On Tue, Mar 3, 2015 at 8:37 AM, Cynthia Karl <[email protected]> wrote:

> The following snippet:
>
> \version "2.19.15"
>
> staffSize = #(define-music-function (parser location new-size) (number?)
> #{
>   \set fontSize = #new-size
>   \override StaffSymbol #'staff-space = #(magstep new-size)
>   \override StaffSymbol #'thickness   = #(magstep new-size)
> #})
>
>     Ab = \relative c' { f4 g a b  }
>
>     \score {
>         \new Staff  \with { \staffSize #2  { \Ab }
> \layout { }
>     }
>
> produces at LP v2.19.15:
>
>
> but at LP v2.19.16 produces:
>
>
> Besides being wrong (see, e.g., "Behind Bars" by Elaine Gould, p.13), this
> causes many scores to require an additional page.
>
> Applying convert-ly to the above snippet changes only the \version number.
>
> I tried all values for new-size between -8 and +8; the only ones that
> failed were -4 and 2.
>
> (The staffSize music-function was kindly contributed by Eluze in 2013 on
> this list to overcome limitations of layout-set-staff-size.)
>
>
I have been able to reproduce the problem on Windows 7 with Frescobaldi
2.17.2.

Additionally I found that sizes of 2.1, 1.4, 1.1, 0.7, 0.5, -0.2, -0.3,
-0.6, -1.3, -1.4, -2.1 also created the down stem on the F. (I only tested
2.1 to -2.1).

James Worlton
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