Re: error on SystemStartDelimeterHierarchy snippet 2.19.82

[Aaron Hill]

On 2018-09-21 8:11 pm, Juan Cristóbal Cerrillo wrote:
> Hello,
>
> This snippet (Notation Reference 1.6.1) works fine on 2.18.2-1 but is
> incorrect on 2.19.82-1 (the SystemStartSquare on staff b vanishes).
>
> \new StaffGroup
> \relative c'' <<
>   \set StaffGroup.systemStartDelimiterHierarchy
>     = #'(SystemStartSquare (SystemStartBrace (SystemStartBracket a
>                              (SystemStartSquare b)  ) c ) d)
>   \new Staff { c1 }
>   \new Staff { c1 }
>   \new Staff { c1 }
>   \new Staff { c1 }
>   \new Staff { c1 }
> >>

What's happening is that the default "collapse-height" is set such that 
grouping braces/brackets/etc. will not normally show when they only 
contain a single staff.

Try adding in this something like this:

%%%%
\override StaffGroup.SystemStartSquare.collapse-height = #0
%%%%

-- Aaron Hill