W3C home > Mailing lists > Public > public-rdf-in-xhtml-tf@w3.org > January 2009

Re: Validator for HTML5+RDFa minus CURIEs

From: Dan Brickley <danbri@danbri.org>
Date: Tue, 20 Jan 2009 12:11:07 +0100
Message-ID: <4975B14B.7010309@danbri.org>
To: Toby Inkster <tai@g5n.co.uk>
Cc: Julian Reschke <julian.reschke@gmx.de>, Manu Sporny <msporny@digitalbazaar.com>, RDFa <public-rdf-in-xhtml-tf@w3.org>

On 20/1/09 11:42, Toby Inkster wrote:
>> Another problem with having to define prefixes upfront is that it makes
>> streaming production of output really hard -- if you don't know ahead of
>> time which namespaces you'll need you will be forced to include *all* of
>> them (whatever "all" means here) in the header.
>
> That is true. It's not a problem I've had with RDFa per se, but in
> programmatically producing Atom, where the feed's<updated>  date is
> required to come before the<entry>  elements are listed. But the feed
> <updated>  date is calculated by taking the most recent of the entry
> <updated>  dates, so after writing the entries, I need to go *back* and fix
> the feed<updated>  date.
>
> I wouldn't suggest creating a situation where similar annoyances will
> occur with RDFa. This is a strong argument against requiring CURIE
> prefixes to be declared in the<head>  - the ability to declare them close
> to where they are used is very useful.

And essential for copy/paste integrity, as well as bloggability, use in 
wikis, etc.

cheers,

Dan
Received on Tuesday, 20 January 2009 11:11:47 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Tuesday, 20 January 2009 11:11:48 GMT