On Sat, Aug 19, 2023 at 08:57:38AM +0900, Akira Yokosawa wrote:
> In ebook-size builds, tcolorbox occasionally complains:
>
> Package tcolorbox Warning: Using nobreak failed. Try to enlarge
> `lines before break' or set page breaks manually on input line
> xxxx.
>
> This warning is accompanied by an unfortunate page/column break just
> below a section heading in Appendix E.
>
> Make such ugly breaks less likely by enclosing the \section command
> with a pair of pagebreak/nopagebreak hints.
>
> Signed-off-by: Akira Yokosawa <akiyks@xxxxxxxxx>
Both queued and pushed, thank you!
Thanx, Paul
> --
> You need to be very lucky to observe this issue. At the moment,
> you can observe it in perfbook-ebsf.pdf built on Ubuntu 22.04.
> Section E.18's heading goes to the bottom of page 1277.
>
> This change makes it go to the top of page 1278.
> --
> qqz.sty | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/qqz.sty b/qqz.sty
> index 5c7eb5340194..74ee0566b1c2 100644
> --- a/qqz.sty
> +++ b/qqz.sty
> @@ -223,8 +223,9 @@
> %% Internal interfaces generated by scripts.
>
> \newcommand{\QuickQAC}[3]{
> + \pagebreak[3]
> \edef\QuickQuizAnswerChapter{\getrefnumber{#1}}
> - \section{#2}}
> + \section{#2}\nopagebreak}
>
> \IfNoQqz{
> \newcommand{\QuickQQC}[3]{
>
> base-commit: 54b77242aac76979b8bbb832809b55736167bf5e
> --
> 2.25.1
>
