*print-gensym*
true.
22.1.6 49Controls 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.
(let ((*print-gensym* nil))
(print (gensym)))
⊳ G6040
→ #:G6040
None.
None.