Index: /CKEditor/trunk/CHANGES.html
===================================================================
--- /CKEditor/trunk/CHANGES.html	(revision 6052)
+++ /CKEditor/trunk/CHANGES.html	(revision 6053)
@@ -41,4 +41,5 @@
 	<ul>
 		<li><a href="http://dev.ckeditor.com/ticket/6569">#6569</a> : Indentation now honors text direction of the only item.</li>
+		<li><a href="http://dev.ckeditor.com/ticket/6579">#6579</a> : The jQuery adapter wasn't working properly tunning on incompatible environments.</li>
 	</ul>
 	<p>
Index: /CKEditor/trunk/_source/adapters/jquery.js
===================================================================
--- /CKEditor/trunk/_source/adapters/jquery.js	(revision 6052)
+++ /CKEditor/trunk/_source/adapters/jquery.js	(revision 6053)
@@ -98,4 +98,7 @@
 		ckeditor: function( callback, config )
 		{
+			if ( !CKEDITOR.env.isCompatible )
+				return this;
+
 			if ( !jQuery.isFunction( callback ))
 			{