Index: _source/plugins/link/dialogs/link.js
===================================================================
--- _source/plugins/link/dialogs/link.js	(revision 5222)
+++ _source/plugins/link/dialogs/link.js	(working copy)
@@ -780,8 +780,8 @@
 								{
 									if ( !data.target )
 										data.target = {};
-
-									data.target.name = this.getValue();
+									
+									data.target.name = this.getValue().replace(/\W/gi, '');
 								}
 							}
 						]