Re: 'TabStaff' & 'RemoveEmptyStaves'

[David Kastrup]

Pierre Perol-Schneider <address@hidden> writes:

> Hi Squad,
>
> Following a french discussion:
> http://lilypond-french-users.1298960.n2.nabble.com/RemoveEmptyStaves-pour-les-Tab-td7583269.html
>
> \version "2.18.2"
> %\version "2.19.25" %% <= or
>
> ma-musique = {
>   \repeat unfold 4 c'1 \break
>   \repeat unfold 4 r1 \break
>   \repeat unfold 4 c'1
> }
>
> \new TabStaff \ma-musique
>
> %% The 'Default_bar_line_engraver' seems to bug
> %% in case of 'TabStaff' with a 'RemoveEmptyStaves' context:
> \new TabStaff \with { \RemoveEmptyStaves } \ma-musique
>
> I did not find any registered issues.

What is the bug supposed to be?  There is a TabStaff line with only
rests and it is removed as expected.  The same would happen with Staff.
That's the job description of \RemoveEmptyStaves.  What should it do
instead in your opinion and why?  LilyPond follows instructions here.

-- 
David Kastrup