I think I'm doing something wrong trying to extend one of my forms.
Details are below. Any help is appreciated.
Thanks,
Arman

I have two models rfq and rfq_line_item with the following
relationships:

rfq
  has_many :bids, :dependent => :destroy
  has_many :rfq_line_items, :dependent => :destroy, :accessible =>
true
  belongs_to :rfq_creator, :class_name => "User", :creator => true

rfq_line_item
  belongs_to :rfq

In application.dryml I have the following to customize the field list
and add a sub-form for line items:

<extend tag="form" for="Rfq">
  <old-form merge param="default">
    <error-messages param/>
    <field-list fields="title, details, bidding_close_dt, status,
bids, rfq_line_items" param/>
    <input-many:rfq_line_items><field-list fields="part_number,
description, quantity" param/></input-many>
    <div param="actions">
      <submit label="Save" param/><or-cancel param="cancel"/>
    </div>
  </old-form>
</extend>

New rfq form results in:
NotImplementedError in RfqsController#new
An input for has-many associations has not been implemented yet




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