Bug Report: Duplicated Tempo and key signature

[Songmuh Jong]

> I'm not top posting.

% duplicated tempo printed
% key signature appearsduped
% This only happens when the bass starts with \appoggiatura 

\version "2.14.2"

upper = \relative c' {
        \key g \major
        \time 4/4

        \clef treble
        r2_\markup{ \italic \bold \tiny "marcato" } \appoggiatura cis8-2 d2-3


}

lower = \relative c {
        \key g \major
        \clef bass
        \appoggiatura cis8-2 d2-1 r2

}


\book {
    \score {
        \new PianoStaff  <<
                \context Staff = "upper"  {
                        \upper
                }
                \context Staff = "lower"  {
                        \lower
                }
        >>

        \layout { }

    }

}