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Re: Inconsistancy in HTML 4.01 Transitional DTD and specification

From: Ian Jacobs <ij@w3.org>
Date: Fri, 24 Dec 1999 13:29:04 -0500
Message-ID: <3863BB70.651CC153@w3.org>
To: Morten Wang <warnckew@online.no>
CC: www-html-editor@w3.org
Morten Wang wrote:

Hello Morten,

The HTML WG has decided to change the type to %Length; to
allow for percentage values. This means that it will remain
CDATA. Thank you for bringing this to our attention.

 - Ian

 
> Greetings,
> 
> may I point your attention to
> <URL: http://lists.w3.org/Archives/Public/www-html/1999Feb/0027.html>
> 
> the date of said post is 1999-02-09, pointing out the apparent
> inconsistancy between table cell widths as defined in the HTML 4.0
> spec and the HTML 4.0 Transitional DTD.
> 
> reading through the proposed HTML 4.01 specification and Transitional
> DTD I find that this inconsistancy is still found.
> 
> the HTML 4.01 Transitional DTD defines TH/TD as:
> 
> <!ATTLIST (TH|TD)                      -- header or data cell --
> [snip]
> 
> width       %Pixels;       #IMPLIED  -- width for cell --
> 
> [snip]
> >
> 
> the entity %Pixels is still defined as:
> 
> <!ENTITY % Pixels "CDATA" -- integer representing length in pixels -->
> 
> but the specification says:
> 
>     width = pixels [CN]
> 
> where "pixels" is defined as:
> 
>     1.Pixels: The value (%Pixels; in the DTD) is an integer that
>       represents the number of pixels of the canvas (screen,
>       paper). Thus, the value "50" means fifty pixels.
> 
> but, since the transitional DTD uses CDATA instead of NUMBER even _this_
> validates, even though the specification should be clear that only pixel
> values are allowed:
> 
>     <td width="anythinggoesinhere!">
> 
> do I have any hope of seeing this changed?  it's fairly difficult to try
> to convince newcomers that percentage widths in table cells is incorrect
> when it validates.
> 
> Morten!
> 
> --

-- 
Ian Jacobs (jacobs@w3.org)   http://www.w3.org/People/Jacobs
Tel/Fax:                     +1 212 684-1814
Cell:                        +1 917 450-8783
Received on Friday, 24 December 1999 13:29:14 GMT

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