Support for Translating Other Languages

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Emacs Lisp Support

Scheme Procedure: nil-car x

C Function: scm_nil_car (x)

Return the car of x, but convert it to LISP nil if it is Scheme's end-of-list.

Scheme Procedure: nil-cdr x

C Function: scm_nil_cdr (x)

Return the cdr of x, but convert it to LISP nil if it is Scheme's end-of-list.

Scheme Procedure: nil-cons x y

C Function: scm_nil_cons (x, y)

Create a new cons cell with x as the car and y as the cdr, but convert y to Scheme's end-of-list if it is a Lisp nil.

Scheme Procedure: nil-eq x y

Compare x and y and return Lisp's t if they are eq?, return Lisp's nil otherwise.

Scheme Procedure: null x

C Function: scm_null (x)

Return Lisp's t if x is nil in the LISP sense, return Lisp's nil otherwise.

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