martin f krafft [off-list ref] writes:
also sprach Simon 'corecode' Schubert [off-list ref] [2007.08.04.1426 +0200]:
quoted
s// is "match last regexp, so s/// is "match last regexp and replace with
empty string.
This fact is not in the manpage, AFAICT, at least not on Debian
systems.
IIRC, this is a traditional _ed_ feature. I don't think it has ever
been a traditional part of _sed_, but maybe some implementations have
adopted this usage.
--
David Kastrup, Kriemhildstr. 15, 44793 Bochum