msc(1) on Linux
The text 27b841aee564, as Debian 3.0 (Woody) shipped it.
message sequence chart generator
Flags it lists
-
--commentwidth -
--help -
--messagewidth -
--pagebreak -
--swapstyles -
--taskwidth -
--version -
-c -
-h -
-m -
-p -
-s -
-t -
-v