From 20f3669ac2f989646f0e9ba42b3f658febb334c7 Mon Sep 17 00:00:00 2001
From: Barney Gale <barney.gale@gmail.com>
Date: Tue, 23 Jan 2024 01:16:21 +0000
Subject: [PATCH] [3.11] GH-99334: Explain that `PurePath.is_relative_to()` is
 purely lexical. (GH-114031) (#114461)

(cherry picked from commit 3a61d24062aaa1e13ba794360b6c765d9a1f2b06)
---
 Doc/library/pathlib.rst | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Doc/library/pathlib.rst b/Doc/library/pathlib.rst
index 2d35285c12bd..283e324a7f1b 100644
--- a/Doc/library/pathlib.rst
+++ b/Doc/library/pathlib.rst
@@ -510,6 +510,13 @@ Pure paths provide the following methods and properties:
 
    If multiple arguments are supplied, they are joined together.
 
+   This method is string-based; it neither accesses the filesystem nor treats
+   "``..``" segments specially. The following code is equivalent:
+
+      >>> u = PurePath('/usr')
+      >>> u == p or u in p.parents
+      False
+
    .. versionadded:: 3.9
 
 
-- 
2.47.3