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Music function in LY file triggers error message

From: Johannes Feulner
Subject: Music function in LY file triggers error message
Date: Sat, 13 Feb 2021 13:29:01 +0100
User-agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1

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:

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)

By the way: Are parser and location though no necessary anymore deprecated/still allowed/make sense/bad style?



Johannes Feulner
Tel: +49 721 33500158  johannes.feulner@scorio.com

scorio GmbH  Bonhoefferweg 3   76327 Pfinztal
Geschäftsführer Johannes Feulner
Sitz der Gesellschaft Karlsruhe
Amtsgericht Mannheim HRB 713486

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