Re: pre-HTML5 and the BOM

From: Martin J. Dürst <>
Date: Fri, 13 Jul 2012 18:17:05 +0900

On 2012/07/13 0:12, Leif Halvard Silli wrote:
> Doug Ewell, Wed, 11 Jul 2012 09:12:46 -0600:
>> and people who want to create or modify UTF-8 files which will
>> be consumed by a process that is intolerant of the signature
>> should not use Notepad. That goes for HTML (pre-5) pages [snip]
> HTML5-parsers MUST support UTF-8. They do not need to support any other
> encoding. Pre-HTML5-parsers are not required to support the UTF-8
> encoding - or any other particular encoding.

Up to here, that's indeed what the spec says, except for XHTML, which is
XML and therefore includes UTF-8 (and UTF-16) support, but my guess is
that you didn't include this.

> But when they do support
> the UTF-8 encoding, they are, however, not permitted to be 'intolerant'
> of the BOM.

Where does it say so?

Regards, Martin.

> Thus there is nothing special with regard to the UTF-8 BOM and
> pre-HTML5 HTML.
Received on Fri Jul 13 2012 - 04:18:37 CDT

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