Re: @multitable with prototype row has no effect in html

[Patrice Dumas]

On Fri, Jan 13, 2023 at 11:22:14PM +0000, Gavin Smith wrote:
> 
> Something like it appears to be possible with CSS:
> 
> <table class="multitable" style="table-layout: fixed">
> <tr style="visibility: collapse">
> <td>greater than or equal to 333</td>
> <td>notequal 333</td>
> <td>relational function</td>
> </tr>
> <tr><th>Operation</th><th>Symbol</th><th>Type</th></tr>
> <tr><td>less than
> </td><td><code class="code">&lt;</code></td><td>relational infix</td></tr>
> <tr><td>less than or equal to</td><td><code 
> class="code">&lt;=</code></td><td>relational infix</td></tr>
> <tr><td>equality (syntactic)</td><td><code 
> class="code">=</code></td><td>relational infix</td></tr>
> </table>
> 
> although the prototype row was not strictly observed in the testing
> I did in Chromium - columns could be wider than needed in the text in
> the prototype row, so I am not sure what affect if any the
> "table-layout: fixed" setting is having.
> 
> "Table and column widths are set by the widths of table and col
> elements or by the width of the first row of cells. Cells in subsequent
> rows do not affect column widths."
> 
> https://developer.mozilla.org/en-US/docs/Web/CSS/table-layout
> 
> The "visibility: collapse" setting means the row is invisible and does
> not take up any space, but still affects the table layout and column widths.

It seems that the portability of "visibility: collapse" and
implementation is not good, and that it would be better to use
display: none
https://developer.mozilla.org/en-US/docs/Web/CSS/visibility

> I doubt this will be much use, anyway, as we want the output to look good
> without CSS.

I propose to generate that code only if a customization variable is set,
named: MULTITABLE_PROTOTYPE_WITH_CSS

-- 
Pat