[html-formfu] Repeatable attribute and auto_id

[Ascii King]

If I set the auto_id in a repeatable element, it seems to affect all 
elements within the main block but not the main block itself.
I need it to affect the main block. Am I doing it wrong?

Here's what happens.
This code:

    - type: Repeatable
      nested_name: appointments
      auto_id: %n
      counter_name: appointment_count
      attributes:
        class: happy
        name: appointment_slot
      elements:

          - type: Text
            name: date

gives this output:

<div class="happy" *name="appointment_slot"*>
    <input type="text" name="appointments.date_1" id="appointments.date_1">
</div>

but I want this:

<div class="happy" *name="appointment_slot_1" id="appointment_slot_1"*>
    <input type="text" name="appointments.date_1" id="appointments.date_1">
</div>