look for renames? (--find-renames)

consider old side of modified for renames? (--break-rewrites=N)

look for copies? (a la --find-copies)

consider unmodified as copy sources? (--find-copies-harder)

split large rewrites into delete/add pairs (--break-rewrites=/M)

turn on all finding features

measure similarity ignoring leading whitespace (default)

measure similarity ignoring all whitespace

measure similarity including all data