https://github.com/boostorg/msm/blob/f607d5154df4a5cc7f5ae014f0796f0b21b8bfc4/example/mpl_graph/depth_first_search.cpp#L1
is reported as:
Copyright 2008-2010 Gordon Woodhull Distributed

Reported by @dimitris-iliou