On Mon, Jan 03, 2022 at 09:58:31PM +0100, Mauro Carvalho Chehab wrote: > Ah, the error is specific to RCU.tex then? Yes. > > You'll need to re-run xelatex with -interaction=interactive, in > order to be able to identify what's the root cause. > > You could do this by using LATEXOPTS, e. g.: > > $ make SPHINXDIRS=RCU LATEXOPTS="-interaction=interactive" pdfdocs > > With that, LaTeX will stop at the offending line from the .tex file. > > On a quick test here, I'm getting these at Fedora 35: > > (/usr/share/texlive/texmf-dist/tex/latex/l3packages/xtemplate/xtemplate.sty) > > ! LaTeX Error: File `ctexhook.sty' not found. > > Type X to quit or <RETURN> to proceed, > or enter new name. (Default extension: sty) > > It seems that a recent change (probably to better address issues with > Chinese and Japanese translation) added an extra dependency to some > stylesheet. > > I solved it by installing this package: "texlive-ctex". There is no texlive-ctex on Debian, but ctexhook.sty is installed as part of texlive-extra-utils. Here are the last lines from the interactive run: (/usr/share/texlive/texmf-dist/tex/latex/ctex/ctexhook.sty) (/usr/share/texlive/texmf-dist/tex/xelatex/xecjk/xeCJK.cfg)) (/usr/share/texlive/texmf-dist/tex/latex/etoolbox/etoolbox.sty) Writing index file RCU.idx (./RCU.aux) Runaway argument? {\contentsline {chapter}{\numberline {16}A Tour Through TREE\_RCU’s\ETC. ! File ended while scanning use of \@writefile. <inserted text> \par l.191 \begin{document} ?