Added return tag support. Return works via an exception, so

we have to pass this special kind of exception through.

lib/python/DocumentTemplate/DT_Try.py

@@ -86,6 +86,7 @@
 import string, sys, traceback
 from cStringIO import StringIO
 from DT_Util import parse_params, render_blocks, namespace, InstanceDict
+from DT_Return import DTReturn
 
 class Try:
     """Zope DTML Exception handling
@@ -143,6 +144,8 @@ class Try:
         # first we try to render the first block
         try:
             return render_blocks(self.section, md)
+        except DTReturn:
+            raise
         except:
             # but an error occurs.. save the info.
             t,v = sys.exc_info()[:2]