K 10
svn:author
V 6
jilles
K 8
svn:date
V 27
2010-08-01T16:37:51.717945Z
K 7
svn:log
V 372
sh: Do not enter consecutive duplicates into the history.

This simply sets a flag in libedit. It has a shortcoming in that it does not
apply to multi-line commands.

Note that a configuration option for this is not going to happen, but always
having this seems better than not having it. NetBSD has done the same.

PR:		bin/54683
Obtained from:	NetBSD
MFC after:	1 month

END