The 'fix' flag of the frame_order.pivot user function was lost as the changes went into
prompt/frame_order.py.
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r15046 | bugman | 2011-12-07 18:04:11 +0100 (Wed, 07 Dec 2011) | 5 lines
  Changed paths:
     M /branches/frame_order_testing/prompt/frame_order.py
     M /branches/frame_order_testing/specific_fns/frame_order.py
  The frame_order.pivot user function now accepts the fix argument to allow the pivot to be fixed.
  This is for optimisation.
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