Re: Weird parentheses

[Aaron Hill]

On 2018-09-23 1:37 pm, Simon Albrecht wrote:
> Output attached – I don’t know where that whitespace comes from.

The whitespace is due to not having any notes in the staff.  I've 
encountered this before, so you have to remember to put at least one 
note for the staff lines to connect fully.

But instead of doing markup in a Scheme funtion, there is what I think 
is a better option:

%%%%
\version "2.19.81"
\new Staff {
  \compoundMeter #'(12 9 8)
  \override Staff.TimeSignature.stencil = #ly:text-interface::print
  \override Staff.TimeSignature.text = \markup {
    \override #'(baseline-skip . 0)
    \number
    \line {
      \center-column { 21 8 }
      \vcenter "("
      \center-column { 12 8 }
      \vcenter "+"
      \center-column { 9 8 }
      \vcenter ")"
    }
  }
  \repeat unfold 2 { b'2. b' b'4. b' b' | }
}
%%%%

Here we build on top of ly:text-interface::print so we can just define a 
text property as normal markup.  There could of course be a way to query 
the compound meter so that it renders both the parts and the sum, but 
the above seems to be pretty clear even if it is "hard-coded" a bit.

-- Aaron Hill