I've just published draft #3 of SRFI 145.  It was submitted
by Marc Nieper-Wißkirchen, author of the SRFI.  Note that it
has been renamed.

<http://srfi.schemers.org/srfi-145/>

Here's the diff:

<https://github.com/scheme-requests-for-implementation/srfi-145/pull/2/files>

Here are Marc's notes about this draft:

- removed assume-type and fatal-error from specification

Regards,

SRFI Editor