MediaWiki Talk:Gadget-StickyTableHeaders.css
But the real problem comes in when Chrome (or any standards-compliant browser) parses that HTML. Because the first row is made entirely of
<th>
cells, the browser wraps a <thead>
around that row. The second row, being that it only contains body cells, goes into <tbody>
. Which means that the <thead>
and <tbody>
are not discrete, because the middle cell occupies both. That's invalid. And since the gadget manipulates the <thead>
block of the table, when it's enabled the rendering of that invalid structure breaks.
In the HTML, the table can be corrected by converting the <th rowspan=2>
into <td rowspan=2>
. When that's done, there are no longer any pure header rows in the table, so the table is parsed as having an empty <thead>
and the entire structure in the <tbody>
. That's perfectly valid, and displays correctly even with the gadget enabled:
<div class="