docs: kernel-doc.rst: document the new "var" kernel-doc markup

Add a description containing the new syntax to document
variables within kernel-doc markups.

Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <aa0e3abcd6882a62f3ab9c34033c60fca1c44604.1765894964.git.mchehab+huawei@kernel.org>
This commit is contained in:
Mauro Carvalho Chehab 2025-12-16 15:26:16 +01:00 • committed by Jonathan Corbet
commit b580fa304c