Re: Music function in LY file triggers error message

[Jean Abou Samra]

Le 13/02/2021 à 13:29, Johannes Feulner a écrit :
> HI there,
>
> updating from LilyPond version 2.19.53 to 2.23.1 I found unexpected 
> non-fatal error messages in LilyPonds output whenever a music function 
> is defined:
>
> Analysieren...
> Programmierfehler: Parsed object should be dead #<Prob: Music C++: 
> Music((void . #t))((name . Music) (types)) >
>
> This happens even if a defined music function is never called.
>
> Minimal example:
>
>    \version "2.23.1"
>    myFunc =
>    #(define-music-function (parser location m)
>       (ly:music?)
>       m)
>
> By the way: Are parser and location though no necessary anymore 
> deprecated/still allowed/make sense/bad style?
>
> Cheers,
>
> Johannes

Hello,

A fix is in progress at 
https://gitlab.com/lilypond/lilypond/-/merge_requests/622

Best,
Jean