check "$expected" "$actual"
+# check full output device, if one exists
+# if test -c /dev/full; then
+# start_test 'full output device'
+# printf 'scan: failed to fflush stdout: No space left on device\n' >"$expected"
+# scan last >/dev/full 2>"$actual" && false
+# check "$expected" "$actual"
+# fi
+
+
# check highlighting
start_test 'highlighting'
cat >"$expected" <<EOF