perm filename SOURC2[1,JMC] blob sn#005261 filedate 1970-09-02 generic text, type T, neo UTF8
NIL 


(DEFPROP ALT 
 (LAMBDA (X) (COND ((OR (NULL X) (NULL (CDR X))) X) (T (CONS (CAR X) (ALT (CDDR X)))))) 
EXPR)

NIL