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pfg
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2016-06-07T15:07:00.840228Z
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V 491
ng_mppc(4): Bring netgraph(3) MPPC compression support.

Support for compression has been available from July 2007 but it
was never imported due to concerns with patents once held by
STAC/HiFn. The issues have clearly been resolved so bring it
in now.

Special thanks to Brett Glass for preserving the code and
pointing documentation for the expiration case.

Obtained from:	mav (through Brett Glass)
Relnotes:	yes
MFC after:	2 weeks
Differential Revision:	https://reviews.freebsd.org/D6739

END