path: root/Misc/NEWS.d/next/Library/2023-10-10-22-54-56.gh-issue-110488.2I7OiZ.rst

Fix a couple of issues in :meth:`pathlib.PurePath.with_name`: a single dot
was incorrectly considered a valid name, and in :class:`PureWindowsPath`, a
name with an NTFS alternate data stream, like ``a:b``, was incorrectly
considered invalid.