-n, --dry-run perform a trial run with no changes made
-W, --whole-file copy files whole (w/o delta-xfer algorithm)
-x, --one-file-system don't cross filesystem boundaries
-@@ -1043,6 +1044,15 @@ NOTE: Don't use this option when the destination is a Solaris "tmpfs"
+@@ -1049,6 +1050,15 @@ NOTE: Don't use this option when the destination is a Solaris "tmpfs"
filesystem. It doesn't seem to handle seeks over null regions
correctly and ends up corrupting the files.