Gaps left when content/footnotes are pushed on to the next page

[mahmadzaid]

Modifying the MWE from #1018 (comment)

\begin[papersize=a6]{document}
\nofolios
\use[module=packages.footnotes]
\use[module=packages.lorem]
% \use[module=packages.debug]
% \disable-pushback
\define[command=foo]{\bar \bar \bar\par}
\define[command=bar]{\lorem[words=30]\footnote{\lorem[words=40]}}
\foo
\foo
\foo
\foo
\foo
\end{document}

Also related #214

[Omikhleia]

I ran into that issue too, and failed at pinpointing it... Running with -d insertions shows weird things:

On (A) both frames are contiguous and descenders from the last content line are honored.

On (B) both frames are contiguous but descenders (or some amount) of the last content line are abused.

On (C) there would have been enough space to fit (at least a part of) the next note it seems, and the frames are no longer continuous (D)...

[Omikhleia]

It turned out I never actually understood it :p