Paul Trowbridge 41e76978f4 Let a blank tree label take the click as well as draw the caret ...

The class fix rendered the `+` but the node still would not open, and the
caret did not light on hover. `tbody th:empty { pointer-events: none }`
makes the padding cells left of a tree label inert, and a label cell whose
group key is null or "" is `:empty` too — its caret is a `::before`, which
does not count as content — so the cell received no pointer events at all.

Exclude the tree classes from that rule. `row-hover.css` reads `:empty` the
same way in six border selectors; those are a hover tint, left alone.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

2026-09-22 00:19:15 -04:00

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