[bug] conflict with \tikzexternalize

[Freed-Wu]

\documentclass[tikz]{standalone}
\usepackage{boxie}
\usetikzlibrary{external}
\tikzexternalize%
\begin{document}

\begin{windark}{cmd}
\end{windark}

\end{document}

latexmk -pvc- Desktop/test.main.tex

Desktop/test/main.tex|10 error| You can't use `\prevdepth' in restricted horizontal mode.
Desktop/test/main.tex|10 error| Missing number, treated as zero.
Desktop/test/main.tex|10 error| Illegal unit of measure (pt inserted).
Desktop/test/main.tex|10 error| Argument of \tikzexternal@laTeX@collect@until@end@tikzpicture has an extra }.
Desktop/test/main.tex|10 error| Paragraph ended before \tikzexternal@laTeX@collect@until@end@tikzpicture was complete.
Desktop/test/main.tex|10 error| Extra }, or forgotten \endgroup.
Desktop/test/main.tex|10 error| Extra \else.
Desktop/test/main.tex|| File ended while scanning use of \tikzexternal@laTeX@collect@until@end@tikzpicture.
Desktop/test/main.tex|| Emergency stop.
Desktop/test/main.tex|| ==> Fatal error occurred, no output PDF file produced!

[muzimuzhi]

和 boxie 无关，在 standalone + tikz external 时就能复现。可能和 https://github.com/latex3/latex2e/issues/441 有关。

\documentclass[tikz]{standalone}
\usetikzlibrary{external}
\tikzexternalize

\begin{document}
\begin{tikzpicture}
  \draw (0,0) grid (3,3);
\end{tikzpicture}
\end{document}

第一处 error

! Improper \prevdepth.
\newpage ...everypar {}\fi \par \ifdim \prevdepth 
                                                  >\z@ \vskip -\ifdim \prevd...
l.12 \end{document}

版本信息

• LaTeX2e, 2020-10-01, patch level 2
• tikz, 3.1.7a
• standalone, v1.3a

[Freed-Wu]

You are right. it belongs to https://github.com/latex3/latex2e/issues/441.