On 18.12.2016 23:30, Br. Samuel Springuel wrote:
Some Googling led me to this idea:
#(if (not (defined? aster)) (aster = { \set stanza = \markup{"*"} }))
but this mixes scheme and lilypond syntax in a way I suspect is not
allowed
Yes :-)
Here’s how:
#(if (not (defined? 'aster))
(define aster #{ \set stanza = \markup "*" #}))
– IIRC, defined? takes a symbol, so you have to quote ‘aster’ using '
– Use a scheme define while in scheme
– when in Scheme, use #{#} to have something evaluated by the LilyPond
parser again (instead of the Guile interpreter)
HTH, Simon
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