From a199ab3f333a2e0bab37db935030f835c0740d08 Mon Sep 17 00:00:00 2001
From: "Miss Islington (bot)"
 <31488909+miss-islington@users.noreply.github.com>
Date: Tue, 23 Jan 2024 02:12:59 +0100
Subject: [PATCH] [3.12] GH-99334: Explain that `PurePath.is_relative_to()` is
 purely lexical. (GH-114031) (#114460)

(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 46a4d10b11d6..701131b5b2ec 100644
--- a/Doc/library/pathlib.rst
+++ b/Doc/library/pathlib.rst
@@ -509,6 +509,13 @@ Pure paths provide the following methods and properties:
       >>> p.is_relative_to('/usr')
       False
 
+   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
 
    .. deprecated-removed:: 3.12 3.14
-- 
2.47.3