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Re: Error in Extending Lilypond example
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From: |
Jean Abou Samra |
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Subject: |
Re: Error in Extending Lilypond example |
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Date: |
Wed, 1 Feb 2023 11:36:14 +0100 |
> Le 1 févr. 2023 à 11:23, Thomas Morley <thomasmorley65@gmail.com> a écrit :
>
> Am Mi., 1. Feb. 2023 um 04:16 Uhr schrieb Saul Tobin
> <saul.james.tobin@gmail.com>:
>>
>> The fourth example engraver here:
>> https://extending-lilypond.readthedocs.io/en/latest/extending/translation.html#fourth-engraver-example
>>
>> Running this code in 2.24 crashes on initializing the engraver with In
>> procedure ly:spanner-set-bound!: Wrong type argument in position 3
>> (expecting Item): ().
>
> Fwiw, looks like (ly:context-property ctx 'currentCommandColumn) is
> not longer available in the initialize-step of an engraver.
> Not the time to bisect when and why this happened,
It’s this:
https://gitlab.com/lilypond/lilypond/-/commit/7a09ffee2c69ab9617289afd21dae1b9198a9fee
Perfectly intentional.
Also, reading it in initialize was a bad idea in 2.22 in the first place. That
creates a dependency on the order in which engravers are \consists-ed between
your engraver and Paper_column_engraver. I’ll fix it by doing it in the first
run of process-music. It should have been like that in the first place.