linux-kernel - [PATCH 3/3] docs: Document cross-referencing between documentation pages

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Message-ID: <20200911133339.327721-4-nfraprado@protonmail.com>
Date:   Fri, 11 Sep 2020 13:34:46 +0000
From:   Nícolas F. R. A. Prado 
        <nfraprado@...tonmail.com>
To:     Jonathan Corbet <corbet@....net>
Cc:     linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        lkcamp@...ts.libreplanetbr.org, andrealmeid@...labora.com
Subject: [PATCH 3/3] docs: Document cross-referencing between documentation pages

The syntax to cross-reference between documentation pages wasn't
documented anywhere.

Document the cross-referencing using the new automarkup for
Documentation/... and also Sphinx's doc directive for using relative
paths.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...tonmail.com>
---
 Documentation/doc-guide/sphinx.rst | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/Documentation/doc-guide/sphinx.rst b/Documentation/doc-guide/sphinx.rst
index f71ddd592aaa..896478baf570 100644
--- a/Documentation/doc-guide/sphinx.rst
+++ b/Documentation/doc-guide/sphinx.rst
@@ -337,6 +337,23 @@ Rendered as:
 
         - column 3
 
+Cross-referencing
+-----------------
+
+Cross-referencing from one documentation page to another can be done by passing
+the path to the file starting from the Documentation folder.
+For example, to cross-reference to this page (the .rst extension is optional)::
+
+    See Documentation/doc-guide/sphinx.rst.
+
+If you want to use a relative path, you need to use Sphinx's ``doc`` directive.
+For example, referencing this page from the same directory would be done as::
+
+    See :doc:`sphinx`.
+
+For information on cross-referencing to kernel-doc functions or types, see
+Documentation/doc-guide/kernel-doc.rst.
+
 .. _sphinx_kfigure:
 
 Figures & Images
-- 
2.28.0