On Wed, Dec 17, 2025, at 21:51, Hannah Stern wrote: > > In body change recipes, section 5 of the draft, b: can insert base64 > encoded content (i.e. that has been removed or changed at some point). > It doesn't encode the final CRLF, but can encode intermediate CRLFs if > it encodes multiple lines. Can it be specified (or considered as if > specified) that a b: recipe is invalid if it encodes bare CR or bare LF > or other characters that are not 7-bit valid characters within an > Internet Message body?
A b recipe is invalid if it encodes any CR or LF.. You can't encode multiple lines. If you want multiple lines, each is a separate b: item. I think that's heaps better than allowing them and having the client have to interpret the output as potentially multiple lines. Bron. -- Bron Gondwana, CEO, Fastmail Pty Ltd / Fastmail US LLC [email protected]
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