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Date:   Tue, 18 Oct 2022 13:24:16 +0900
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From:   Akira Yokosawa <akiyks@gmail.com>
Subject: Re: [PATCH v2 3/3] docs: kerneldoc-preamble: Test xeCJK.sty before
 loading
To:     Jonathan Corbet <corbet@lwn.net>,
        Mauro Carvalho Chehab <mchehab@kernel.org>
Cc:     linux-doc@vger.kernel.org,
        Mauro Carvalho Chehab <mchehab+huawei@kernel.org>,
        linux-kernel@vger.kernel.org
References: <c41cab17-afd6-bc99-56a1-e4e73b8c1ef6@gmail.com>
 <c24c2a87-70b2-5342-bcc9-de467940466e@gmail.com>
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On Mon, 8 Aug 2022 17:53:57 +0900, Akira Yokosawa wrote:
> On distros whose texlive packaging is fine-grained, texlive-xecjk
> can be installed/removed independently of other texlive packages.
> Conditionally loading xeCJK depending only on the existence of the
> "Noto Sans CJK SC" font might end up in xelatex error of
> "xeCJK.sty not found!".
> 
> Improve the situation by testing existence of xeCJK.sty before
> loading it.
> 
> This is useful on RHEL 9 and its clone distros where texlive-xecjk
> doesn't work at the moment due to a missing dependency [1].
> "make pdfdocs" for non-CJK contents should work after removing
> texlive-xecjk.
> 
> Link: [1] https://bugzilla.redhat.com/show_bug.cgi?id=2086254
FWIW, this ticket was closed recently. It took five months. Whew...

Now EPEL 9 carries texlive-ctex and its dependencies.
It is now possible to build pdfdocs with CJK contents within the
confinement of RHEL 9 and its clones' packages as long as you are
OK with enabling EPEL 9.

        Thanks, Akira

> Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
> Acked-by: Mauro Carvalho Chehab <mchehab@kernel.org>
[...]