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>>>>> "Will" == Will Fitzgerald <fitzgerald@xxxxxxxxxxxx> writes: Will> May I suggest the following addition to the SRFI-1 list library, Common Lisp's Will> LDIFF: Will> I think a reasonable definition is: Will> (define (ldiff l subl) Will> (cond Will> ((null? l) '()) Will> ((eq? (cdr l) subl) (list (car l))) Will> (else (cons (car l) Will> (ldiff (cdr l) subl))))) Reasonable. Only, LDIFF is a terrible name. Why not LIST-DIFFERENCE? (From CltL2: 'ldiff (meaning "list difference" [...]'. I wonder why the CL folks never say what they mean.) Could you suggest possible uses for this procedure? -- Cheers =8-} Mike Friede, Völkerverständigung und überhaupt blabla