Index: /CKEditor/trunk/CHANGES.html
===================================================================
--- /CKEditor/trunk/CHANGES.html	(revision 5249)
+++ /CKEditor/trunk/CHANGES.html	(revision 5250)
@@ -73,5 +73,5 @@
 		<li><a href="http://dev.fckeditor.net/ticket/5119">#5119</a> : Disabled command buttons are not being properly marked when focused.</li>
 		<li><a href="http://dev.fckeditor.net/ticket/5307">#5307</a> : Hide dialog page cause problem when there's only two remains.</li>
-		<li><a href="http://dev.fckeditor.net/ticket/4863">#4863</a> : Fixing iframedialog's height doesn't stretch to 100%.</li>
+		<li><a href="http://dev.fckeditor.net/ticket/5343">#5343</a> : Active list item ARIA role is wrongly placed.</li>
 	</ul>
 	<h3>
Index: /CKEditor/trunk/_source/plugins/listblock/plugin.js
===================================================================
--- /CKEditor/trunk/_source/plugins/listblock/plugin.js	(revision 5249)
+++ /CKEditor/trunk/_source/plugins/listblock/plugin.js	(revision 5250)
@@ -196,4 +196,6 @@
 						this.element.getDocument().getById( itemId + '_option' ).setAttribute( 'aria-selected', true );
 						this.element.setAttribute( 'aria-activedescendant', itemId + '_option' );
+
+						this.onMark && this.onMark( item );
 					},
 
@@ -201,4 +203,5 @@
 					{
 						this.element.getDocument().getById( this._.items[ value ] ).removeClass( 'cke_selected' );
+						this.onUnmark && this.onUnmark( this._.items[ value ] );
 					},
 
@@ -212,4 +215,6 @@
 							doc.getById( items[ value ] ).removeClass( 'cke_selected' );
 						}
+
+						this.onUnmark && this.onUnmark();
 					},
 
Index: /CKEditor/trunk/_source/plugins/panel/plugin.js
===================================================================
--- /CKEditor/trunk/_source/plugins/panel/plugin.js	(revision 5249)
+++ /CKEditor/trunk/_source/plugins/panel/plugin.js	(revision 5250)
@@ -245,4 +245,14 @@
 		this._.onKeyDown = block.onKeyDown && CKEDITOR.tools.bind( block.onKeyDown, block );
 
+		block.onMark = function( item )
+		{
+			holder.setAttribute( 'aria-activedescendant', item.getId() + '_option' );
+		};
+
+		block.onUnmark = function()
+		{
+			holder.removeAttribute( 'aria-activedescendant' );
+		};
+
 		block.show();
 
@@ -304,4 +314,6 @@
 				item.getDocument().getWindow().focus();
 			item.focus();
+
+			this.onMark && this.onMark( item );
 		}
 	},