Index: tiny_mce.js
===================================================================
--- tiny_mce.js	(revision 6326)
+++ tiny_mce.js	(working copy)
@@ -3673,6 +3673,7 @@
 		htm = tinyMCE.regexpReplace(htm, "&#59;", ";", "gi");
 		htm = tinyMCE.regexpReplace(htm, """, """, "gi");
 		htm = tinyMCE.regexpReplace(htm, "^", "^", "gi");
+		htm = tinyMCE.regexpReplace(htm, "-", "-", "gi");
 
 		if (this.formElement)
 			this.formElement.value = htm;