Am 15.07.19 um 08:12 schrieb Robin Bannister:
It is normal 'automagic' for
\box { "X" "Y" "Z"}
to be mapped into
{ \box "X" \box "Y" \box "Z" }
giving you 3 boxes in a markup list
to which \concat can be applied.
Seems like that magic happens only for LilyPond syntax markups.
The mapping case
\markup \concat \box { "X" "Y" "Z" }
gives 3 boxes without complaint, but
#(markup #:concat #:box ("X" "Y" "Z"))
is errored.
Reformulating it as
#(markup (make-concat-markup (make-box-markup ("X" "Y" "Z"))))
is also errored.
So if magic doesn’t work, one can do it by hand:
#(markup (make-concat-markup (map make-box-markup (list "X" "Y" "Z"))))
This looks like for my usecase it’s easier to use the LilyPond syntax …
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