itstool(1) on Linux
The text 06ad961efe4d, as Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
convert between XML and PO using ITS
Flags it lists
-
--its -
--keep-entities -
--lang -
--load-dtd -
--no-builtins -
--out -
--strict -
-d -
-i -
-k -
-l -
-n -
-o -
-s