies the center of the ellipse.
-   <i>&lt;bg-position></i> is taken from the Backgrounds and Borders Module,
-   and has the same definition. It specifies the center of the gradient. If
-   omitted, it defaults to &lsquo;<code class=css>center</code>&rsquo;.
-   Color-stop positions are measured along an imaginary line extending from
-   the center of the gradient to the right.
+   It takes the same syntax as the &lsquo;<code
+   class=property>background-position</code>&rsquo; property, and is resolved
+   in the same way, except relative to the box rather than the background
+   canvas. <span class=note>(Of course, in many circumstances these will be
+   the same.)</span>
+
+  <p>If this argument is omitted, it defaults to &lsquo;<code
+   class=css>center</code>&rsquo;.
 
   <p>The second argument to the function specifies the size and shape of the
    ending-ellipse. This can be specified in two ways, with different
@@ -784,7 +787,7 @@ <h4 class=no-toc id=radial-gradient-syntax><span class=secno>5.2.1. </span>
    <dd>
     <p>The size and shape of the ending-ellipse can be defined
      <em>implicitly</em> with a size and shape keyword. The <a
-     href="#ltshape"><i>&lt;shape></i></a> is defined as</p>
+     href="#ltshape"><i>&lt;shape></i></a> keyword is defined as:</p>
 
     <pre><code><dfn id=ltshape>&lt;shape></dfn> = circle | ellipse</code></pre>
 

css3-images/Overview.src.html

@@ -509,11 +509,9 @@ <h4 class='no-toc' id='radial-gradient-syntax'>
 )
 	</pre>
 
-	<p>The first argument to the function specifies the center of the ellipse.  
-	<i>&lt;bg-position></i> is taken from the Backgrounds and Borders Module, and 
-	has the same definition.  It specifies the center of the gradient.  If omitted, 
-	it defaults to ''center''.  Color-stop positions are measured along an 
-	imaginary line extending from the center of the gradient to the right.</p>
+	<p>The first argument to the function specifies the center of the ellipse.  It takes the same syntax as the 'background-position' property, and is resolved in the same way, except relative to the box rather than the background canvas.  <span class='note'>(Of course, in many circumstances these will be the same.)</span></p>
+
+	<p>If this argument is omitted, it defaults to ''center''.</p>
 
 	<p>The second argument to the function specifies the size and shape of the 
 	ending-ellipse.  This can be specified in two ways, with different characteristics:</p>
@@ -523,7 +521,7 @@ <h4 class='no-toc' id='radial-gradient-syntax'>
 		<dd>
 			<p>The size and shape of the ending-ellipse can be defined 
 			<em>implicitly</em> with a size and shape keyword.  The <i>&lt;shape></i> 
-			is defined as </p>
+			keyword is defined as:</p>
 
 			<pre><code><dfn>&lt;shape></dfn> = circle | ellipse</code></pre>