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Re: [webcomponents] Template element parser changes => Proposal for adding DocumentFragment.innerHTML

From: James Graham <jgraham@opera.com>
Date: Wed, 09 May 2012 10:39:37 +0200
Message-ID: <4FAA2D49.7030000@opera.com>
To: public-webapps@w3.org
On 05/09/2012 10:16 AM, James Graham wrote:
> On 05/09/2012 09:52 AM, Henri Sivonen wrote:
>> On Tue, Apr 24, 2012 at 6:39 AM, Rafael Weinstein<rafaelw@google.com>
>> wrote:
>>> What doesn't appear to be controversial is the parser changes which
>>> would allow the template element to have arbitrary top-level content
>>> elements.
>> It's not controversial as long as an HTML context is assumed. I think
>> it is still controversial for SVG and MathML elements that aren't
>> wrapped in an<svg> or<math> element.
>>> I'd like to propose that we add DocumentFragment.innerHTML which
>>> parses markup into elements without a context element.
>> Why should the programmer first create a document fragment and then
>> set a property on it? Why not introduce four methods on Document that
>> return a DocumentFragment: document.parseFragmentHTML (parses like
>> <template>.innerHTML), document.parseFragementSVG (parses like
>> <svg>.innerHTML), document.parseFragmentMathML (parses like
>> <math>.innerHTML) and document.parseFragmentXML (parses like innerHTML
>> in the XML mode without namespace context)? This would avoid magic for
>> distinguishing HTML<a> and SVG<a>.
> I think introducing four seperate methodsWithLongNames on document is
> not creating an API that authors will actually use. Instead it would
> likely be wrapped in some less-verbose API with a single entry point and
> library-specific magic and regexp to determine which entry point to use.
> So I fear this solution may just be punting the problem to a higher
> layer, where it will be more inconsistently solved.

By way of a concrete-strawman (or whatever it is one is supposed to say) 

document.parse(string, ["auto"|"html"|"svg"|"mathml"|"xml"])

With "auto" being the default and doing magic, and the other options 
allowing one to disable the magic.
Received on Wednesday, 9 May 2012 08:40:09 UTC

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