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@@ -25,6 +25,10 @@ can use different ones for different files.
-- [Skein hash](http://en.wikipedia.org/wiki/Skein_hash),
a well-regarded SHA3 hash competition finalist.
+Note that the SHA512, SKEIN512 and SHA384 generate long paths,
+which are known to not work on Windows. If interoperability on Windows is a
+concern, avoid those backends.
+
The `annex.backends` git-config setting can be used to list the backends
git-annex should use. The first one listed will be used by default when
new files are added.