The reason is that I have to wrap Chez's evaluator as it doesn't
support delimited continuations natively. Please take a look at the
definition of the test macro, which does the wrapping.

Does it help?

Am So., 6. Nov. 2022 um 06:10 Uhr schrieb Shiro Kawai <xxxxxx@gmail.com>:
>
> I'm missing something trivial, but how can I try the reference implementation on REPL?  I get this (I'm in srfi-226 directory):
>
> $ chezscheme --libdirs lib
> Chez Scheme Version 9.5
> Copyright 1984-2017 Cisco Systems, Inc.
>
> > (import (except (rnrs (6)) display) (control-features))
> > (call-with-continuation-prompt (lambda () (display 'foo)))
> Exception in dynamic-environment-marks: #f is not of type #<record type dynamic-environment>
> Type (debug) to enter the debugger.
>
> I can run scripts, e.g. chezscheme --libdirs lib ./tests.sqs
>
> --shiro
>