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Re: (scheme-)engraver in 2.20/21

From: Jan-Peter Voigt
Subject: Re: (scheme-)engraver in 2.20/21
Date: Thu, 24 Sep 2020 14:15:41 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0

Hi Dan,

Am 24.09.20 um 13:42 schrieb Dan Eble:
> On Sep 24, 2020, at 05:51, Jan-Peter Voigt <> wrote:
>> Hi all,
>> after some other very involving projects I can now refocus on lilypond :-)
>> I probably missed a change in 2.20/21. If I create a scheme-engraver the
>> "start-translation-timestep" slot is not called, if the "initialize"
>> slot has been called in this particular timestep. If this the intended
>> behaviour I appreciate it because it is consistent. The "start-trans.."
>> slot wasn't called before for instant voices, but for regular installed
>> contexts. So now I have to finish "initialize" of the engraver with
>> "start-trans..." in any case.
>> So my question is if this is intended and not likely to change?
>> Sorry, if I missed discussion about this!
> This change was intended.

thank you!
I stumbled across this looking at the edition-engraver.
Even though Aaron's objection is not entirely unjustified, I prefer this
uniform behavior. That means, the last action of "initialize" is always

> specifically, commit fe9242659305dce587bd1fcdcc7b0ac62df25ad6
> Dan

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