From 6e93280372a65cf7a6c64b51a2f1945e4053cbac Mon Sep 17 00:00:00 2001
From: Hanson Char <hanson.char@gmail.com>
Date: Mon, 1 Jul 2024 09:40:05 -0700
Subject: [PATCH] Add missing \usegdlibrary to control/library.lua

---
 tex/generic/pgf/graphdrawing/lua/pgf/gd/control/library.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tex/generic/pgf/graphdrawing/lua/pgf/gd/control/library.lua b/tex/generic/pgf/graphdrawing/lua/pgf/gd/control/library.lua
index 903f82602..464505141 100644
--- a/tex/generic/pgf/graphdrawing/lua/pgf/gd/control/library.lua
+++ b/tex/generic/pgf/graphdrawing/lua/pgf/gd/control/library.lua
@@ -150,7 +150,7 @@ declare {
     into account when drawing a graph.
   "]],
   examples = {
-    options = [[ preamble={\usetikzlibrary{graphs,graphdrawing} \usegdlibrary{phylogenetics}} ]],
+    options = [[ preamble={\usetikzlibrary{graphs,graphdrawing} \usegdlibrary{phylogenetics,trees}} ]],
     [["
       \tikz \graph [phylogenetic tree layout] {
         a --[length=2] b --[length=1] {c,d};