Since setting a grob's stencil prop to #f can trigger errors, I
discovered the following workaround. Do we have anything like this
already?
Yes.
empty-stencil is already defined in "define-markup-commands.scm", by :
(define-public empty-stencil (ly:make-stencil '() '(1 . -1) '(1 . -1)))
Well, I cannot tell you the advantages and drawbacks of this version versus
your proposal...
Gilles
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