Pop-11 definition language A programming language created by
Robin Popplestone in 1975, originally for the PDP-11 . Pop-11 is
stack-oriented , extensible, and efficient like FORTH . It is
also functional , dynamically typed , with garbage collection ,
and the syntax is block structured ["Programming in POP-11", J.
Laventhol , Blackwell 1987]. AlphaPop is an implementation for
the Macintosh from Computable Functions Inc. PopTalk and POPLOG
from the University of Sussex are available for VAX/VMS and most
workstations. E-mail: Robin Popplestone