linux-kernel - Re: [PATCH v3 6/9] docs: pdfdocs: One-half spacing for CJK translations

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Date:   Thu, 12 Aug 2021 23:54:46 +0900
From:   Akira Yokosawa <akiyks@...il.com>
To:     Jonathan Corbet <corbet@....net>
Cc:     "Wu X.C." <bobwxc@...il.cn>, SeongJae Park <sj38.park@...il.com>,
        Hu Haowen <src.res@...il.cn>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Subject: Re: [PATCH v3 6/9] docs: pdfdocs: One-half spacing for CJK
 translations

On Thu, 12 Aug 2021 08:42:48 -0600, Jonathan Corbet wrote:
> Akira Yokosawa <akiyks@...il.com> writes:
> 
>> On Mon, 2 Aug 2021 18:56:16 +0900, Akira Yokosawa wrote:
>>> CJK documents are much easier to read with a wider baseline stretch.
>>> Applying the onehalfspacing option of "setspace" package looks
>>> reasonable.
>>>
>>> Note: \usepackage{setspace} needs to be before that of hyperref in the
>>> preamble.  The 'extrapackages' key (available since Sphinx 2.3) is for
>>> this purpose.
>>
>> Sphinx versions < 2.3 ignore 'extrapackages' and generate LaTeX
>> sources without setspace package.
>> Obviously, building such LaTeX sources will end up in the error of:
>>
>>     ! Undefined control sequence.
>>     \kerneldocCJKoff ...exeCJKinactive \singlespacing
>>
>> Current requirement to build pdfdocs is Sphinx 2.4.4, but LaTeX
>> sources generated by 1.7.9 can at least be built prior to this change.
>>
>> Jon, Mauro, do you think this is a regression?
> 
> Having the build just fail that way isn't really a good thing...it would
> be far better to do the baseline tweaking only with versions of sphinx
> that support it or, failing that, to at least refuse to build with a
> suitably informative message.

Hi Jon,

This issue is fixed in v4 of the patch set.
Can you please consider pulling v4?

I have tested it against Sphinx versions 1.7.9, 2.4.4, and 4.1.2.

v4: https://lore.kernel.org/linux-doc/39d0fb0f-b248-bca4-2dac-df69e8d697b1@gmail.com/T/

        Thanks, Akira
 
> 
> Thanks,
> 
> jon
>