doc: userspace-api: properly format ToC headings
authorVegard Nossum <vegard.nossum@oracle.com>
Fri, 27 Oct 2023 08:18:21 +0000 (10:18 +0200)
committerJonathan Corbet <corbet@lwn.net>
Fri, 17 Nov 2023 20:05:26 +0000 (13:05 -0700)
commit074f81506d9869d2750e3be2cecec163e8c0b1f1
tree1c15319c142f2f178ed1279c78c4508270769a33
parenteed94315555a441028238a4d05c6f86997d9e68e
doc: userspace-api: properly format ToC headings

"class:: toc-title" was a workaround for older Sphinx versions that are
no longer supported.

The canonical way to add a heading to the ToC is to use :caption:.
Do that.

Cc: Rui Li <me@lirui.org>
Cc: Yanteng Si <siyanteng@loongson.cn>
Cc: Wu XiangCheng <bobwxc@email.cn>
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20231027081830.195056-3-vegard.nossum@oracle.com
Documentation/translations/zh_CN/userspace-api/index.rst
Documentation/userspace-api/index.rst