diff --git a/uml.py b/uml.py
index 84dbf4c..40fe46b 100644
--- a/uml.py
+++ b/uml.py
@@ -7,9 +7,11 @@ class ParsingError(UntitledError): pass
 class MiscError(UntitledError): pass
 
 class Element:
-    def __init__(self, element, data=None):
+    def __init__(self, element, data=None, data2=None):
         if not data: self.data = ""
         else: self.data = data
+        if not data2: self.data2 = ""
+        else: self.data2 = data2
         self.element = element
     def append(self, string, space=False):
         if type(data) == str: