Re: Bug in \offset with Fingering.font-size?

[David Nalesnik]

On Sat, Nov 1, 2014 at 4:34 PM, Trevor Daniels <address@hidden>
wrote:

> Should \offset work with the font-size of fingering?  It doesn't seem to.
> The default value is -5, so offsetting by -2 should give -7, with a size as
> shown by the \override and \tweak, but both forms of \offset give 0.
>
> {
>   \set fingeringOrientations = #'(left)
>   <a'-2>4
>   \override Fingering.font-size = #-7
>   <a'-2>
>   \once \offset font-size #-2 Fingering
>   <a'-2>
>   <a'-\tweak font-size #-7 -2>
>   <a'-\offset font-size #-2 -2>
> }
>
>
You're seeing this behavior with \offset because 'font-size can't be set to
a callback, which \offset does. You can see the same behavior here:

 {
  \set fingeringOrientations = #'(left)
  <a'-2>4
  \override Fingering.font-size = #(lambda (grob) -7)
  <a'-2>
}

You get the same result setting font-size to ##f or 0.

Enhancing 'font-size to process callbacks would be a useful feature, I
think.

--David