search for: use_first_type_name_for_mani

I recently submitted a patch to work around an issue I was having & added a new optional behaviour to the to_xml method but on further reflection I wonder if the default behaviour should be changed. The gory detail, documentation and test case is all here... http://dev.rubyonrails.org/ticket/7004 Here''s a brief example... class Person < ActiveRecord::Base has_many: children