give @page rule its own subsection

Author: fantasai

css3-page/Overview.html

@@ -234,13 +234,16 @@ <h2 class="no-num no-toc" id=contents>Table of Contents</h2>
     <li><a href="#page-selector-and-context"><span class=secno>5. </span>Page
      Selectors and the Page Context</a>
      <ul class=toc>
-      <li><a href="#left-right-first"><span class=secno>5.1 </span>Page
+      <li><a href="#at-page-rule"><span class=secno>5.1 </span>The @page
+       Rule</a>
+
+      <li><a href="#left-right-first"><span class=secno>5.2 </span>Page
        pseudo-classes: :left, :right, and :first</a>
 
-      <li><a href="#syntax-page-selector"><span class=secno>5.2 </span>@page
+      <li><a href="#syntax-page-selector"><span class=secno>5.3 </span>@page
        rule grammar</a>
 
-      <li><a href="#cascading-and-page-context"><span class=secno>5.3
+      <li><a href="#cascading-and-page-context"><span class=secno>5.4
        </span>Cascading in the page context</a>
      </ul>
 
@@ -711,6 +714,8 @@ <h3 id=progression><span class=secno>4.3 </span>Page Progression</h3>
    <h2 id=page-selector-and-context><span class=secno>5. </span>Page
     Selectors and the Page Context</h2>
 
+   <h3 id=at-page-rule><span class=secno>5.1 </span>The @page Rule</h3>
+
    <p>Authors can specify various aspects of a page box, such as its
     dimensions, orientation, and margins, within an <a class=css
     href="#page">@page</a> rule. An <a class=css href="#page">@page</a> rule
@@ -737,7 +742,7 @@ <h2 id=page-selector-and-context><span class=secno>5. </span>Page
     errors</a> apply; that is, valid declarations within the block are
     applied.</p>
 
-   <h3 id=left-right-first><span class=secno>5.1 </span>Page pseudo-classes:
+   <h3 id=left-right-first><span class=secno>5.2 </span>Page pseudo-classes:
     :left, :right, and :first</h3>
 
    <p>When printing double-sided documents, left and right pages are often
@@ -810,7 +815,7 @@ <h3 id=left-right-first><span class=secno>5.1 </span>Page pseudo-classes:
      page pseudo-classes.</em></p>
    </div>
 
-   <h3 id=syntax-page-selector><span class=secno>5.2 </span>@page rule
+   <h3 id=syntax-page-selector><span class=secno>5.3 </span>@page rule
     grammar</h3>
 
    <p>The syntax for the @page rule is a specialization of the generic
@@ -917,7 +922,7 @@ <h3 id=syntax-page-selector><span class=secno>5.2 </span>@page rule
 </pre>
    </div>
 
-   <h3 id=cascading-and-page-context><span class=secno>5.3 </span>Cascading
+   <h3 id=cascading-and-page-context><span class=secno>5.4 </span>Cascading
     in the page context</h3>
 
    <p>Declarations in page and margin contexts <a

css3-page/Overview.src.html

@@ -421,6 +421,8 @@ <h3 id="progression">Page Progression</h3>
 
 <h2 id="page-selector-and-context">Page Selectors and the Page Context</h2>
 
+<h3 id="at-page-rule">The @page Rule</h3>
+
 <p>Authors can specify various aspects of a page box, such as its dimensions,
 orientation, and margins, within an <span class="css">@page</span> rule. An
 <span class="css">@page</span> rule consists of the keyword <span class="css">'@page'</span>, an <em class="RFC2119">OPTIONAL</em> page name followed