From: Steve Haflich shaflich@gmail.com ... #+never #+notyet #+nomore or #+bug456

I myself have long used, e.g., #+| When bug 456 is fixed |

Peace --Devon

P.S. #+nil to unconditionally disable code would be an affront to NIL, the New Implementation of Lisp, which runs on the ancient DEC Vax VMS OS. My friend GSB was lead implementer.