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Re: HTML5 and Unicode Normalization Form C

From: Michael[tm] Smith <mike@w3.org>
Date: Fri, 27 May 2011 01:46:13 +0900
To: www-validator@w3.org
Message-ID: <20110526164612.GB230@sideshowbarker>
Andreas Prilop <aprilop@freenet.de>, 2011-05-26 17:41 +0200:

> Validating
>  http://www.user.uni-hannover.de/nhtcapri/temp/yerushalayim.html
> results in error
>  Text run is not in Unicode Normalization Form C.
> 
> Is Unicode Normalization Form C actually required by HTML5
> or is this a validator bug?

It's not a validator bug, it's a feature -- in that it's intentional
behavior in the validator, and it's an attempt to provide you with
information about what could be seen as a potential portability problem in
your document. That said, if you're aware if it and you don't consider it a
real problem, you can ignore the error.

As far as whether Unicode Normalization Form C is actually required by
HTML5: the HTML5 spec does not directly state a requirement on Unicode
Normalization Form C, but I think that requirement is implicit in some
direct requirement that the spec does explicitly. I can't right now point
you to what the actual requirement is (because I don't know myself), but
I'll find out and post a follow-up message.

  --Mike

-- 
Michael[tm] Smith
http://people.w3.org/mike
Received on Thursday, 26 May 2011 16:46:22 GMT

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