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Date:   Tue, 4 Jan 2022 07:47:08 +0100
From:   Christoph Hellwig <hch@lst.de>
To:     Mauro Carvalho Chehab <mchehab@kernel.org>
Cc:     Christoph Hellwig <hch@lst.de>, Jonathan Corbet <corbet@lwn.net>,
        linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: make pdfdocs fails on Debian stable
Message-ID: <20220104064708.GA15446@lst.de>
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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}

?