Re: [apps-discuss] The acct: scheme definition -- draft-saintandre-acct-uri

"Martin J. Dürst" <duerst@it.aoyama.ac.jp> Tue, 03 July 2012 03:57 UTC

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Date: Tue, 03 Jul 2012 12:57:49 +0900
From: "\"Martin J. Dürst\"" <duerst@it.aoyama.ac.jp>
Organization: Aoyama Gakuin University
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To: Peter Saint-Andre <stpeter@stpeter.im>
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Cc: Barry Leiba <barryleiba@computer.org>, Graham Klyne <GK@ninebynine.org>, apps-discuss@ietf.org
Subject: Re: [apps-discuss] The acct: scheme definition -- draft-saintandre-acct-uri
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On 2012/07/03 1:16, Peter Saint-Andre wrote:

> I would prefer to borrow the definition from RFC 3986 here, not tie this
> spec to SMTP or mailto definitions.
>
> Thus:
>
>     The 'acct' URI syntax is defined here in Augmented Backus-Naur Form
>     (ABNF) [RFC5234], borrowing the 'unreserved' and 'pct-encoded' rules
>     from that specification and the 'host' rule from [RFC3986]:
>
>     acctURI      =  "acct:" userpart "@" host
>     userpart     =  1*( unreserved / pct-encoded )
>
> We could even borrow the 'userinfo' rule from RFC 3986:
>
>     userinfo    = *( unreserved / pct-encoded / sub-delims / ":" )
>
> I think there's good reason to exclude the user:password format in
> userinfo, as mentioned in RFC 3986. But what about sub-delims? Perhaps
> this is more appropriate:
>
>     userpart    = 1*( unreserved / pct-encoded / sub-delims )

Fully agreed.    Regards,   Martin.