W3C home > Mailing lists > Public > public-html@w3.org > October 2007

Deprecated language tags and document conformance

From: Henri Sivonen <hsivonen@iki.fi>
Date: Thu, 18 Oct 2007 15:39:54 +0300
Message-Id: <29096C1B-8141-4B8E-B60A-64ABB0991717@iki.fi>
To: HTML WG <public-html@w3.org>

I'd expect deprecated RFC 4646 language tags or subtags to render a  
document non-conforming for the purpose of overall HTML5 document  
conformance. Is my expectation correct?

On a related note, the grandfathered language tag i-default seems  
inappropriate for HTML5 lang or XHTML5 xml:lang, since these  
attributes can take the non-RFC4646 value "" to indicate that the  
natural language is unknown. Should lang='i-default' (or xml:lang='i- 
default') be taken to render the document non-conforming?

Henri Sivonen
Received on Thursday, 18 October 2007 12:40:19 UTC

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