Work Flow Language. Burroughs, ca 1973. A job control language for the B6700/B7700 under MCP. WFL was a compiled block-structured language similar to ALGOL 60, with subroutines and nested begin-end's.
["Work Flow Management User's Guide", Burroughs Manual 5000714, 1973].
["Burroughs B6700/B7700 Work Flow Language", R.M. Cowan in "Command Languages", C. Unger ed, N-H 1975].