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Re: conditional \when-property


From: David Kastrup
Subject: Re: conditional \when-property
Date: Wed, 31 Jul 2013 07:28:20 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux)

Kieren MacMillan <address@hidden> writes:

> Hi all,
>
> Found the correct solution (I think):
>
> #(define-markup-command (when-property layout props symbol markp) (symbol? 
> markup?)
>  (if (chain-assoc-get symbol props)
>      (interpret-markup layout props markp)
>      (ly:make-stencil '() empty-interval empty-interval)))

Using empty-stencil rather than your own call of ly:make-stencil should
work for more versions.

-- 
David Kastrup




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