--- a/dataset.py	Fri Jul 25 17:02:28 2008 -0400
+++ b/dataset.py	Tue Jul 29 09:36:09 2008 -0400
@@ -1454,12 +1454,14 @@
         (it takes minibatches of inputs and produces minibatches of outputs, as
         documented in the class comment).
 
-        TBM: are filedtypes the old field types (from input_dataset) or the new ones
+        TBM: are fieldtypes the old field types (from input_dataset) or the new ones
         (for the new dataset created)?
         """
         self.input_dataset=input_dataset
         self.function=function
         self.output_names=output_names
+        #print 'self.output_names in afds:', self.output_names
+        #print 'length in afds:', len(self.output_names)
         self.minibatch_mode=minibatch_mode
         DataSet.__init__(self,description,fieldtypes)
         self.valuesHStack = values_hstack if values_hstack else input_dataset.valuesHStack
@@ -1484,9 +1486,10 @@
                                     for input_example in input_examples]
                 all_output_fields = zip(*output_examples)
 
+            #print 'output_names=', self.output_names
+            #print 'all_output_fields', all_output_fields
+            #print 'len(all_output_fields)=', len(all_output_fields)
             all_outputs = Example(self.output_names, all_output_fields)
-            #print 'input_fields', input_fields
-            #print 'all_outputs', all_outputs
             if fieldnames==self.output_names:
                 rval = all_outputs
             else: