W3C home > Mailing lists > Public > public-appformats@w3.org > August 2006

Requiring specific versions of dependencies (Was: XBL in CSS)

From: Ian Hickson <ian@hixie.ch>
Date: Fri, 18 Aug 2006 01:16:06 +0000 (UTC)
To: "T.V Raman" <raman@google.com>
Cc: public-appformats@w3.org
Message-ID: <Pine.LNX.4.62.0608180109570.25313@dhalsim.dreamhost.com>

On Thu, 17 Aug 2006, T.V Raman wrote:
> Ian Hickson writes:
> > This allows all these technologies to develop in parallel, with UAs 
> > supporting the versions that the market demand pushes them to support.
> Which effectively makes interoperability impossible, since each vendor 
> will go off and support his favorite version snapshot -- and claim 
> "that's the market demand" --- and in practice everyone will try to be 
> bug-compatible with the majority market-holder. That is of course the 
> status-quo --- but if it is the status-quo -- then one needn't bother 
> with specs anyway ...

The alternative seems to be to just have the spec require a particular 
level, but I see no reason to believe that Web browser vendors would pay 
the slightest attention to such a requirement. Certainly it hasn't had any 
effect on any of the other technologies that browsers support -- they all 
support apparently arbitrary subsets of CSS, HTML, SVG, DOM, HTTP, 
Selectors, etc.

The other problem with requiring specific levels of support is that it is 
quite likely that, for shared technologies like Selectors, different 
specifications would end up requiring different levels. How would such 
conflicts be resolved?

Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'
Received on Friday, 18 August 2006 01:16:13 UTC

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