[whatwg] Content models (in particular for embedded content)

Ian Hickson ian at hixie.ch
Wed Aug 20 02:49:58 PDT 2008

On Wed, 14 Mar 2007, Lachlan Hunt wrote:
>   The spec currently defines most embedding elements (img, iframe, 
> embed, object, video and canvas) as strictly inline level and thus only 
> allows them to be used in contexts where strictly inline level content 
> may be used.
> I think these elements should be defined as structured inline-level 
> elements. When used in block level contexts, they should represent 
> paragraphs.
> The specific use case I have come across which requires this is 
> something like the following.  (Although, the site I'm currently 
> building is HTML4 and using <div id="header"> instead.)
> <header>
>     <h1><img src="/images/logo" alt="Company Name"></h1>
>     <object data="flash"></object>
> </header>
> In this particular case, it doesn't make sense to add an extra <p> or 
> <div> around the object just to get around the contextual usage 
> restriction.
> HTML4 currently allows object and iframe to be used where block level 
> elements are allowed, and I don't think HTML5 should restrict that.

This is all now allowed.

On Tue, 13 Mar 2007, Andrew Fedoniouk wrote:
> I would add to the list also <select type="list">, <textarea>, 
> <richtext> - all active elements that are mutiline by their nature.

This will be too.

On Sun, 8 Apr 2007, Henri Sivonen wrote:
> It might make sense to allow <figure> as struct inline. The interaction 
> with <p> parsing in text/html would require research.

On Sun, 8 Apr 2007, Henri Sivonen wrote:
> Anne says <figure> should work as a child of <p> as far as text/html 
> parsing goes.

I'm not convinced that this is worth it. <figure> is basically a paragraph 
replacement, why would it be _in_ a paragraph?

Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
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