Hi Bob > On 7 Feb 2025, at 3:28 AM, Bob Sneidar via use-livecode <use-livecode at lists.runrev.com> wrote: > > I don’t see any of those characters on base64encoded strings. They definitely can be int there. Se RFC 4648 section 4 and 5 encoding tables for reference. https://datatracker.ietf.org/doc/html/rfc4648#section-5 Cheers Monte