"yes\n" "" ""
rm ./- # Clean up
+testing "sed s/xxx/[/" "sed -e 's/xxx/[/'" "[\n" "" "xxx\n"
+
# Ponder this a bit more, why "woo not found" from gnu version?
#testing "sed doesn't substitute in deleted line" \
# "sed -e '/ook/d;s/ook//;t woo;a bang;'" "bang" "" "ook\n"