sdiff(1) on FreeBSD

The text 041af5515c87, as FreeBSD 4.11-RELEASE, FreeBSD 4.10-RELEASE, FreeBSD 4.9-RELEASE, FreeBSD 4.8-RELEASE shipped it.

find differences between two files and merge interactively

Flags it lists

--expand-tabs
--ignore-all-space
--ignore-blank-lines
--ignore-case
--ignore-matching-lines
--ignore-space-change
--left-column
--minimal
--output
--speed-large-files
--suppress-common-lines
--text
--version
--width
-B
-H
-I
-W
-a
-b
-d
-i
-l
-o
-s
-t
-v
-w

sdiff(1) on FreeBSD now