Use autotag in don.string

diff --git a/don/string.py b/don/string.py
index 0162d42ed844b1c9400d7bc21365dc79c1b16903..796cd0759c6e8d50b376d93b89b0a31c54cbcd2e 100644 (file)
--- a/don/string.py
+++ b/don/string.py
@@ -57,7 +57,7 @@ _STRING_SERIALIZERS = {
 }
 
 def serialize(o):
-    o = tags._tag(o)
+    o = tags.autotag(o)
     
     return _STRING_SERIALIZERS[o.tag](o.value)