[whatwg] <time>

Jim O'Donnell jim at eatyourgreens.org.uk
Sat Mar 14 04:27:23 PDT 2009

On 13 Mar 2009, at 10:33, Mikko Rantalainen wrote:

>>> This is already a solved problem in the Text Encoding Intiative   
>>> (TEI).
>>> The value of a date/time is encoded in the Gregorian calendar,   
>>> using
>>> ISO8601. The calendar attribute is used to indicate the  calendar of
>>> the original, written date enclosed in the tags.
> I'm not sure why the original calendar would need to be indicated  
> in the
> 'calendar' attribute. It does not matter for the 'value' or  
> software in
> general, if I've understood correctly. If the 'value' is always in
> Proleptic Gregorian calendar, it's all the software needs to know.

Hello, the usual use of TEI is encoding historical papers for digital  
preservation eg. digitising large archives of correspondence or  
literature. The calendar attribute exists to preserve semantic  
information in the digital version of a paper document. I was  
interested to know whether there was value in preserving such  
information in HTML also, since digital versions of historic  
documents are published on the web as HTML.

I understand, though, that HTML should not become a grab bag of  
features from other SGML or XML vocabularies so I wouldn't push for a  
calendar attribute on <time> if it isn't generally useful or if I'm  
the only person that wants it.


Jim O'Donnell
jim at eatyourgreens.org.uk

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