Replace duplicate sed test with case we hadn't covered yet.

diff --git a/tests/sed.test b/tests/sed.test
index 805184e..8c5bb5d 100755 (executable)
--- a/tests/sed.test
+++ b/tests/sed.test
@@ -117,9 +117,10 @@ testing "sed delimiter in regex [char range] doesn't count" "sed -e 's/[/]//'" \
 testing "sed delete regex range start line after trigger" \
        "sed -e '/one/,/three/{' -e 'i meep' -e '1D;}'" \
        "meep\nmeep\ntwo\nmeep\nthree" "" "one\ntwo\nthree"
-testing "sed D further processing depends on whether line is blank" \
-       "sed -e '/one/,/three/{' -e 'i meep' -e'N;2D;}'" \
-       "meep\nmeep\ntwo\nthree\n" "" "one\ntwo\nthree\n"
+testing "sed blank pattern repeats last pattern" \
+       "sed -e '/^three/s//abc&def/'" \
+       "one two three\nabcthreedef four five\nfive six seven\n" "" \
+       "one two three\nthree four five\nfive six seven\n"
 
 # Different ways of parsing line continuations