/[guile]/guile/guile-core/doc/ref/scheme-translation.texi
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revision 1.1.2.1 by ossau, Fri Aug 24 11:58:36 2001 UTC revision 1.1.2.2 by ttn, Tue Jan 8 09:22:37 2002 UTC
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13  @section Emacs Lisp Support  @section Emacs Lisp Support
14    
15  @deffn primitive nil-car x  @deffn primitive nil-car x
16  Return the car of @var{x}, but convert it to LISP nil if it  Return the car of @var{x}, but convert it to Lisp nil if it
17  is Scheme's end-of-list.  is Scheme's end-of-list.
18  @end deffn  @end deffn
19    
20  @deffn primitive nil-cdr x  @deffn primitive nil-cdr x
21  Return the cdr of @var{x}, but convert it to LISP nil if it  Return the cdr of @var{x}, but convert it to Lisp nil if it
22  is Scheme's end-of-list.  is Scheme's end-of-list.
23  @end deffn  @end deffn
24    
25  @deffn primitive nil-cons x y  @deffn primitive nil-cons x y
26  Create a new cons cell with @var{x} as the car and @var{y} as  Create a new cons cell with @var{x} as the car and @var{y} as
27  the cdr, but convert @var{y} to Scheme's end-of-list if it is  the cdr, but convert @var{y} to Scheme's end-of-list if it is
28  a LISP nil.  a Lisp nil.
29  @end deffn  @end deffn
30    
31  @deffn primitive nil-eq x y  @deffn primitive nil-eq x y
32  Compare @var{x} and @var{y} and return LISP's t if they are  Compare @var{x} and @var{y} and return Lisp's t if they are
33  @code{eq?}, return LISP's nil otherwise.  @code{eq?}, return Lisp's nil otherwise.
34  @end deffn  @end deffn
35    
36  @deffn primitive null x  @deffn primitive null x
37  Return LISP's @code{t} if @var{x} is nil in the LISP sense,  Return Lisp's @code{t} if @var{x} is nil in the Lisp sense,
38  return LISP's nil otherwise.  return Lisp's nil otherwise.
39  @end deffn  @end deffn
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