Re: #532 IESG ballot on draft-ietf-httpbis-p2-semantics-25, reason phrase optional? from Amos Jeffries on 2014-01-04 (ietf-http-wg@w3.org from January to March 2014)

From: Amos Jeffries <squid3@treenet.co.nz>
Date: Sun, 05 Jan 2014 00:17:10 +1300
To: ietf-http-wg@w3.org
Message-ID: <52C7EDB6.1000302@treenet.co.nz>

On 4/01/2014 11:56 p.m., Julian Reschke wrote:
> Sean Turner asks:
> 
>> s6.1: Is it worth mentioning that the reason-phrase can also be not
>> sent? I think that's elsewhere but it might be worth mentioning again.
> 
> AFAIU, the reason phrase is not optional, but it can be empty. Consider
> the ABNF in
> <http://greenbytes.de/tech/webdav/draft-ietf-httpbis-p1-messaging-25.html#status.line>:
> 
> 
>   status-line = HTTP-version SP status-code SP reason-phrase CRLF
>   reason-phrase  = *( HTAB / SP / VCHAR / obs-text )

And by that ABNF definition it can also consist of nothing but a series
of whitespace following an initial SP delimiter.

Amos

Received on Saturday, 4 January 2014 11:17:46 UTC