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This tools implements parts of the functionality of MagicMatch which is
described in the following paper

M. Smith, V. Kunin, L. Goldovsky, A.J. Enright, and C.A. Ouzounis.
MagicMatch -- cross-referencing sequence identifiers across databases.
Bioinformatics, 21(16):3429-3430, 2005.

It is mainly used for testing the underlying MD5 fingerprint machinery.]])