diff --git a/doc/special_remotes/S3/comment_30_db7e1e3506cf7a912cf88ffe4caea20b._comment b/doc/special_remotes/S3/comment_30_db7e1e3506cf7a912cf88ffe4caea20b._comment
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+[[!comment format=mdwn
+ username="Ilya_Shlyakhter"
+ avatar="http://cdn.libravatar.org/avatar/1647044369aa7747829c38b9dcc84df0"
+ subject="comment 30"
+ date="2019-05-02T16:04:05Z"
+ content="""
+\"When versioning is not enabled, this risks data loss\" -- maybe, add an option to always import before exporting?  I don't want to enable versioning since that permanently loses the chance of dropping any objects (even if they're stored elsewhere).
+
+Also, versioning on S3 buckets can be suspended/resumed; not sure if git-annex uses current bucket versioning state or the remote configuration.
+"""]]