Grace notes in the first measure mess up the layout

[Arle Lommel]

I’m running into a major layout fault when I have a grace note in the first 
measure of a piece. Measures with a grace note look as expected, but all other 
staves are *really* ugly.

I’m assuming this is *not* the intended behavior and conjecture it is happening 
because Lilypond sees the grace note as inhabiting a time before the measure 
starts and so kicks the key signature and clef to appear to the right of the 
grace note . Removing the grace note gets everything looking right.

How can I get this to display as expected?


MWE:

\version "2.19.83"

vocal = \relative c'' {
        \clef treble
        \key aes \major
        R2.
}

upper = \relative c'' {
        \clef treble
        \key aes \major
        c4 ees4 g4
}

lower = \relative c' {
        \clef bass
        \key aes \major
        \time 3/4
        \grace b,16( <f c'>2.) |
}

\score {
  <<
    \new Voice = "mel" { \vocal }
    \new PianoStaff <<
      \new Staff = "upper" \upper
      \new Staff = "lower" \lower
    >>
  >>
  \layout {}
}



Best,

Arle