Index: Doc/lib/libxmlrpclib.tex
===================================================================
--- Doc/lib/libxmlrpclib.tex	(revision 54264)
+++ Doc/lib/libxmlrpclib.tex	(working copy)
@@ -35,11 +35,10 @@
 \url{http://ontosys.com/xml-rpc/extensions.php} for a description. 
 The \var{use_datetime} flag can be used to cause date/time values to be
 presented as \class{\refmodule{datetime}.datetime} objects; this is false
-by default.  \class{\refmodule{datetime}.datetime},
+by default.  Only \class{\refmodule{datetime}.datetime}
+objects may be passed to calls.  The programmer must explicitly convert
 \class{\refmodule{datetime}.date} and \class{\refmodule{datetime}.time}
-objects may be passed to calls.  \class{\refmodule{datetime}.date} objects
-are converted with a time of ``00:00:00''.
-\class{\refmodule{datetime}.time} objects are converted using today's date.
+objects to \class{\refmodule{datetime}.datetime} objects first.
 
 Both the HTTP and HTTPS transports support the URL syntax extension for
 HTTP Basic Authentication: \code{http://user:pass@host:port/path}.  The 
@@ -65,8 +64,9 @@
   \lineii{integers}{Pass in directly}
   \lineii{floating-point numbers}{Pass in directly}
   \lineii{strings}{Pass in directly}
-  \lineii{arrays}{Any Python sequence type containing conformable
-                  elements. Arrays are returned as lists}
+  \lineii{arrays}{Any Python sequence type which can be converted to a
+                  list and which contains conformable
+                  elements. Arrays are returned as lists.}
   \lineii{structures}{A Python dictionary. Keys must be strings,
                       values may be any conformable type. Objects
                       of user-defined classes can be passed in;
@@ -323,7 +323,11 @@
 \var{encoding}, if supplied, is the encoding to use in the generated
 XML; the default is UTF-8.  Python's \constant{None} value cannot be
 used in standard XML-RPC; to allow using it via an extension, 
-provide a true value for \var{allow_none}.
+provide a true value for \var{allow_none}.  Iterables other than
+strings, lists, tuples and dictionaries will be marshalled transparently as
+structures if they support a __dict__ method which returns a dictionary
+of conformable types or to lists if they can be converted to a list with
+the \var{list} builtin.
 \end{funcdesc}
 
 \begin{funcdesc}{loads}{data\optional{, use_datetime}}
Index: Lib/xmlrpclib.py
===================================================================
--- Lib/xmlrpclib.py	(revision 54264)
+++ Lib/xmlrpclib.py	(working copy)
@@ -634,13 +634,21 @@
             try:
                 value.__dict__
             except:
-                raise TypeError, "cannot marshal %s objects" % type(value)
-            # check if this class is a sub-class of a basic type,
-            # because we don't know how to marshal these types
-            # (e.g. a string sub-class)
-            for type_ in type(value).__mro__:
-                if type_ in self.dispatch.keys():
-                    raise TypeError, "cannot marshal %s objects" % type(value)
+                try:
+                    lst = list(value)
+                except TypeError:
+                    raise TypeError, ("cannot marshal %s objects" %
+                                      type(value))
+                else:
+                    self.dump_array(lst, write)
+                    return
+                # check if this class is a sub-class of a basic type,
+                # because we don't know how to marshal these types
+                # (e.g. a string sub-class)
+                for type_ in type(value).__mro__:
+                    if type_ in self.dispatch.keys():
+                        raise TypeError, ("cannot marshal %s objects" %
+                                          type(value))
             f = self.dispatch[InstanceType]
         f(self, value, write)
 
Index: Lib/test/test_xmlrpc.py
===================================================================
--- Lib/test/test_xmlrpc.py	(revision 54264)
+++ Lib/test/test_xmlrpc.py	(working copy)
@@ -114,6 +114,14 @@
                           xmlrpclib.loads(strg)[0][0])
         self.assertRaises(TypeError, xmlrpclib.dumps, (arg1,))
 
+    def test_dump_iter(self):
+        import array
+        value = array.array('i', [1,2,3])
+        arg1 = (value,)
+        strg = xmlrpclib.dumps(arg1)
+        self.assertEquals(list(value),
+                          xmlrpclib.loads(strg)[0][0])
+
     def test_default_encoding_issues(self):
         # SF bug #1115989: wrong decoding in '_stringify'
         utf8 = """<?xml version='1.0' encoding='iso-8859-1'?>