W3C home > Mailing lists > Public > whatwg@whatwg.org > December 2006

[whatwg] microformats incompatible with WebApps 1.0 ?

From: Henri Sivonen <hsivonen@iki.fi>
Date: Tue, 12 Dec 2006 23:04:58 +0200
Message-ID: <E9CC703A-7E3B-4D26-A43F-56215957F2EB@iki.fi>
On Dec 11, 2006, at 23:42, James Graham wrote:

> Those people who really are just using class names as site-specific  
> style hooks must face the possibility that someone will register  
> their "opaque" classname with some unexpected semantics or  
> restrictions on its use and, suddenly, find their previously  
> conformant documents rendered non-conformant

That depends on how conformance is defined.

> and open to misinterpretation by any UA which happens to implement  
> some feature based that classname.

On the face of it, it seems to me that problem can be mitigated to an  
acceptable level by keeping microformats sufficiently complex. How  
likely is it that a class name constellation that looks like a hCard  
or a hCalendar appears on a Web page accidentally *and* processing it  
as a hCard or as a hCalendar (respectively) would cause harm? I think  
duck typing can go a long way here.

-- 
Henri Sivonen
hsivonen at iki.fi
http://hsivonen.iki.fi/
Received on Tuesday, 12 December 2006 13:04:58 UTC

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