adding line-box-contain

Author: howcom

css3-gcpm/Overview.src.html

@@ -3272,25 +3272,32 @@ <h3>The 'float-offset' property</h3>
 
 <h3>Aligning baselines</h3>
 
+
+
 <p>In multi-column layouts, baselines are typically aligned between
 adjacent columns. This gives the presentation a visual rythm, and text
 in the end of the columns will be alignend. To support this, a new
-value on the <span class=property>'line-stacking strategy'</span> is
-defined: ''grid-height''.
-
-<p class=note>The 'line-stacking-strategy' property is <a href="http://www.w3.org/TR/xsl/#line-stacking-strategy">used in XSL</a>, and the 'grid-height' value was proposed in a <a href="http://www.w3.org/TR/css3-linebox/#line-stacking-strategy">previous CSS draft</a>
+value on the <span class=property>'line-box-contain'</span> is
+defined: ''crack'' (or, perhaps, ''snap-space'', ''void'', ''grid'', ''dmz'').
 
-<p>The value means that the stack-height of the element is the smallest multiple of the used 'line-height' value on the containing block. 
+<p>The value means that the height of the line in which the element
+occurs should be rounded upt to the smallest multiple of the used
+'line-height' value on the containing block.
 
 <div class=example>
 In this example, the stacking height of div.figure would be 30px (2 * 15px)
 
 <pre>
 div.multicol { line-height: 15px }
-div.figure { height: 20px; line-stacking-strategy: grid-height }
+div.figure { height: 20px; line-box-contain: block inline replaced crack }
 </pre>
 
+<p class=note>
+<!--
+http://www.w3.org/Style/Group/css3-src/css3-linebox/Overview.html#LineStacking
+-->
 
+A similar idea for a 'grid-height' value was proposed in a <a href="http://www.w3.org/TR/css3-linebox/#line-stacking-strategy">previous CSS draft</a>. The 'line-stacking-strategy' property is <a href="http://www.w3.org/TR/xsl/#line-stacking-strategy">used in XSL</a>.