K 10
svn:author
V 3
des
K 8
svn:date
V 27
2013-05-28T09:51:27.602071Z
K 7
svn:log
V 211
A missing $ caused the script to look in the wrong place when trying
to determine whether this was a first or subsequent run - but only
when backing up a non-root dataset.

Also, use [ -t 0 ] instead of tty(1).

END