Appendix B. Imported ABNF

The following core rules are included by reference, as defined in Appendix B.1 of [RFC5234]: ALPHA (letters), CR (carriage return), CRLF (CR LF), CTL (controls), DIGIT (decimal 0-9), DQUOTE (double quote), HEXDIG (hexadecimal 0-9/A-F/a-f), LF (line feed), OCTET (any 8-bit sequence of data), SP (space), and VCHAR (any visible US-ASCII character).

The rules below are defined in [RFC7230]:

OWS           = <OWS, see [RFC7230], Section 3.2.3>
field-name    = <field-name, see [RFC7230], Section 3.2>
quoted-string = <quoted-string, see [RFC7230], Section 3.2.6>
token         = <token, see [RFC7230], Section 3.2.6>

port          = <port, see [RFC7230], Section 2.7>
pseudonym     = <pseudonym, see [RFC7230], Section 5.7.1>
uri-host      = <uri-host, see [RFC7230], Section 2.7>

The rules below are defined in other parts:

HTTP-date     = <HTTP-date, see [RFC7231], Section 7.1.1.1>