-testing 'sed -n $p' 'sed -n \$p' "three" "" "one\ntwo\nthree"
-testing 'sed as cat #2' "sed -n '1,\$p'" "one\ntwo\nthree" "" "one\ntwo\nthree"
-testing 'sed no input means no last line' "sed '\$a boing'" "" "" ""
-testing 'sed -n $,$p' 'sed -n \$,\$p' 'three' '' 'one\ntwo\nthree'
+testing '-n $p' 'sed -n \$p' "three" "" "one\ntwo\nthree"
+testing 'as cat #2' "sed -n '1,\$p'" "one\ntwo\nthree" "" "one\ntwo\nthree"
+testing 'no input means no last line' "sed '\$a boing'" "" "" ""
+testing '-n $,$p' 'sed -n \$,\$p' 'three' '' 'one\ntwo\nthree'