+-B::
+ Break complete rewrite changes into pairs of delete and create.
+
+-M::
+ Detect renames.
+
+-C::
+ Detect copies as well as renames.
+
+-S<string>::
+ Look for differences that contains the change in <string>.
+
+--pickaxe-all::
+ When -S finds a change, show all the changes in that
+ changeset, not just the files that contains the change
+ in <string>.
+
+-O<orderfile>::
+ Output the patch in the order specified in the
+ <orderfile>, which has one shell glob pattern per line.
+
+-R::
+ Swap two inputs; that is, show differences from cache or
+ on-disk file to tree contents.
+