Resend: will adding <info> to HTML tables break your XML editors?

[Scott Hudson <scott.hudson@flatironssolutions.com>]

To all of the vendors supporting DocBook (and that plan to support 
DocBook v5.0):

In the November DocBook TC meeting, I proposed adding the <info> element 
to DocBook tables that use HTML markup in order to associate metadata 
with the tables.  In RelaxNG, this would be the non-title version of <info>.

The CALS table markup allows <info>, but that table model is
interpreted as allowing extra elements outside of <tgroup>.
HTML tables don't use <tgroup>.

The question we are concerned with, is will this addition
break editing tools that work with HTML tables?

We should point out that the DocBook HTML table model already
does not follow the strict XHTML table definition, as DocBook
elements are allowed in <td>...

A straw poll on the TC had 5 in favor and 2 abstentions. If this
will indeed break your tool for DocBook 5 support, we need to know,
as we will likely approve this in the next TC meeting otherwise.

We would also like to know which tools could support this, as the
majority of the TC felt that metadata for tables would be very
useful.

Thanks and best regards,

--Scott
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