docs: mention that the oldest snapshot is marked oldest in the reasons of the forget comman

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Srigovind Nayak 2024-09-07 15:06:21 +05:30
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@ -214,7 +214,8 @@ The ``forget`` command accepts the following policy options:
run) and these snapshots will hence not be removed.
.. note:: If there are not enough snapshots to keep one for each duration related
``--keep-{within-,}*`` option, the oldest snapshot is kept additionally.
``--keep-{within-,}*`` option, the oldest snapshot is kept additionally and
marked as ``oldest`` in the output (e.g. ``oldest hourly snapshot``).
.. note:: Specifying ``--keep-tag ''`` will match untagged snapshots only.