Re: [VCARDDAV] AD review of draft-ietf-vcarddav-carddav-07.txt

Julian Reschke <julian.reschke@gmx.de> Mon, 17 August 2009 11:47 UTC

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Date: Mon, 17 Aug 2009 13:47:06 +0200
From: Julian Reschke <julian.reschke@gmx.de>
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To: Alexey Melnikov <alexey.melnikov@isode.com>
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Cc: CardDAV <vcarddav@ietf.org>
Subject: Re: [VCARDDAV] AD review of draft-ietf-vcarddav-carddav-07.txt
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Alexey Melnikov wrote:
> ...
> [...]
> 
>   5.  Well-defined internationalization support through standard HTTP.
> 
> This is a bit misleading, because this is or isn't true depending
> on which HTTP feature you mean here.
> ...

I think it's generally not true, unless we talk about payloads.

So I think the I18N support is due to XML and WebDAV's use of it.

>  ...
> 6.2.1.  CARDDAV:addressbook-description Property
> 
>   Name:  addressbook-description
> 
>   Namespace:  urn:ietf:params:xml:ns:carddav
> 
>   Purpose:  Provides a human-readable description of the address book
>      collection.
> 
> BCP 18 (RFC 2277), section 4.2 applies to elements carrying human 
> readable text.
> Any human readable text needs to be [optionally] accompanied by RFC 4646 
> language tags.
> 
> You even use of xml:lang in your example later in this section. However 
> the definition doesn't allow for this attribute:
> 
>   Definition:
> 
>       <!ELEMENT addressbook-description (#PCDATA)>
>       <!-- PCDATA value: string -->
 > ...

The DTDs are incomplete; see for instance 
<http://greenbytes.de/tech/webdav/draft-ietf-vcarddav-carddav-07.html#rfc.section.2.p.3>.

xml:lang is explicitly mentioned in RFC 4918, see 
<http://greenbytes.de/tech/webdav/rfc4918.html#rfc.section.4.3.p.3>.

BR, Julian