Dear Lukas, Brilliant -- that indeed does remove all the whitespace!
Should I file a bug for this issue? And thank you for the feedback on the MWE -- I was thinking in comparison to the code I had *written*, it was minimal. But that's not quite it! Many thanks, Matt On Tue, Aug 11, 2026 at 4:37 AM Lukas-Fabian Moser <[email protected]> wrote: > Hi Matthew, > > > My current theory is that we're observing an artifact of the design of > > ly:one-page-breaking. But I have to investigate. (It's interesting to > > note what happens if we remove the tagline = ##f setting!) > > > It turns out that a possible workaround is making sure that the markup > has top coordinate zero. Try this: > > #(define-markup-command (show-extent layout props arg) (markup?) > (let ((stil (interpret-markup layout props arg))) > (ly:message "X: ~a\nY: ~a\n\n" > (ly:stencil-extent stil X) > (ly:stencil-extent stil Y)) > stil)) > > \markup > \show-extent > \general-align #Y #UP > { \box \line { \vspace #3 text } } > > (The show-extent command is only for displaying the stencil extent of a > markup; the actual change is in calling \general-align.) > > I still don't understand the mechanics involved, and of course it's not > desirable for you to have to put all of your markups in a \general-align > command. (Even though this could probably be automated by manipulating > the top level markup handlers.) > > Lukas > >
