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Re: equivalent to \once within scheme?

From: David Kastrup
Subject: Re: equivalent to \once within scheme?
Date: Wed, 15 Sep 2010 10:24:12 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

Alexander Kobel <address@hidden> writes:

> On 2010-09-15 10:09, Marc Hohl wrote:
>> Hello all,
>> IIUC, \override grob #'foo = #bar
>> is more or less the same as
>> (ly:grob-set-property! grob foo bar)
>> Is there a scheme equivalent for
>> \once \override Grob #'foo = #bar ?
> Hi, Marc,
> if _I_ understand correctly, the (ly:grob-set-property! grob ...) is
> _exactly_ the \once \override ..., since it applies to the specific
> instance of a grob you give as an parameter.

That would rather be a \tweak, wouldn't it?  \once \override affects
every grob at a given timestep.

David Kastrup

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