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LLOGO no longer needs to define NTH and SYMBOLP.
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@ -130,8 +130,6 @@
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;;; TYPE CHECKING FUNCTIONS.
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(DECLARE (MACROS NIL))
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(DEFUN SYMBOLP (X) (AND (EQ (TYPEP X) 'SYMBOL) X))
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(DEFUN VARIABLEP (CHECKER VAR)
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;;USED BY EDIT, LIST TO DECIDE LEGALITY OF VARIABLE NAME.
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@ -580,11 +580,6 @@
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((CDR X))))
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(DEFINE LAST (PARSE (PARSE-SUBSTITUTE 'LOGO-LAST)))
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(DEFINE NTH (POSITION LIST)
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;;THE CLASSIC NTH FUNCTION. FINDS THE NTH ELEMENT IN A LIST. INSERT ERROR
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;;CHECKING -- BAD POSITION NUMBER, TOO SHORT LIST, ETC.
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(DO NIL ((= POSITION 1.) (CAR LIST)) (POP LIST) (DECREMENT POSITION)))
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(DEFINE LOGO-LAST (ABB LA) (UNPARSE (UNPARSE-SUBSTITUTE 'LAST)) (X)
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(COND ((EMPTYP X)
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