[HTML5] [html] Elements within "title"?

Lachlan Hunt lachlan.hunt at lachy.id.au
Thu Mar 8 17:41:05 PST 2007

Steven Pemberton wrote:
> The title element gives metadata about the document. In XHTML2's unified 
> treatment of metadata, the title element is considered as a shorthand for
>     <meta property="title">Your title text here</meta>
> But the meta element *can* contain other elements, so if you need to 
> have a title with elements, then that is the place to put it:

If that's the case, then why doesn't XHTML2 just make the content model 
of <title> and <meta> the same?  Why confuse authors by requiring that 
they use a completely different element if they want to include markup 
within it?

Where in the XHTML2 spec does it actually define the UA conformance 
requirements for treating <title> as shorthand for that <meta> element, 
or vice versa?

It states [1]:

| The title of a document is metadata about the document, and so a title
| like <title>About W3C</title> is equivalent to <meta about=""
| property="title">About W3C</meta>.

But neither that statement, nor any others I could find, include any 
conformance criteria.

Which takes precedence if both are specified, and they differ?  In fact, 
which takes precedence if an author inclueds 2 or more title elements?

Besides, allowing markup in titles at all seems to ignore the fact that 
most uses for title are limited to plain text, and thus not useful.

[1] http://www.w3.org/TR/xhtml2/mod-document.html#sec_7.3.

Lachlan Hunt

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