1 files changed, 12 insertions, 1 deletions
diff --git a/bs4/element.py b/bs4/element.py
index fdb90e0..7e5810a 100644
--- a/bs4/element.py
+++ b/bs4/element.py
@@ -24,11 +24,22 @@ def _alias(attr):
 
 class NamespacedAttribute(object):
 
-    def __init__(self, namespace_abbreviation, name, namespace):
+    def __init__(self, namespace_abbreviation, name, namespace=None):
         self.namespace_abbreviation = namespace_abbreviation
         self.name = name
         self.namespace = namespace
 
+    def __eq__(self, other):
+        if isinstance(other, NamespacedAttribute):
+            return (
+                self.namespace_abbreviation == other.namespace_abbreviation
+                and self.name == other.name
+                and self.namespace == other.namespace)
+        elif isinstance(other, basestring):
+            return str(self) == other
+        else:
+            return super(NamespacedAttribute, self).__eq__(other)
+
     def __str__(self):
         name = self.name
         if self.namespace_abbreviation: