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Re: [author-guide] Character Entity References Chart

From: Jirka Kosek <jirka@kosek.cz>
Date: Tue, 22 Jul 2008 10:39:14 +0200
Message-ID: <48859CB2.30000@kosek.cz>
To: Henri Sivonen <hsivonen@iki.fi>
CC: Karl Dubost <karl@w3.org>, Lachlan Hunt <lachlan.hunt@lachy.id.au>, public-html WG <public-html@w3.org>
Henri Sivonen wrote:
> On Jul 22, 2008, at 03:45, Karl Dubost wrote:
>>> Without an official DTD, no other references can be reliably used in 
>>> XHTML 5.  Even if you provide your own custom DTD and DOCTYPE, most 
>>> browsers don't use validating parsers and so won't be able to 
>>> dereference the entity references.
>> That is a false assumption. Browsers *can*, if they implement it, 
>> deference the *named* entity references.
> Implementing it is not feasible.
>  * It would cause a massive DDoS attack on www.w3.org.
>  * It would make www.w3.org a single point of failure for the Web.
>  * It would be bad for XML parsing performance.
>  * It would break compatibility with existing content (IIRC MIT 
> courseware, for example) that refers to a DTD that is not 
> namespace-well-formed (i.e. has colons in PI targets).
>  * New documents authored with the assumption that DTDs get fetched 
> would break very ungracefully in existing Gecko and WebKit instances.

Not that I'm fan of DTDs, but you can solve those problems by using XML 


Each browser then will have local copies of well known DTDs and will 
fetch only custom created ones.


   Jirka Kosek      e-mail: jirka@kosek.cz      http://xmlguru.cz
        Professional XML consulting and training services
   DocBook customization, custom XSLT/XSL-FO document processing
  OASIS DocBook TC member, W3C Invited Expert, ISO JTC1/SC34 member

Received on Tuesday, 22 July 2008 08:40:03 UTC

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