Subject: bug#16357: insufficient print abbreviation in error messages

From: Mark H Weaver <[email-masked]>
Date: Thu, 23 Jun 2016 12:57:17 -0400

Andy Wingo <[email-masked]> writes:
> Or, we could use print states.  But print states are not so great and
> ideally we would remove them eventually.

We will need print states, or something like them, to support writing
cyclic data structures as required by R7RS.

     Mark