Strange. I'm just asking the Lisp system: CL-USER 1 > (class-of *standard-output*) #<STANDARD-CLASS EDITOR::RUBBER-STREAM 40E035A2E3> Oh, the class of

Strange. I'm just asking the Lisp system: CL-USER 1 > (class-of *standard-output*) #<STANDARD-CLASS EDITOR::RUBBER-STREAM 40E035A2E3> Oh, the class of the value of *standard-output* is EDITOR:RUBBER-STREAM... From there I can find the source, find the applicable methods, the slots, the super classes...