NEW
Header fields are lines beginning with a field name, followed by a
colon (":"), followed by a field body, and terminated by CRLF. A
field name MUST be composed of printable US-ASCII characters (i.e.,
characters that have values between 33 and 126, inclusive), except
colon. In all cases, field names are interpreted as case-insensitive
strings, so that, for example, "Subject", "SUBJECT", and "SuBjEcT"
are considered to be the same field name.
Seems reasonable. While we're picking nits, RFC 3864 says you can't register a
field with a dot in it, might be worth a mention.
Also, according to the spec, #)*%;' is a valid field name, although I observe
that every name in the field name registries is LDH. Would it be worth a note
saying that LDH names are likely to interoperate better?
Regards,
John Levine, johnl(_at_)iecc(_dot_)com, Primary Perpetrator of "The Internet for
Dummies",
Please consider the environment before reading this e-mail. https://jl.ly
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