On 4/12/20, Thomas Morley <thomasmorle...@gmail.com> wrote:
> Hi,
> The SystemStartBrace vanishes after stop/startStaff.
Weird. That’s definitely an unwanted behavior (in other words, a bug).
> consider the following code:
>
>
> mus = \new Staff { R1 \break R \stopStaff s \startStaff R \break R \break R
> }
>
> \new StaffGroup
> \with {
> systemStartDelimiterHierarchy =
> #'(SystemStartBracket (SystemStartBrace a b c))
> }
> << \mus \mus \mus >>
>
>
> I'm at a loss here, it does not work out of the box for every version
> from 2.12.3 up to master.
>
> Any chance to get the additional SystemStartBrace back?
Your guess is as good as mine. I wonder if it’s because the
\stopStaff triggers the engraver’s 'finalize' step, where the nesting_
list gets deleted:
// system-start-delimiter-engraver.cc
void
System_start_delimiter_engraver::finalize ()
{
if (nesting_)
{
nesting_->set_bound (RIGHT,
unsmob<Grob> (get_property
("currentCommandColumn")));
nesting_->set_nesting_support (0);
delete nesting_;
}
}
But I’m obviously talking out of my arse here.
Cheers,
V.
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