On Jul 26, 2014, at 10:02 PM, Ken Hornstein <kenh(_at_)pobox(_dot_)com> wrote:
(As an aside, I see that pick does use ^foo[ \t]*: to match on a header, but my reading of RFC 5322 is that spaces are not allowed between the header name and the colon ... but I guess the old syntax did?)
The ABNF has never allowed spaces between the header "tag" (for want of a word) and the ":" (going back to RFC 822). --lyndon
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