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Re: Formal definition of HTML5 (was Re: Version information)

From: Bruce Boughton <bruce@bruceboughton.me.uk>
Date: Sun, 15 Apr 2007 11:18:44 +0100
Message-ID: <4621FC04.1060308@bruceboughton.me.uk>
To: Henri Sivonen <hsivonen@iki.fi>
CC: HTML WG <public-html@w3.org>

Henri Sivonen wrote:
> On Apr 15, 2007, at 13:02, Henri Sivonen wrote:
>
>> A na´ve layout data structure would be proportional to the number of 
>> slots, but real-world UAs have to do something to avoid using that 
>> na´ve layout data structures or, alternatively, be sure to clamp down 
>> the permissible size of the table in terms of slots.
>>
>> (FWIW, Gecko has magic max values for rowspan and colspan and, 
>> according to the comments in the Gecko source code, Opera and IE have 
>> the same magic max value for colspan. It appears that WebKit does not 
>> have such magic values.)
>
> And I am not implying that the layout data structures of Gecko, Opera 
> and IE are na´ve. I don't know where the shared colspan max came from. 
> The Gecko rowspan max comes from the size of an 
> implementation-specific bitfield.
>
> --Henri Sivonen
> hsivonen@iki.fi
> http://hsivonen.iki.fi/
>
>

Thanks for clearing that up, Henri!

It doesn't appear as if the spec places any limits on table size[1]. 
Perhaps this is something that should be spec'ed?

Bruce

[1] http://www.whatwg.org/specs/web-apps/current-work/#tabular
Received on Sunday, 15 April 2007 10:19:26 UTC

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