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Re: global alignment tweak for ChordName

From: Jean Abou Samra
Subject: Re: global alignment tweak for ChordName
Date: Tue, 21 Dec 2021 22:21:44 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.3.1

Le 21/12/2021 à 21:49, David Kastrup a écrit :
Your "if" has no else path.  Maybe replace it with "and", assuming that
ChordName knows how to deal with an X-offset of #f (which tends to be a
valid setting for any predicate in grob properties).

Ouch. Looking at the relevant code path uncovered what
is to me buggy-looking behavior.

So, yes, "and" would be a good idea.

Hello Jean, hello David, hello Kieren,

you should even be able to write (if sten (ly:stencil-extent sten)), as the 
stencil should always be a stencil or #f.

The two universally accepted values for any property
regardless of the predicate are #f and '(), so it
may still be '(), which is why checking with specific
predicates like this is often used in LilyPond's


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