Index: tests/Makefile.test
--- tests/Makefile.test.orig
+++ tests/Makefile.test
@@ -85,14 +85,14 @@ endif
 	diff -wq stand/$@.wstd local/$@.nr >/dev/null; \
 	if [ $$? -eq 0 ] ; then echo "w pass"; \
 	else echo "w FAIL"; \
-	diff --suppress-common-lines -wy stand/$@.wstd local/$@.nr > $@.diff; fi \
+	diff -wu stand/$@.wstd local/$@.nr > $@.diff; fi \
 	else \
 	diff -wq stand/$@.std local/$@.nr >/dev/null; \
 	if [ $$? -eq 0 ] ; then echo "pass"; \
 	else \
 	if grep -qi "This Program Requires" local/$@.out; then cat local/$@.out; \
 	else echo "FAIL"; \
-	diff --suppress-common-lines -wy stand/$@.std local/$@.nr > $@.diff; fi \
+	diff -wu stand/$@.std local/$@.nr > $@.diff; fi \
 	fi; \
 	rm -f local/$@.nr; \
 	fi || true
