Document inclusion of license files in the .dist-info/licenses per PEP 639

Co-authored-by: 🇺🇦 Sviatoslav Sydorenko (Святослав Сидоренко) <[email protected]>

Author: befeleme

source/specifications/binary-distribution-format.rst

@@ -182,6 +182,7 @@ its version, e.g. ``1.0.0``, consist of:
    ``purelib`` or ``platlib`` as specified in ``WHEEL``.  ``purelib`` and
    ``platlib`` are usually both ``site-packages``.
 #. ``{distribution}-{version}.dist-info/`` contains metadata.
+#. ``{distribution}-{version}.dist-info/licenses/`` contains license files.
 #. ``{distribution}-{version}.data/`` contains one subdirectory
    for each non-empty install scheme key not already covered, where
    the subdirectory name is an index into a dictionary of install paths
@@ -250,6 +251,16 @@ The .dist-info directory
    mentioned and correctly hashed in RECORD.
 
 
+The :file:`.dist-info/licenses/` directory
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+If the metadata version is 2.4 or greater and one or more ``License-File``
+fields is specified, the :file:`.dist-info/` directory MUST contain a
+licenses subdirectory, which MUST contain the files listed in the
+``License-File`` fields in the METADATA file at their respective paths
+relative to the licenses directory.
+
+
 The .data directory
 ^^^^^^^^^^^^^^^^^^^
 
@@ -423,6 +434,8 @@ History
 - February 2013: This specification was approved through :pep:`427`.
 - February 2021: The rules on escaping in wheel filenames were revised, to bring
   them into line with what popular tools actually do.
+- November 2024: The .dist-info/licenses directory was specified through
+  :pep:`639`.
 
 
 Appendix