Appendix A. Collected ABNF

In the collected ABNF below, list rules are expanded as per Section 5.6.1 of [HTTP].

Age = delta-seconds

Cache-Control = [ cache-directive *( OWS "," OWS cache-directive ) ]

Expires = HTTP-date

HTTP-date = `<HTTP-date, see [HTTP], Section 5.6.7>`

OWS = `<OWS, see [HTTP], Section 5.6.3>`

cache-directive = token [ "=" ( token / quoted-string ) ]

delta-seconds = 1*DIGIT

field-name = `<field-name, see [HTTP], Section 5.1>`

quoted-string = `<quoted-string, see [HTTP], Section 5.6.4>`

token = `<token, see [HTTP], Section 5.6.2>`