From: John Schlomann <[email protected]>
Date: Friday, December 1, 2017 at 1:02 PM
To: <[email protected]>
Subject: Problem with conditionals in layout
I’m have a problem including conditionals in a \layout block. The following
code results in error, “syntax error, unexpected OUTPUT_DEF_IDENTIFIER”.
The problem is that you are nesting layout blocks with this code, which is not
allowed. According to the Notation Reference 4.2.1 you can have multiple
layout blocks as top-level expressions, and they will all apply. So move your
variables \conditional* above the \score{} block:
\version "2.18.2"
#(define conditionalTimeSignature
(if #t
#{
\layout { \context { \Staff \remove "Time_signature_engraver" } }
#}
)
)
#(define conditionalBarNumbers
(if #t
#{
\layout { \context { \Score \remove "Bar_number_engraver" } }
#}
)
)
\conditionalTimeSignature
\conditionalBarNumbers
\score {
{ c' e' g' c'' }
}
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