ingo@aeolus hg-test default-r70 (tip) ~/hg-test $ hg diff -b
ingo@aeolus hg-test default-r70 (tip) ~/hg-test $ hg diff
diff --git a/abc b/abc
--- a/abc
+++ b/abc
@@ -1,1 +1,1 @@
-c
+c^M