linux-kernel - Re: [PATCH] docs: pdfdocs: Prevent column squeezing by tabulary

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Message-ID: <87eedl8ajp.fsf@meer.lwn.net>
Date:   Tue, 01 Jun 2021 16:50:02 -0600
From:   Jonathan Corbet <corbet@....net>
To:     Akira Yokosawa <akiyks@...il.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Cc:     "Wu X.C." <bobwxc@...il.cn>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, Akira Yokosawa <akiyks@...il.com>
Subject: Re: [PATCH] docs: pdfdocs: Prevent column squeezing by tabulary

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

> Setting a reasonable width to \tymin prevents column squeezing
> by tabulary.
> Width of 20em works well in almost all the tables still in the
> ascii-art format.
>
> Excerpt from tabulary package documentation at [1]:
>
>     To stop very narrow columns being too 'squeezed' by this process
>     any columns that are narrower than \tymin are set to their natural
>     width.
>
> [1]: https://mirrors.ctan.org/macros/latex/contrib/tabulary/tabulary.pdf
>
> Note: Sphinx has its own default value of \tymin set in
> sphinxlatextables.sty (Sphinx 4.0.2) and sphinxmulticell.sty
> (Sphinx 2.4.4) as follows:
>
>     \setlength{\tymin}{3\fontcharwd\font`0 }
>
> , which is not sufficient for kernel-doc.
>
> Tested against Sphinx versions 2.4.4 and 4.0.2.
>
> Signed-off-by: Akira Yokosawa <akiyks@...il.com>
> ---
> Hi all,
>
> This is another attempt to improve pdfdocs output.
> As far as I see, I don't see any obvious regression by
> this change.
>
> The effect of this change can be seen in (not limited to)
> the MODULE_LICENSE section in process.pdf (pages 10 and 11).
>
> I'd like to know this change looks reasonable to you.
>
> Any feedback is welcome!
>
>         Thanks, Akira
>
> --
>  Documentation/conf.py | 2 ++
>  1 file changed, 2 insertions(+)

Applied, thanks.

jon