From 3a61d24062aaa1e13ba794360b6c765d9a1f2b06 Mon Sep 17 00:00:00 2001
From: Barney Gale <barney.gale@gmail.com>
Date: Tue, 23 Jan 2024 01:06:44 +0000
Subject: GH-99334: Explain that `PurePath.is_relative_to()` is purely lexical.
 (#114031)

---
 Doc/library/pathlib.rst | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Doc/library/pathlib.rst b/Doc/library/pathlib.rst
index b924f47..faff3bc 100644
--- a/Doc/library/pathlib.rst
+++ b/Doc/library/pathlib.rst
@@ -515,6 +515,13 @@ 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
-- 
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