On Wed, Apr 22, 2020 at 05:10:18PM +0200, Ludovic Courtès wrote: > It must be because you forgot to include (srfi srfi-34): there are two > ‘raise’ procedure, and in core Guile ‘raise’ is about signals, not error > conditions. Thanks! That did it! I pushed an updated patch. Regards, Jakub Kądziołka