Index: CKEditor/trunk/CHANGES.html
===================================================================
--- CKEditor/trunk/CHANGES.html	(revision 4015)
+++ CKEditor/trunk/CHANGES.html	(revision 4016)
@@ -216,4 +216,5 @@
 		<li><a href="http://dev.fckeditor.net/ticket/4144">#4144</a> : Fixed the white-spaces at the end of &lt;pre&gt; is incorrectly removed.</li>
 		<li><a href="http://dev.fckeditor.net/ticket/4143">#4143</a> : Fixed element id is lost when extracting contents from the range.</li>
+		<li><a href="http://dev.fckeditor.net/ticket/4007">#4007</a> : [IE] Source area overflow from editor chrome.</li>
 	</ul>
 	<h3>
Index: CKEditor/trunk/_source/plugins/sourcearea/plugin.js
===================================================================
--- CKEditor/trunk/_source/plugins/sourcearea/plugin.js	(revision 4015)
+++ CKEditor/trunk/_source/plugins/sourcearea/plugin.js	(revision 4016)
@@ -40,5 +40,6 @@
 							var styles =
 							{
-								width	: '100%',
+								// IE7 has overflow the <textarea> from wrapping table cell.
+								width	: CKEDITOR.env.ie7Compat ?  '99%' : '100%',
 								height	: '100%',
 								resize	: 'none',