Subject: [Sip] Mistake in PRES-URI BNF

From: "Tamar Barzuza" <[email-masked]>
Date: Mon, 29 Nov 2004 14:09:07 +0200

> Hi,
> 
> I found a problem in the BNF of PRES-URI.
> 
> RFC 2396 defined the generic syntax of URI. It explicitly says that the following (delims) characters are disallowed within URI:
> delims= "<" | ">" | "#" | "%" | <"> 
> 
> However, in RFCs 3859 and 2822 the definition for PRES-URI is:
> 	PRES URI = "pres:" [ to ] [ headers ] 
> 	to = mailbox 
> 	mailbox = name-addr / addr-spec 
> 	name-addr = [display-name] angle-addr 
> 	angle-addr = [CFWS] "<" addr-spec ">" [CFWS] / obs-angle-addr 
> 	addr-spec = local-part "@" domain 
> 	display-name = phrase 
> Which means that pres addresses can look like pres:"name"<user@host>, hence may contain " and <>.
> 
> Therefore I believe that the PRES-URI BNF is mistaken. 
> 
> Thanks,
> Tamar.
> 

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