linux-kernel - Re: [PATCH 0/5] docs: pdfdocs: Improve LaTeX preamble (TOC, CJK fonts)

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Message-ID: <87zgmr66cn.fsf@meer.lwn.net>
Date:   Tue, 15 Feb 2022 16:46:32 -0700
From:   Jonathan Corbet <corbet@....net>
To:     Akira Yokosawa <akiyks@...il.com>
Cc:     linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Akira Yokosawa <akiyks@...il.com>
Subject: Re: [PATCH 0/5] docs: pdfdocs: Improve LaTeX preamble (TOC, CJK fonts)

Akira Yokosawa <akiyks@...il.com> writes:

> Hi,
>
> This is a follow-up series to the CJK font setting patch series [1]
> upstreamed in v5.15.
>
> [1]: https://lore.kernel.org/r/39d0fb0f-b248-bca4-2dac-df69e8d697b1@gmail.com
>
> There is still a lot of room for improvement in the layout of PDF docs.
>
> This series resolves issues listed below:
>
>  1. Some of chapter and section counts in Table of Contents (TOC) in
>     large PDF docs collide with chapter/section titles, e.g., Chapters 10,
>     11, 12, and 13 and Section 10.10 in userspace-api.pdf.
>  2. In docs of more than 99 pages, page counts in TOC are not aligned
>     properly when maxdepth >= 2 is specified in toctree, e.g., Chapters 10,
>     12, and 13 in userspace-api.pdf
>  3. In TOC of Latin-script docs, quotation and apostrophe symbols look too
>     wide, e.g., Section 2.2 in userspace-api.pdf.
>  4. In TOC of translations, Korean chapter titles lose inter-phrase spaces.
>  5. On systems without "Noto Sans CJK" fonts, CJK chapters in translations
>     results in full of "TOFU" boxes, with a long build time and a large
>     log file containing lots of missing-font warnings.
>  6. In translations.pdf built by "make pdfdocs", ascii-art diagrams in CJK
>     are not aligned properly.

I've applied the set, thanks.

I do notice that Documentation/conf.py is getting large and
unapproachable.  At some future point, it might be nice to pull all of
the latex stuff out into a separate file where it won't scare people who
stumble into it by accident.

Thanks,

jon