[whatwg] [WA1] Title Element Content Model

Lachlan Hunt lachlan.hunt at lachy.id.au
Sat Apr 9 00:23:55 PDT 2005

Anne van Kesteren wrote:
> Lachlan Hunt wrote:
>> | In HTML (as opposed to XHTML), the title element must not contain
>> | content other than text and entities; user agents must parse the
>> | element so that entities are recognised and processed, but all other
>> | markup is interpreted as literal text.
>> I think that should be changed to state:
>>   "... but, for backwards compatibility, all other markup (such as
>>    elements and comments) should be interpreted as literal text."
> Why? Its content model is #PCDATA:

I know, so for HTML 4, current browsers shouldn't interpret markup as 
plain text and display it in the title bar, but they do.

eg.  <title><em>Hello</em> World!</title>
Will be displayed by current UAs in the title as "<em>Hello</em> 
World!", instead of just "Hello World!".

As you can see in the quote above, the current draft makes this 
incorrect behaviour a requirement by stating that:

   "user agents must parse the element so that [...] all other markup is
    interpreted as literal text."

I am only requesting that that requirement be changed from a *must* to a 
*should* for backwards compatibility, because that's what current UAs do 
now, but not what strictly conforming SGML/HTML 4 UAs are supposed do.

Lachlan Hunt
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