Clef changes in retrograde, will only print a new clef. note positions will not change to accommodate the new clef

[Danny]

> I'm not top posting.

\version "2.16.2"

% If a clef is changed in retrograde it only prints the new clef
% It does not move the notes to their new locations on the staff
% All notes here are the same pitch but during clef changes it is printed 
% incorrectly

\relative c' {
  c1 % printed correctly
  \retrograde {
    c %printed correctly
    \clef treble
    c %printed as though in bass clef
    \clef treble
    c % Should be one ledger line above not below the staff in bass clef
    \clef bass
    c % Correctly printed in the assumed Treble clef
  }
}