1.3 Issue: Allow <tgroup> With <fig>/Allow

[ekimber <ekimber@reallysi.com>]

There are cases where tables are used to achieve purely graphical effects in
what are semantically figures (for example, using a table to create a form),
where the table could be replaced by the equivalent graphic.

I can't see any reason not allow <tgroup> within <fig> to handle this case.
<fig> already allows <simpletable>, so there's a precendent. But
<simpletable> is not sufficient to satisfy the general requirement for using
tables for graphical effects (it doesn't allow spanning). Semantically,
<tgroup> and <simpletable> are equivalent in that they are untitled
containers of rows, differing only in the sophistication of how they can be
configured.

By the same token, <table> should allow <figgroup>, <image>, <lines>, and
<pre>, which are the elements that can provide representations of tables (I
don't see a need to allow of %fig.content; within table, only things that
can reasonably provide tabular information).

This would make <fig> and <table> symmetric in recognizing that tables can
be graphics.

Cheers,

Eliot

----
Eliot Kimber | Senior Solutions Architect | Really Strategies, Inc.
email:  ekimber@reallysi.com <mailto:ekimber@reallysi.com>
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