From: Zac Dover <zac.dover@gmail.com>
Date: Thu, 17 Nov 2022 05:35:58 +0000 (+1000)
Subject: doc/dev: link to Dot User's Manual
X-Git-Tag: v17.2.6~365^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F48925%2Fhead;p=ceph.git

doc/dev: link to Dot User's Manual

Add a link to the Dot User's Manual for Graphviz diagrams.

Signed-off-by: Zac Dover <zac.dover@gmail.com>
(cherry picked from commit 249a4794afc01ae27314e55f87932f7492fecb4f)
---

diff --git a/doc/dev/documenting.rst b/doc/dev/documenting.rst
index e6c05ee2a44f..7eb9e1214de1 100644
--- a/doc/dev/documenting.rst
+++ b/doc/dev/documenting.rst
@@ -88,6 +88,10 @@ separate file, like this::
 
   .. graphviz:: myfile.dot
 
+See the `Dot User's Manual <https://www.graphviz.org/pdf/dotguide.pdf>`_ by
+Emden R. Gansner, Eleftherios Koutsofios, and Stephen North for examples of
+digraphs. This is especially useful if this is your first time encountering
+GraphViz.
 
 Ditaa
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