[Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] #4975 [Windows] Grace notes cause staff to protrude into the margin

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Here's another MWE. This gives mis-directed force messages without affecting the layout. As with Jean's example, it makes no difference if \grace, \appoggiatura or \acciaccatura are used.

But it does make a difference if the staff size is changed. This example gives different numbers of errors if the staff size is 14, 18, 21 or 25, but no errors with other values in tis range. Hope this helps.

Using LP 2.19.83 and WIndows 7.

Peter

\version "2.19.80"

\language "english"

#(set-global-staff-size 25)

\score {
  \new Staff  {
    \clef "treble"
    \time 2/4
    {
      \repeat unfold 64 { \acciaccatura b'8 c''16  }
    }
  }
}

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[issues:#4975] [Windows] Grace notes cause staff to protrude into the margin

Status: Started
Created: Sun Sep 18, 2016 11:07 PM UTC by Simon Albrecht
Last Updated: Sat Nov 16, 2019 06:33 PM UTC
Owner: Phil Holmes

http://lilypond.1069038.n5.nabble.com/Grace-notes-and-staff-miss-alignment-tp181529p188186.html
As reported by Karol and confirmed by Pierre, this code

\version "2.19.48"

\transpose c c' {
  \repeat unfold 16 { e'8 a }
  R1*8
}

\transpose c c' {
  \repeat unfold 16 { \grace dis'8 e' \grace gis8 a }
  R1*8
} 

under Windows (at least 7 and 8) causes lots of programming error: mis-predicted force and has the last staff flow into the margin.
Output at http://lilypond.1069038.n5.nabble.com/file/n188186/ttttttt.pdf

The first bad version is 2.19.19.

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