Re: quoted-pair in dcontent / Space after colon (Was: New 2822upd-04 - obs-NO-WS-CTL)
Tony Hansen <[email protected]>
| Newsgroups | gmane.ietf.rfc822 |
|---|---|
| Message-ID | <[email protected]> |
Pete Resnick wrote: > > I'm separating out these two issues, as I want to hear yeas and nays > (and explanations) from people other than Charles and Frank. > ... > > So, there are two forms to this request: > > 1. Remove quoted-pair entirely from dcontent in the generate syntax > (meaning "[", "]", and "\" may never appear in dcontent). > 2. Only allow the quoted-pairs "\[", "\]", and "\\" in dcontent in the > generate syntax. > > Of course, quoted-pair would be in the obs- (interpret) syntax. +1 for #1. I agree with removing these from the generate syntax. I see no need for us to ever generate them in a domain address literal. > [On space after the ":"...] > > [Charles originally wanted:] >>>> Although in all header fields the CFWS following the colon is >>>> optional, it is customary to place at least one SP there; moreover >>>> such a SP is mandatory in some related protocols (notably >>>> [NETNEWS]). In order to facilitate interoperability with such >>>> related protocols, that SP SHOULD normally be present. > > [Frank suggested:] >>> Although all message header fields allow either [FWS] or [CFWS] after >>> the colon, it is customary to place at least one white space >>> character after the colon. In NetNews articles [RFC xxxx] it's >>> mandatory to use a space character after the colon, and in order to >>> faciliate interoperability implementors might wish to separate the >>> header field name plus colon from the header field body by a space in >>> all Internet messages. >> >> But if we can agree that a wording of some form along the lines of >> what I and Frank are suggesting, then the exact wording can be worked >> on by further discussion. As I said, either wording is netter than >> nothing. > > My personal feeling on this is again it is not necessary, and that a > gateway should be dealing with this anyway. But if people want text, I > would be OK with a non-normative note in either 2.2 or 3.6. (Anything > with a SHOULD I will make a stink over.) As editor, I'd want specific > text agreed to and instructions on where to put it. -1 Requiring a SP character after the : is a non-starter for me. I've used a number of systems that use TAB instead of SP; they're still out there and should not be considered invalid. Tony Hansen [email protected]