A [table]({{path './table' }}) whose `<thead>` uses `[colspan]` to group columns under a shared header.

> **ⓘ Notice**
> A `[colspan]`-ed cell never pins, even when it is a row's first child — otherwise it would overlap the columns beneath it.

> **ⓘ Notice**
> A row's first column can only pin if it is a `<th>`, because that is explicit definition for cell in a column that labels it's rows.

Scroll the table horizontally to confirm.

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