Index: wp-includes/classes.php
===================================================================
--- wp-includes/classes.php	(revision 3428)
+++ wp-includes/classes.php	(working copy)
@@ -1575,6 +1575,10 @@
 					
 				$this->did_permalink = false;
 			}
+
+			if ($query_vars['name'] && $query_vars['feed'])
+				$query_vars['withcomments']=1;
+
 		}
 
 		$this->public_query_vars = apply_filters('query_vars', $this->public_query_vars);