From 1e854ffb61bf178f1442ae8588f59f508c8079e5 Mon Sep 17 00:00:00 2001
From: donBarbos <donbarbos@proton.me>
Date: Tue, 11 Mar 2025 20:18:54 +0400
Subject: [PATCH 1/2] Remove CLI interface for `difflib`

---
 Doc/library/cmdline.rst | 1 -
 Lib/difflib.py          | 7 -------
 2 files changed, 8 deletions(-)

diff --git a/Doc/library/cmdline.rst b/Doc/library/cmdline.rst
index 78fe95a014ff7c..598fa97d09a830 100644
--- a/Doc/library/cmdline.rst
+++ b/Doc/library/cmdline.rst
@@ -11,7 +11,6 @@ The following modules have a command-line interface.
 * :mod:`code`
 * :ref:`compileall <compileall-cli>`
 * :mod:`cProfile`: see :ref:`profile <profile-cli>`
-* :ref:`difflib <difflib-interface>`
 * :ref:`dis <dis-cli>`
 * :mod:`doctest`
 * :mod:`!encodings.rot_13`
diff --git a/Lib/difflib.py b/Lib/difflib.py
index c124afdd039559..bc09aa128aa6d9 100644
--- a/Lib/difflib.py
+++ b/Lib/difflib.py
@@ -2060,10 +2060,3 @@ def restore(delta, which):
     for line in delta:
         if line[:2] in prefixes:
             yield line[2:]
-
-def _test():
-    import doctest, difflib
-    return doctest.testmod(difflib)
-
-if __name__ == "__main__":
-    _test()

From e64a374817f8d4883a0f11d5e655ad5ab8efe232 Mon Sep 17 00:00:00 2001
From: donBarbos <donbarbos@proton.me>
Date: Tue, 11 Mar 2025 20:35:43 +0400
Subject: [PATCH 2/2] Add News entry

---
 .../next/Library/2025-03-11-20-35-41.gh-issue-93096.Jdt_8a.rst  | 2 ++
 1 file changed, 2 insertions(+)
 create mode 100644 Misc/NEWS.d/next/Library/2025-03-11-20-35-41.gh-issue-93096.Jdt_8a.rst

diff --git a/Misc/NEWS.d/next/Library/2025-03-11-20-35-41.gh-issue-93096.Jdt_8a.rst b/Misc/NEWS.d/next/Library/2025-03-11-20-35-41.gh-issue-93096.Jdt_8a.rst
new file mode 100644
index 00000000000000..69a261d558ba66
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2025-03-11-20-35-41.gh-issue-93096.Jdt_8a.rst
@@ -0,0 +1,2 @@
+Removed undocumented CLI ``python -m difflib``. Use ``python -m doctest
+Lib/difflib.py -v`` instead. Patch by Semyon Moroz.