adding example

Author: howcom

css3-gcpm/Overview.src.html

@@ -393,6 +393,20 @@ <h3>Running elements</h3>
 </pre>
 </div>
 
+
+<div class="example">
+<p>In this example, the element is copied into the running header but it also keeps its normal place.
+
+<pre>
+title { position: running(header), normal }
+@page { @top-center {
+  content: element(header) }
+}
+</pre>
+</div>
+
+
+
 <p>Like the ''string()'' value, the ''element()'' value accepts an
 optional second argument:
 
@@ -2740,11 +2754,14 @@ <h2>Page and column floats, alternative syntax</h2>
 <dt>inside, outside
 <dd>as described in the previous section
 
+<dt>footnote
+<dd>as described above
+
 <dt>columns(n)
-<dd>makes the float span n columns; sets the float context to be the multicol element
+<dd>makes the float span n columns, and sets the float context to be the multicol element
 
 <dt>page
-<dd>sets the float context to be the page, not the element
+<dd>sets the float context to be the page
 
 </dl>