The author of ddpt would like to thank the following people who
have made contributions:

Mark Knibbs <markk at clara dot co dot uk>
        proposed write sparing and sparse writing. [20081212]
        proposed granularity control for sparing+sparse; oflag=resume;
        lazy seeks; trim and self-trim. [20100730]

Peter Allworth <linsol at zeta dot org dot au>
        original dd clone design used by sg3_utils's dd variants
        (e.g. sg_dd). The sg_dd linux utility has been generalized
        to become this utility (ddpt). [20081212]


Doug Gilbert
30th July 2010
