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LABEL

This implements the LABEL construct of Lisp 1.5, permitting inline 
specification of recursive functions.
  (LABEL name args . forms)
can be used inline in place of an open lambda.  The difference is
that forms may contain (lexically, not hidden under a macro) forms that
look like calls to a function name (e.g. (name a b)).  These
calls will apply (recursively) the function specified by the LABEL.

Currently this is implemented by binding name as a variable with value
the lambda expression (LAMBDA args . forms), except that (name a b) forms
are converted to (APPLY* name a b) and (FUNCTION name) forms are converted to
just name.

LABEL requires and will load the LAMBDATRAN package.

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Comments to Larry Masinter (or Ron Kaplan)