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Re: request for comments HTML WG comments to MathML WG

From: Philip Taylor <pjt47@cam.ac.uk>
Date: Thu, 05 Nov 2009 08:46:19 +0000
Message-ID: <4AF290DB.7020800@cam.ac.uk>
To: Shelley Powers <shelley.just@gmail.com>
CC: HTMLWG WG <public-html@w3.org>
Shelley Powers wrote:
> [...]
> Lastly, just an FYI for this section: the closing math element tag
> isn't mandatory with HTML; the appearance of any element in the HTML
> namespace will trigger an end to the Math markup.

It is mandatory, in the sense that it is a conformance error if you 
don't have the </math> tag. (It's required because 
http://whatwg.org/html5#optional-tags does not say it's optional). The 
math element is not closed by "any element in the HTML namespace" - it's 
closed by the start tags listed in 
http://whatwg.org/html5#parsing-main-inforeign ("b", "big", etc) 
(assuming it's not inside foreignObject etc).

Philip Taylor
Received on Thursday, 5 November 2009 08:46:49 UTC

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