combinediff(1) on Linux
The text 831c93b89801, as Debian 3.0 (Woody) shipped it.
create a cumulative patch from two incremental patches
Flags it lists
-
--combine -
--help -
--interpolate -
--version -
-B -
-U -
-b -
-d -
-i -
-p -
-w -
-z