linux-kernel - Re: [PATCH] docs: conf.py: fix support for Readthedocs v 1.0.0

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Date:   Fri, 26 Nov 2021 11:37:05 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Akira Yokosawa <akiyks@...il.com>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Cc:     Jonathan Corbet <corbet@....net>,
        Hans Verkuil <hverkuil@...all.nl>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>
Subject: Re: [PATCH] docs: conf.py: fix support for Readthedocs v 1.0.0

On 11/26/21 6:33 AM, Akira Yokosawa wrote:
> Hi Mauro,
> 
> On Fri, Nov 26, 2021 at 11:50:53AM +0100, Mauro Carvalho Chehab wrote:
>> As described at:
>> 	https://stackoverflow.com/questions/23211695/modifying-content-width-of-the-sphinx-theme-read-the-docs
>>
>> since Sphinx 1.8, the standard way to setup a custom theme is
>> to use html_css_files. While using html_context is OK with RTD
>> 0.5.2, it doesn't work with 1.0.0, causing the theme to not load,
>> producing a very weird html.
>>
>> Tested with:
>> 	- Sphinx 2.4.4 + sphinx-rtd-theme 0.5.2
>> 	- Sphinx 2.4.4 + sphinx-rtd-theme 1.0.0
>> 	- Sphinx 4.3.0 + sphinx-rtd-theme 1.0.0
>>
>> Reported-by: Hans Verkuil <hverkuil@...all.nl>
>> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
>> ---
>>   Documentation/conf.py | 13 +++++++++----
>>   1 file changed, 9 insertions(+), 4 deletions(-)
> 
> So I have an issue with this simple change.
> As I said to Jon in another thread [1], in which Jon didn't show any
> interest, this update changes the look of generated HTML pages
> (I should say) rather drastically, and it looks quite distracting
> for my eyes.  The style might be acceptable for API documentations,
> but kernel-doc has abundant natural language contents.

I agree 100% that the sans serif font is not desirable and not as
easy on the eyes as the serif font is.
Hopefully there is a way to change that.

> [1]: https://lkml.kernel.org/r/550fe790-b18d-f882-4c70-477b596facc7@gmail.com
> 
> I think there should be some knobs for customizing the styles.
> But I don't know much about css.
> 
> Can anybody restore the current look of kernel-doc HTML pages
> in a sphinx-rtd-theme-1.0.0-compatible way?
> 
> Sidenote:
> 
> The change (html_css_files) actually works with
>     - Sphinx 1.7.9 + sphinx-rtd-theme 1.0.0
> 
> This contradicts the Sphinx documentation saying that html_css_files
> was new to Sphinx 1.8.  This might be related to the changes in
> sphinx-rtd-theme side, but I have no evidence.
> 
> Any suggestion is welcome!

thanks.
-- 
~Randy