Header field name rules are in RFC 5322. That deals with case sensitivity
for field name strings. Section 1.2.2 provides the basis for knowing whether
a defined string is to be parsed in a case sensitive or insensitive manner.
That's right, and all of the fields defined in 5322 have case insensitive
names, but as far as I can tell, I could define a header like this:
pickle-header = %d184.108.40.206.108.101 ":" CFWS ( "dill" / "garlic" /
So this is a pickle-header
but this is not:
I'm not saying any sensible person would do that, but as far as I can
tell, that's what the spec says.
John Levine, johnl(_at_)iecc(_dot_)com, Primary Perpetrator of "The Internet for
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