revising column-span

Author: howcom

css3-multicol/Overview.src.html

@@ -1354,16 +1354,11 @@ <h3>'column-span'</h3>
 
 <div class="example">
 
-<p>In this example, an element with 'column-span: all' is set on an element that
-naturally ends up...:
-
-<pre class=css>
-h2 { 
-  column-span: all;
-}
-</pre>
-
-<p>As a result, the number of columns is increased. 
+<p>In this example, a heading with 'column-span: all' naturally
+appears in a column that appears in the overflow. The height of the
+multicol element is constrained and it is therefore not possible to
+make the element spanning. Therefore, the element appears as if
+'column-span: none' was specified.
 
 <div class=cols style="height: 100px">
 
@@ -1400,9 +1395,8 @@ <h3>'column-span'</h3>
 pqr stu vw xyz. A bc<br>
 def g hij klm nopqrs<br>
 tuv wxy z. <br>
-Heading<br>
-Abc de fg hi jklmno. Pqrstu vw<br>
-x yz.<br>
+<p>An H2 element</p>
+Abc de fg hi jklmno.
 </div>
 
 <div class=gap style="left: 150px"></div>