Re: Why is NonMusicalPaperColumn.line-break-system-details.extra-offset "upside down"?

[Carl Sorensen]

I assume it is because the negative offset reduces the skyline of the broken 
(following) system, which allows the spacing engine to raise that system.

Carl

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________________________________
From: lilypond-devel 
<lilypond-devel-bounces+carl.d.sorensen+digest=gmail.com@gnu.org> on behalf of 
Kieren MacMillan <kieren@kierenmacmillan.info>
Sent: Saturday, January 1, 2022 1:30:20 PM
To: LilyPond development <lilypond-devel@gnu.org>
Subject: Why is NonMusicalPaperColumn.line-break-system-details.extra-offset 
"upside down"?

Hi all,

(Happy New Year!)

Is there a logical reason that for most tweaks negative extra-offset values 
move the associated grob vertically lower on the page, but with 
NonMusicalPaperColumn.line-break-system-details it moves the associated system 
*higher* on the page?

I offer it would be better if extra-offset had a consistent behaviour/effect.

Thanks,
Kieren.