[css-regions] update region styling anchor

Author: astearns

css-regions/Overview.html

@@ -236,7 +236,7 @@ <h2 class="no-num no-toc" id=table-of-contents>Table of contents</h2>
      <li><a href="#the-region-fragment-property"><span class=secno>3.4.
       </span>The region-fragment property</a>
 
-     <li><a href="#the-at-region-style-rule"><span class=secno>3.5.
+     <li><a href="#the-region-pseudo-element"><span class=secno>3.5.
       </span>The ::region() functional pseudo-element</a>
     </ul>
 
@@ -1423,7 +1423,7 @@ <h3 id=the-region-fragment-property><span class=secno>3.4. </span>The
     rel=biblioentry>[CSS21]<!--{{CSS21}}--></a>).
   </div>
 
-  <h3 id=the-at-region-style-rule><span class=secno>3.5. </span>The
+  <h3 id=the-region-pseudo-element><span class=secno>3.5. </span>The
    ::region() functional pseudo-element</h3>
 
   <p>A ::region() functional pseudo-element can be appended to a selector
@@ -2041,7 +2041,7 @@ <h3 id=the-region-interface><span class=secno>6.2. </span>The Region
    class=idl>Region</code></a> interface the <a
    href="http://dev.w3.org/csswg/cssom/#the-cssstyledeclaration-interface">CSSStyleDeclaration</a>
    returned must include the result of <a
-   href="#the-at-region-style-rule">region styling</a>. If the element is
+   href="#the-region-pseudo-element">region styling</a>. If the element is
    fragmented across region boundaries, the <a
    href="http://dev.w3.org/csswg/cssom/#the-cssstyledeclaration-interface">CSSStyleDeclaration</a>
    returned must apply only to the fragment that flows through the <span>CSS
@@ -2050,7 +2050,7 @@ <h3 id=the-region-interface><span class=secno>6.2. </span>The Region
 
   <div class=note>
    <p>If the element is not contained in the <span>CSS Region</span> at all,
-    the method returns the <a href="#the-at-region-style-rule">region
+    the method returns the <a href="#the-region-pseudo-element">region
     styling</a> that would apply to the element if it were contained in the
     <span>CSS Region</span> (following how <a
     href="http://dev.w3.org/csswg/cssom/#extensions-to-the-window-interface"><code

css-regions/Overview.src.html

@@ -1284,7 +1284,7 @@ <h3 id="the-region-fragment-property">The region-fragment property</h3>
         ([[CSS21]]).</p>
     </div>
 
-    <h3 id="the-at-region-style-rule">The ::region() functional pseudo-element</h3>
+    <h3 id="the-region-pseudo-element">The ::region() functional pseudo-element</h3>
 
     <p>A ::region() functional pseudo-element can be appended 
       to a selector that matches a CSS Region, 
@@ -1889,7 +1889,7 @@ <h3 id="the-region-interface">The Region interface</h3>
           For the <code class="idl">Region</code> interface 
           the <a href="http://dev.w3.org/csswg/cssom/#the-cssstyledeclaration-interface">CSSStyleDeclaration</a> 
           returned must include the result of 
-          <a href="#the-at-region-style-rule">region styling</a>. 
+          <a href="#the-region-pseudo-element">region styling</a>. 
           If the element is fragmented across region boundaries, 
           the <a href="http://dev.w3.org/csswg/cssom/#the-cssstyledeclaration-interface">CSSStyleDeclaration</a>  returned must apply only 
           to the fragment that flows through 
@@ -1902,7 +1902,7 @@ <h3 id="the-region-interface">The Region interface</h3>
           <p>If the element is not contained 
           in the <span>CSS Region</span> at all, 
           the method returns 
-          the <a href="#the-at-region-style-rule">region styling</a> 
+          the <a href="#the-region-pseudo-element">region styling</a> 
           that would apply to the element 
           if it were contained in the <span>CSS Region</span> 
           (following how <a href="http://dev.w3.org/csswg/cssom/#extensions-to-the-window-interface"><code class="idl">getComputedStyle</code></a> works