From 0cd57249ab4b6a2e032e894aeb715b3ed58d45c3 Mon Sep 17 00:00:00 2001
From: "Chao Li (Evan)" <lic@highgo.com>
Date: Fri, 10 Oct 2025 16:01:24 +0800
Subject: [PATCH v1] Fixed a broken URL in rbtree.c

The original URL that refers to license term is broken, replacing
with an archive.org link.

Author: Chao Li <lic@highgo.com>
---
 src/backend/lib/rbtree.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/backend/lib/rbtree.c b/src/backend/lib/rbtree.c
index 3b5e5faa9bf..1f0553f914d 100644
--- a/src/backend/lib/rbtree.c
+++ b/src/backend/lib/rbtree.c
@@ -7,9 +7,9 @@
  * This code comes from Thomas Niemann's "Sorting and Searching Algorithms:
  * a Cookbook".
  *
- * See http://www.cs.auckland.ac.nz/software/AlgAnim/niemann/s_man.htm for
- * license terms: "Source code, when part of a software project, may be used
- * freely without reference to the author."
+ * See https://web.archive.org/web/20131202103513/http://www.cs.auckland.ac.nz/software/AlgAnim/niemann/s_man.htm
+ * for license terms: "Source code, when part of a software project, may be
+ * used freely without reference to the author."
  *
  * Red-black trees are a type of balanced binary tree wherein (1) any child of
  * a red node is always black, and (2) every path from root to leaf traverses
-- 
2.39.5 (Apple Git-154)

