Environments support in Allegro Common Lisp1.0 Environments introduction An environment in Common Lisp is a Lisp object that contains, in some fashion, a set of bindings and also information about operators, variables, symbols, and so on. This information can be useful in various ways, particularly during evaluation, compilation and macro expansion. The macroexpand operator takes an optional environment argument, whose value is either nil
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Metadata and Semantic Technologies Series
Date-time (ISO 8601) support in Allegro CL
