Make sure we stick to POSIX-sed only. I _think_ this portable enough to
[mmh] / etc / sendfiles
2012-10-21 David LevineUpdated sendfiles(1):
2000-05-28 Ruud de Rooij* Applied patch from Peter Maydell to uip/scansbr.c...
1999-04-30 Doug MorrisInitial revision