From 068c081a40f8f996e3ab42564ec2e4d97fb03d05 Mon Sep 17 00:00:00 2001
From: Zac Dover <zac.dover@gmail.com>
Date: Thu, 17 Nov 2022 15:35:58 +1000
Subject: [PATCH] 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)
---
 doc/dev/documenting.rst | 4 ++++
 1 file changed, 4 insertions(+)

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
 -----
-- 
2.47.3