From 44edc43350b8932165b629cb0080599f0672fd4e Mon Sep 17 00:00:00 2001
From: Damien Regad <dregad@mantisbt.org>
Date: Wed, 28 Aug 2019 12:42:00 +0200
Subject: [PATCH] Update GraphViz website URL

The references to the old AT&T website are no longer valid (404).

Fixes #26092
---
 config_defaults_inc.php                           |  3 +--
 core/graphviz_api.php                             |  6 ++----
 core/relationship_graph_api.php                   |  4 +---
 docbook/Admin_Guide/en-US/config/relationship.xml | 14 +++++++-------
 4 files changed, 11 insertions(+), 16 deletions(-)

diff --git a/config_defaults_inc.php b/config_defaults_inc.php
index 6dc188dd6a..5a33d384fd 100644
--- a/config_defaults_inc.php
+++ b/config_defaults_inc.php
@@ -3789,8 +3789,7 @@
  * Show issue relationships using graphs.
  *
  * In order to use this feature, you must first install GraphViz.
- *
- * Graphviz homepage:    http://www.research.att.com/sw/tools/graphviz/
+ * @see https://www.graphviz.org/ Graphviz homepage
  *
  * Refer to the notes near the top of core/graphviz_api.php and
  * core/relationship_graph_api.php for more information.
diff --git a/core/graphviz_api.php b/core/graphviz_api.php
index 44b6aa52d2..76aff5f4ae 100644
--- a/core/graphviz_api.php
+++ b/core/graphviz_api.php
@@ -22,10 +22,8 @@
  * enough just to support relationship_graph_api.php. They don't
  * support subgraphs yet.
  *
- * The original Graphviz package is available at:
- * 	- http://www.graphviz.org/
- * Additional documentation can be found at:
- * 	- http://www.graphviz.org/Documentation.html
+ * The original Graphviz package including documentation is available at:
+ * 	- https://www.graphviz.org/
  *
  * @package CoreAPI
  * @subpackage GraphVizAPI
diff --git a/core/relationship_graph_api.php b/core/relationship_graph_api.php
index f0509ac0e8..f23b578553 100644
--- a/core/relationship_graph_api.php
+++ b/core/relationship_graph_api.php
@@ -20,9 +20,7 @@
  * This uses GraphViz utilities to generate relationship graphs for
  * issues. GraphViz must be installed in order to use this feature.
  *
- * Graphviz is available at:
- * 	- http://www.graphviz.org/
- * 	- http://www.research.att.com/sw/tools/graphviz/
+ * Graphviz is available at: https://www.graphviz.org/
  *
  * Most Linux distributions already have a GraphViz package
  * conveniently available for download and install. Refer to
diff --git a/docbook/Admin_Guide/en-US/config/relationship.xml b/docbook/Admin_Guide/en-US/config/relationship.xml
index 6652f98541..f26ae12ff9 100644
--- a/docbook/Admin_Guide/en-US/config/relationship.xml
+++ b/docbook/Admin_Guide/en-US/config/relationship.xml
@@ -14,13 +14,13 @@
 					nodes and relationships as links between such nodes.  Possible values are ON or OFF.
 					Default is OFF.
 				</para>
-
-				<para>
-					This feature requires installing <ulink url="http://www.research.att.com/sw/tools/graphviz/">GraphViz</ulink>
-					(all OSes except Windows) or <ulink url="http://home.so-net.net.tw/oodtsen/wingraphviz/">WinGraphviz</ulink> (only Windows).
-					Refer to the notes near the top of core/graphviz_api.php and
-					core/relationship_graph_api.php for more information.
-				</para>
+				<note>
+					<para>This feature requires installing the
+						<ulink url="https://www.graphviz.org/">GraphViz</ulink> library.
+						Refer to the notes near the top of <filename>core/graphviz_api.php</filename>
+						and <filename>core/relationship_graph_api.php</filename> for more information.
+					</para>
+				</note>
 			</listitem>
 		</varlistentry>
 		<varlistentry>