Eduard Drenth skrev:
Can anyone give me a hint? Is there documentation available to start
looking when I have questions like these? Should I learn scheme? Should
I learn something else?
First of all, welcome!
Yes, you should definitely learn scheme - there is a tutorial in the
lilypond docs,
I can recommend "The Scheme Programming Language" that is available
online from http://www.scheme.com/tspl3/
In lilypond everything that is followed by a # is a scheme expression.
So the string that contains the postscriptcode is a scheme expression.
Therefore you can use the string manipulation functionality of scheme to
insert variables into the string.
-Rune
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