Index: /CKEditor/trunk/_source/plugins/listblock/plugin.js
===================================================================
--- /CKEditor/trunk/_source/plugins/listblock/plugin.js	(revision 3704)
+++ /CKEditor/trunk/_source/plugins/listblock/plugin.js	(revision 3705)
@@ -112,4 +112,5 @@
 						this._.close();
 						this.element.appendHtml( this._.pendingHtml.join( '' ) );
+						this._.pendingHtml = [];
 					},