STAPLE
A programming language written at Manchester (University?) and used at ICL in the early 1970s for writing the test suites. STAPLE was based on Algol 68 and had a very advanced optimising compiler.
Staple
St Andrews Applicative Persistent Language. Language combining functional programming with persistent storage, developed at St. Andrews University in Scotland. Tony Davie, <ad@cs.st-andrews.ac.uk>.