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Subject: Re: [office] Recommendation to deprecate the is-subtable attribute


my understanding of the request is that the use of the is-subtable 
attribute defined in section 8.2.6 should be deprecated, but not sub 
tables in general.

The reason is that, if this attribute is used in combination with 
sub-tables to represent merged cells, that these tables are not accessible.

I do understand that argument, and therefore support the request to 
deprecate the attribute. What I'm wondering is whether we should 
deprecate the attribute in general, or whether we should only deprecate 
the use of this attribute for the purpose of merging cells.

What the attribute does is to visually merge nested tables into the 
surrounding table. If we consider this to be a reasonable feature, then 
we should only deprecate the use of this feature to represent merged 
cells. If we think no one ever needs this feature, then we may deprecate 
it in general. I actually have a slight preference for the first option, 
and my (maybe wrong) impression is that this is actually what is 
requested by the A11y SC.

BTW: OOo has been adapted recently to support vertically merged cells 
without using nested tables. That means, it will use the 
number-rows-span attribute instead of nested tables for vertically 
merged cells in the future:


For horizontally merged cells number-of-cols-spans has been used already.

Best regards


Andreas J Guelzow wrote:
> On Tue, 2007-19-06 at 14:31 -0400, Bruce D'Arcus wrote:
>> On 6/19/07, Andreas J Guelzow <aguelzow@math.concordia.ab.ca> wrote:
>>> Based on the examples in msg00048.html, the discussion _is_ subtables
>>> per se. The proposed "solution" does not involve any subtables.
>> What about the "table 2" example?
>> The document is a little confusing.
> I am understanding the document to say that Table 2 is the deprecated
> (since "inaccessible") version. I thought Table 1 is the desired
> presentation (and that does not include a subtable).
> Andreas

Michael Brauer, Technical Architect Software Engineering
Sun Microsystems GmbH             Nagelsweg 55
D-20097 Hamburg, Germany          michael.brauer@sun.com
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