Re: [PATCH 1/2] Documentation: html: show sections in the sidebar
From: Randy Dunlap
Date: Mon Aug 03 2026 - 13:24:50 EST
On 8/3/26 7:35 AM, Antonin Godard wrote:
> The current sidebar in the HTML version of the documentation does not
> display the section titles because the toctree directives in the
> top-level index.rst document do not contain ":caption:" properties.
> Replacing the current section titles by ":caption:" properties would not
> allow having text between those and the table of contents.
>
> To workaround this issue, add the ":caption:" properties in the toctree
> calls which makes them show up in the sidenbar, but hide them from the
> index page with a custom CSS addition.
>
> Signed-off-by: Antonin Godard <antonin.godard@xxxxxxxxxxx>
Nice. I like it. Thanks.
Reviewed-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Tested-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> ---
> Documentation/index.rst | 8 ++++++++
> Documentation/sphinx-static/custom.css | 6 ++++++
> 2 files changed, 14 insertions(+)
>
> diff --git a/Documentation/index.rst b/Documentation/index.rst
> index c0cf79a87c3a..a9eba8187de6 100644
> --- a/Documentation/index.rst
> +++ b/Documentation/index.rst
> @@ -21,6 +21,7 @@ community and getting your work upstream.
>
> .. toctree::
> :maxdepth: 1
> + :caption: Working with the development community
>
> Development process <process/development-process>
> Submitting patches <process/submitting-patches>
> @@ -37,6 +38,7 @@ kernel.
>
> .. toctree::
> :maxdepth: 1
> + :caption: Internal API manuals
>
> Core API <core-api/index>
> Driver APIs <driver-api/index>
> @@ -50,6 +52,7 @@ Various other manuals with useful information for all kernel developers.
>
> .. toctree::
> :maxdepth: 1
> + :caption: Development tools and processes
>
> Licensing rules <process/license-rules>
> Writing documentation <doc-guide/index>
> @@ -71,6 +74,7 @@ developers seeking information on the kernel's user-space APIs.
>
> .. toctree::
> :maxdepth: 1
> + :caption: User-oriented documentation
>
> Administration <admin-guide/index>
> Build system <kbuild/index>
> @@ -88,6 +92,7 @@ platform firmware.
>
> .. toctree::
> :maxdepth: 1
> + :caption: Firmware-related documentation
>
> Firmware <firmware-guide/index>
> Firmware and Devicetree <devicetree/index>
> @@ -98,6 +103,7 @@ Architecture-specific documentation
>
> .. toctree::
> :maxdepth: 2
> + :caption: Architecture-specific documentation
>
> CPU architectures <arch/index>
>
> @@ -111,6 +117,7 @@ to reStructuredText format, or are simply too old.
>
> .. toctree::
> :maxdepth: 1
> + :caption: Other documentation
>
> Unsorted documentation <staging/index>
>
> @@ -120,6 +127,7 @@ Translations
>
> .. toctree::
> :maxdepth: 2
> + :caption: Translations
>
> Translations <translations/index>
>
> diff --git a/Documentation/sphinx-static/custom.css b/Documentation/sphinx-static/custom.css
> index 5aa0a1ed9864..0576d4fcb2a3 100644
> --- a/Documentation/sphinx-static/custom.css
> +++ b/Documentation/sphinx-static/custom.css
> @@ -75,6 +75,12 @@ div.kerneltoc li.current ul { margin-left: 0; }
> div.kerneltoc { background-color: #eeeeee; }
> div.kerneltoc li.current ul { background-color: white; }
>
> +/*
> + * Hide toctree captions on the welcome page, they should only be shown in the
> + * sidebar.
> + */
> +section#the-linux-kernel-documentation p.caption { display: none; }
> +
> /*
> * The CSS magic to toggle the contents on small screens.
> */
>
--
~Randy