docs: doc-guide: mention 'make refcheckdocs'

Add this to the section on fixing warnings.

Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20231022184910.919201-1-vegard.nossum@oracle.com>
This commit is contained in:
Vegard Nossum 2023-10-22 20:49:10 +02:00 committed by Jonathan Corbet
parent a10874e8db
commit 40d35bf963

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@ -138,6 +138,10 @@ times, but it's highly important. If we can actually eliminate warnings
from the documentation build, then we can start expecting developers to
avoid adding new ones.
In addition to warnings from the regular documentation build, you can also
run ``make refcheckdocs`` to find references to nonexistent documentation
files.
Languishing kerneldoc comments
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