Michael Thomas wrote:
if this is the only ABNF goof we'd be doing pretty well.
Yes. And actually I didn't claim that my proposed fix
addresses the problem of the OP. I only don't like lines
containing only trailing white (no visible character), if
their semantics differs from empty lines:
It's too easy to lose all trailing white space with a text
editor. [FWS] avoids this potential trap, LWSP doesn't.
Of course that's more important in RFCs like 2822, USEFOR,
or maybe 2831bis, for DKIM it's less relevant. Ignoring
folks using a text editor to create their records, _and_
trying to add "apparently empty" lines for obscure reasons.
Frank
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