[racket-dev] Want to add an example to reference docs

At Sat, 29 Dec 2012 23:26:56 -0800, Danny Yoo wrote:
> I'd like to add something like the following example to the third
> paragraph of section 1.1.16 on the implications on custodian shutdown:
> 
>     https://gist.github.com/4411396
> 
> 
> Otherwise, without the example, it's easy to misinterpret the sentence:
> 
>     "If the current custodian is shut down before a procedure is
> called to create a managed resource (e.g., open-input-port, thread),
> the exn:fail:contract exception is raised."
> 
> to imply that closing a custodian with no associated resources to
> raise an exception.
> 
> 
> Alternatively, can we rephrase that sentence to the following?
> 
>     "Once the current custodian is shut down, if a procedure is called
> that attempts to create a managed resource (e.g., open-input-port,
> thread), then the exn:fail:contract is raised."

Both of those changes look good, except that I recommend "After"
instead of "Once".