Apropos

*print-gensym*Variable

    Value Type

    a generalized boolean.

    Initial Value

    true.

    Description

    Controls whether the prefix “#:” is printed before apparently uninterned symbols. The prefix is printed before such symbols if and only if the value of *print-gensym* is true.

    Examples
     (let ((*print-gensym* nil)) 
       (print (gensym))) 
     G6040 
     #:G6040
    See Also

    write, *print-escape*