nix pointed out that the trick that allows you to cash your own promise is a weird and counter-intuitive hack. This would allow people to reclaim their own promises from the library more cleanly, and make it the default behavior, while still allowing people to override it.
-Aris --- Title: I Want My Promise Back! Adoption index: 2.2 Author: Aris Co-authors: nix Amend Rule 2618, "Promises", by inserting, after the text: The Library is an entity and CAN own promises. Any player CAN take a specified promise from the Library by announcement, provided e cashes the promise in the same message. the text: The creator of a promise CAN take or revoke it from the Library by announcement, unless the promise's text unambiguously designates it as irrevocable.