pre-HTML5 and the BOM

From: Leif Halvard Silli <>
Date: Thu, 12 Jul 2012 17:12:20 +0200

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

Thus there is nothing special with regard to the UTF-8 BOM and

Leif H Silli
Received on Thu Jul 12 2012 - 10:15:05 CDT

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