David Sumbler <da...@aeolia.co.uk> writes:
> %%%%%%%%%%%%%%%%%%
> \version "2.19.81"
>
> #(set-global-staff-size 20)
> \book {
> \bookOutputName "test1"
> \header { title = \markup \fontsize #10 "fontsize 10" }
> { c''1 }
> }
>
> #(set-global-staff-size 10)
> \book {
> \bookOutputName "test2"
> \header { title = \markup \fontsize #16 "fontsize 16" }
> { c''1 }
> }
> %%%%%%%%%%%%%%%%%%
>
> Here the text in the second output file is correctly sized, but with
> the horizontal spacing only half what it should be. It is similar to
> the problem found with \abs-fontsize.
>
> However, in this case the problem is unlikely to be an issue in
> practice, because the only circumstances I have found in which it
> occurs are when (a) the second staff size is exactly half (or double)
> the first staff size, AND (b) the second fontsize is smaller (or
> greater) than the first by exactly 6.
>
> Weird, eh?
No. Fontsize is defined in terms of 6th roots of 2. So basically you
are producing a font with quite exactly the same size. LilyPond is
likely reusing some aspect of it but then botches the spacing.
--
David Kastrup
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