Le 01/06/2022 à 21:12, Simon Albrecht a écrit :
Hi Jean,
On 01/06/2022 15:24, Jean Abou Samra wrote:
Please give an example.
I’ve gone debugging, and it’s a weird combination of two things that
causes the empty page:
%%%%%%%%%%%%%%%%%%%%%%%
\version "2.23.9"
\paper {
bookTitleMarkup = \markup {
\vspace #.3
}
}
\bookpart { \markup { 1 } }
\tocItem \markup "toc2"
\bookpart { \markup { 2 } }
%%%%%%%%%%%%%%%%%%%%%%%%%
I don’t understand… in my real-world book, the empty pages were empty,
now in this tiny example the second bookpart appears to get
duplicated, and this only because the bookTitleMarkup contains
_anything_ other than empty \fromproperty calls. Even \markup\null as
bookTitleMarkup has the bug (?) occurring.
OK, opened https://gitlab.com/lilypond/lilypond/-/issues/6358
about that. The thing is, \tocItem works by inserting a label
at the point it is being used. Since the label is a standalone
object between two bookparts, it is being made a bookpart
of its own! Without a title, that bookpart has no pages, but
if you have a title, it becomes visible ...
As said on the ticket, you need to move \tocItem inside
the second bookpart, like this:
\version "2.23.9"
\paper {
bookTitleMarkup = \markup {
\vspace #.3
}
}
\bookpart { \markup { 1 } }
\bookpart {
\tocItem \markup "toc2"
\markup { 2 }
}
Best,
Jean
