A very high level language by Per Bothner based on lazy generalised sequences.Q has lexical scope, and some support for logic programming[?] and constraint programming.The language includes small subsets of {Common Lisp} and {Scheme}.Q was a test-bed for programming language ideas.Where APL uses arrays for looping, Q uses generalised sequences which may be infinite and may be stored or calculated on demand.It has macros, primitives to run programs, and an interactive command language.Q is implemented in C++, and comes with an interpreter, compiler framework, libraries, and documentation.It runs on Linux and SUN-4 and should work on any 32-bit Unix.Latest version: 1, as of 1993-06-07.Development stopped in 1994.Start .E-mail: Per Bothner .(2000-05-22)