1.1 --- a/css3-page/Overview.src.html Mon Feb 11 14:12:53 2013 -0800 1.2 +++ b/css3-page/Overview.src.html Mon Feb 11 14:15:36 2013 -0800 1.3 @@ -527,7 +527,10 @@ 1.4 a page or a margin context, the <a href="http://www.w3.org/TR/CSS21/syndata.html#parsing-errors">Rules for handling parsing errors</a> 1.5 apply; that is, valid declarations within the block are applied.</p> 1.6 1.7 -<h3 id="left-right-first">Page pseudo-classes: :left, :right, and :first</h3> 1.8 +<h3 id="pseudo-classes"> 1.9 + <a id="left-right-first"></a> 1.10 + Page pseudo-classes: :left, :right, :first, and :blank 1.11 +</h3> 1.12 1.13 <p> 1.14 When printing double-sided documents, 1.15 @@ -591,6 +594,55 @@ 1.16 </pre> 1.17 </div> 1.18 1.19 +<p> 1.20 + Blank pages that appear as a result of 1.21 + <a href="http://www.w3.org/TR/css3-break/#forced-breaks">forced page breaks</a> 1.22 + can be styled with the <code>:blank</code> pseudo-class. 1.23 + 1.24 +<div class="example"> 1.25 +<p>In this example, forced page break may occur before <code>h1</code> elements. 1.26 +<pre> 1.27 +h1 { page-break-before: left } 1.28 + 1.29 +@page :blank { 1.30 + @top-center { content: "This page is intentionally left blank" } 1.31 +} 1.32 +</pre> 1.33 +</div> 1.34 + 1.35 +<p> 1.36 + A page matched by <code>:blank</code> can also be matched 1.37 + by other page pseudo-classes. 1.38 + 1.39 +<div class="example"> 1.40 + 1.41 +<p>If headers have been specified on all right pages, a blank right 1.42 +page will be matched by both <code>:blank</code> 1.43 +and <code>:right</code>. Therefore, margin boxes set on right pages 1.44 +will have to be removed unless they are wanted on blank pages. Here is 1.45 +an example where the top center header is removed from blank pages, 1.46 +while the page number remains: 1.47 + 1.48 +<pre> 1.49 +h1 { page-break-before: left } 1.50 + 1.51 +@page :blank { 1.52 + @top-center { content: none } 1.53 +} 1.54 + 1.55 +@page :right { 1.56 + @top-center { content: "Preliminary edition" } 1.57 + @bottom-center { content: counter(page) } 1.58 +} 1.59 +</pre> 1.60 + 1.61 +<p>Due to the higher specificity of <code>:blank</code> 1.62 +over <code>:right</code>, the top center header is removed even 1.63 +if <code>content: none</code> comes before <code>content: "Preliminary 1.64 +edition"</code>. 1.65 + 1.66 +</div> 1.67 + 1.68 <div class="note"> 1.69 <p><em><strong>Note.</strong> Future versions of CSS may include other page 1.70 pseudo-classes.</em></p> 1.71 @@ -638,7 +690,7 @@ 1.72 pseudo_page | IDENT pseudo_page? 1.73 ; 1.74 <span id="syntax-prod-pseudo-page">pseudo_page</span> : 1.75 - ':' [ "left" | "right" | "first" ] 1.76 + ':' [ "left" | "right" | "first" | "blank" ] 1.77 ; 1.78 1.79 <span id="syntax-prod-margin">page_margin_box</span> : 1.80 @@ -709,7 +761,7 @@ 1.81 1.82 <ul> 1.83 <li>if the page selector has a named page, f=1; else f=0</li> 1.84 - <li>if the page selector has a ':first' pseudo-class, g=1; else g=0</li> 1.85 + <li>if the page selector has a ':first' or ':blank' pseudo-class, g=1; else g=0</li> 1.86 <li>if the page selector has a ':left' or ':right' pseudo-class, h=1; else h=0</li> 1.87 </ul> 1.88