Signed-off-by: Kristoffer Haugsbakk <code@khaugsbakk.name>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
as a key to index some meta-information about the change between
the two trees.
-- Result is different from the value produced by Git 1.9 and older
+- The result is different from the value produced by Git 1.9 and older
or produced when an "unstable" hash (see `--unstable` below) is
configured - even when used on a diff output taken without any use
of `-O<orderfile>`, thereby making existing databases storing such