makeindex(1) on Linux
The text b84f1c0d03b7, as Debian 5.0 (Lenny), Debian 4.0 (Etch) shipped it.
a general purpose, formatter-independent index processor
Flags it lists
-
-L -
-T -
-c -
-g -
-i -
-l -
-q -
-r -
-s -
-t