sdiff(1) on OpenBSD
The text e842d1bf0cb0, as OpenBSD 7.6, OpenBSD 7.5, OpenBSD 7.4, OpenBSD 7.3, OpenBSD 7.2 shipped it.
side-by-side diff
Flags it lists
-
-I -
-W -
-a -
-b -
-d -
-i -
-l -
-o -
-s -
-t -
-w