Re: [MacCafé] Version 3.03 is available

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Sujet : Re: [MacCafé] Version 3.03 is available
De : michael.baeuerle (at) *nospam* gmx.net (Michael Bäuerle)
Groupes : news.software.readers
Date : 20. Oct 2024, 18:47:48
Autres entêtes
Message-ID : <AABnFTQ0bBAAAAuN.A3.flnews@WStation7.micha.freeshell.org>
References : 1
User-Agent : flnews/1.3.0pre13 (for GNU/Linux)
DV wrote:
 
[...]
MacCafé, newsreader for macOS, has been updated to version 3.03. It can
be downloaded from the website address given in my signature.
[...]

Just a side note for the optional header field "User-Agent":
|
| User-Agent: MacCafe/3.03/blue mountain (macOS 10.14.6 (18G9323) - iMac13,1)
                          ^^^^^^^^^^^^^^
The marked part looks like a syntax error.

Syntax-Definition from RFC 5536:
<https://datatracker.ietf.org/doc/html/rfc5536#section-3.2.13>
|
|    user-agent      =  "User-Agent:" SP 1*product [CFWS] CRLF
|    product         =  [CFWS] token [ [CFWS] "/" product-version ]
|    product-version =  [CFWS] token

For <token> RFC 5536 uses a reference to RFC 2045:
<https://datatracker.ietf.org/doc/html/rfc2045#section-5.1>
|
|    token     :=  1*<any (US-ASCII) CHAR except SPACE, CTLs,
|                  or tspecials>
|    tspecials :=  "(" / ")" / "<" / ">" / "@" /
|                  "," / ";" / ":" / "\" / <">
|                  "/" / "[" / "]" / "?" / "="
|                  ; Must be in quoted-string,
|                  ; to use within parameter values

A parser should detect "MacCafe" as first <product> and "3.03" as
the associated <product-version>.

The second "/" would be allowed after a second <token> for a second
<product>, but not as additional <product-version> for the first
<product>.

Interpretation of "3.03/blue mountain" as <product-version> is not
allowed because "/" cannot be part of <token>.

Date Sujet#  Auteur
20 Oct 24 * [MacCafé] Version 3.03 is available7DV
20 Oct 24 +* Re: [MacCafé] Version 3.03 is available2Michael Bäuerle
20 Oct 24 i`- Re: [MacCafé] Version 3.03 is available1DV
21 Oct 24 `* Re: [MacCafé] Version 3.03 is available4Alan B
21 Oct 24  `* Re: [MacCafé] Version 3.03 is available3Carlo XYZ
21 Oct 24   +- Re: [MacCafé] Version 3.03 is available1DV
25 Nov 24   `- Re: [MacCafé] Version 3.03 is available1Schlomo Goldberg

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