[NNTP] Re: Updated news-nntp-uri I-D
chl at clerew.man.ac.uk
Tue Nov 27 07:10:07 PST 2007
In <20071126165906.GI19446 at finch-staff-1.thus.net> "Clive D.W. Feather" <clive at demon.net> writes:
>Charles Lindsey said:
>>> 4. Syntax of 'news' URIs
>> No! Please do not attempt to write (yet another) full syntax for msg-ids
>> here. We have already done that once in [USEFOR] (ugly but necessary).
>In any case, there is a further problem that RFC 3977 is much more generous
>in what it allows:
> message-id = "<" 1*248A-NOTGT ">"
> A-NOTGT = %x21-3D / %x3F-7E ; exclude ">"
OK, we have essentially two possibilities:
1. restrict it to the USEFORE msgid syntax
2. allow the wider RFC 3977 syntax
The point I was making was that if we went for #1, as Franks draft
proposes, then we should use the syntax given in USEFOR normatively,
rather than inventing yet-another-version-of-it.
But #2 is also a reasonable possibility, though it needs the '@' to be
specified, as you say, and one would need to watch the syntax of URLs, and
to use %-encoding where needed. In that case, you suggested syntax looks
As to whether we should do #2, people should express opinions. I think I
marginally prefer to remain with #1 (since it is the news: URL where this
will be used, rather than the nntp: one).
>I can see that this leads to an ambiguity when there is no at sign in the
>message-ID. Therefore I suggest:
> article = 1*mid-char "@" 1*mid-char
> mid-char = unreserved / pct-encoded / sub-delims / "@" / "/"
> unreserved = <defined in RFC 3986 section 2.3>
> pct-encoded = <defined in RFC 3986 section 2.2>
> sub-delims = <defined in RFC 3986 section 2.1>
>>> The form identifying <newsgroups> corresponds to the [RFC3977]
>>> <wildmat-pattern>, a newsgroup name with wildcards "*" and "?". Any
>>> "?" has to be be percent-encoded as "%3F" in this part of an URI.
>>> Examples, the first two are equivalent:
>> I disagree entirely with your use of <wildmat-pattern> here, when
>> <wildmat> would do perfectly well.
Noted. Now try to persuade Frank :-)
Charles H. Lindsey ---------At Home, doing my own thing------------------------
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