Hello everyone, Thank you Carl and Werner for providing an actual MWE ! I know it is not exclusively related to \sectionLabel as this command did not exist back when I first encountered this issue that keeps creeping every some (= (random 20) 0) layout.
> unpure-pure I did some very interesting reading of what [name some AI prompt] thinks of pure and unpure in the context of the LilyPond layout strategies. Quite an interesting read. -- *Pierre-Luc Gauthier* Le lun. 8 déc. 2025, à 11 h 12, Carl Sorensen <[email protected]> a écrit : > > > > On Mon, Dec 8, 2025, 10:02 AM Werner LEMBERG <[email protected]> wrote: >> >> >> >> Yeah, it seems that this is the case. Can you try an unpure-pure >> >> container to get a better vertical space estimate for `Y-extent`? >> >> See >> >> >> >> https://lilypond.org/doc/v2.25/Documentation/extending/unpure_002dpure-containers >> > >> > Is the idea to solve the problem with an unpure-pure container? Or >> > is this an experiment, which, if it works, will lead to declaring >> > sectionLabel as a pure function? >> >> I don't know, sorry. My experience with unpure-pure containers is >> zero; my advice is just an educated guess based on similar stuff that >> we've seen on the mailing lists, namely to make LilyPond provide a >> larger space default than it currently does. > > > My experience with unpure-pure containers is also zero. I took a quick look and couldn't make it work. Further work will need to wait until March. > > Thanks, > > Carl
