Made radial-gradient use <position> too.

Author: tabatkins

css3-images/Overview.html

@@ -841,7 +841,7 @@ <h4 class=no-toc id=radial-gradient-syntax><span class=secno>5.2.1. </span>
 
   <pre class=prod>
 <dfn id=ltradial-gradient>&lt;radial-gradient></dfn> = radial-gradient(
-	[&lt;bg-position&gt;,]? 
+	[&lt;position&gt;,]? 
 	[[
 		[&lt;shape&gt; || &lt;size&gt;]
 		|
@@ -852,11 +852,12 @@ <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.
-   <code>&lt;bg-position></code> comes from the <a
-   href="http://dev.w3.org/csswg/css3-background/#ltbg-positiongt">Backgrounds
-   &amp; Borders Module</a>, 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>
+   The <a href="#ltposition"><code>&lt;position></code></a> value type is
+   defined as the positioning syntax of &lsquo;<code class=css><a
+   href="http://www.w3.org/TR/css3-background/#the-background-position">background-position</a></code>&rsquo;
+   and is resolved in the same way, using the center-point as the subject and
+   the content box as the positioning area. <a href="#CSS21"
+   rel=biblioentry>[CSS21]<!--{{!CSS21}}--></a> [[!CSS3BACKGROUND]]
 
   <p>If this argument is omitted, it defaults to &lsquo;<code
    class=css>center</code>&rsquo;.
@@ -1809,7 +1810,7 @@ <h3 id=object-position><span class=secno>6.5. </span> Positioning Objects:
    id=ltposition><code>&lt;position></code></dfn> value type is defined as
    the positioning syntax of &lsquo;<code class=css><a
    href="http://www.w3.org/TR/css3-background/#the-background-position">background-position</a></code>&rsquo;
-   and is resolved in the same way, using the image as the image and the
+   and is resolved in the same way, using the image as the subject and the
    content box as the positioning area. <a href="#CSS21"
    rel=biblioentry>[CSS21]<!--{{!CSS21}}--></a> [[!CSS3BACKGROUND]]
 

css3-images/Overview.src.html

@@ -546,7 +546,7 @@ <h4 class='no-toc' id='radial-gradient-syntax'>
 
 	<pre class=prod>
 <dfn>&lt;radial-gradient></dfn> = radial-gradient(
-	[&lt;bg-position&gt;,]? 
+	[&lt;position&gt;,]? 
 	[[
 		[&lt;shape&gt; || &lt;size&gt;]
 		|
@@ -556,7 +556,7 @@ <h4 class='no-toc' id='radial-gradient-syntax'>
 )
 	</pre>
 
-	<p>The first argument to the function specifies the center of the ellipse.  <code>&lt;bg-position></code> comes from the <a href="http://dev.w3.org/csswg/css3-background/#ltbg-positiongt">Backgrounds &amp; Borders Module</a>, 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>The first argument to the function specifies the center of the ellipse.  The <code>&lt;position></code> value type is defined as the positioning syntax of '<a href="http://www.w3.org/TR/css3-background/#the-background-position">background-position</a>' and is resolved in the same way, using the center-point as the subject and the content box as the positioning area. [[!CSS21]] [[!CSS3BACKGROUND]]</p>
 
 	<p>If this argument is omitted, it defaults to ''center''.</p>
 
@@ -1267,12 +1267,7 @@ <h3 id="object-position">
 				<td>specified value
 	</table>
 
-	<p>The 'object-position' property determines the alignment of the replaced
-	element inside its box. The <dfn><code>&lt;position></code></dfn> value
-	type is defined as the positioning syntax of
-	'<a href="http://www.w3.org/TR/css3-background/#the-background-position">background-position</a>'
-	and is resolved in the same way, using the image as the image and the
-	content box as the positioning area. [[!CSS21]] [[!CSS3BACKGROUND]]</p>
+	<p>The 'object-position' property determines the alignment of the replaced element inside its box. The <dfn><code>&lt;position></code></dfn> value type is defined as the positioning syntax of '<a href="http://www.w3.org/TR/css3-background/#the-background-position">background-position</a>' and is resolved in the same way, using the image as the subject and the content box as the positioning area. [[!CSS21]] [[!CSS3BACKGROUND]]</p>
 
 	<p class="note">Note that areas of the box not covered by the replaced
 	element will show the element's background.</p>