[whatwg] Bug in "Before DOCTYPE name state"?

Thu Dec 21 08:55:45 PST 2006

On Thu, 21 Dec 2006 11:08:51 +0100, Thomas Broyer <t.broyer at gmail.com>  
wrote:

> Before DOCTYPE name state:
> http://www.whatwg.org/specs/web-apps/current-work/#before1
> """
> ↪ U+0061 LATIN SMALL LETTER A through to U+007A LATIN SMALL LETTER Z
>     Create a new DOCTYPE token. Set the token's name name to the
> uppercase version of the current input character (subtract 0x0020 from
> the character's code point), and mark it as being in error. Switch to
> the DOCTYPE name state.
> """
>
> DOCTYPE name state
> http://www.whatwg.org/specs/web-apps/current-work/#doctype1
> """
> ↪ U+0061 LATIN SMALL LETTER A through to U+007A LATIN SMALL LETTER Z
>     Append the uppercase version of the current input character
> (subtract 0x0020 from the character's code point) to the current
> DOCTYPE token's name. Stay in the DOCTYPE name state."""
>
> Why is the DOCTYPE marked "in error" in the former case?
>
> In other words, why would <!DOCTYPE html> be "in error" while
> <!DOCTYPE Html> wouldn't?
>
> My guess is that it's a bug in the "Before DOCTYPE name state".

It's not. The "DOCTYPE name state" also has this paragraph: "Then, if the  
name of the DOCTYPE token is exactly the four letters "HTML", then mark  
the token as being correct. Otherwise, mark it as being in error."

-- 
Anne van Kesteren
<http://annevankesteren.nl/>
<http://www.opera.com/>