[1] clarified select role(s) (@sideshowbarker著, 2017-09-26 15:12:38 +09:00) https://github.com/w3c/html-aria/commit/e0a988a162620677e6899cf87e6625eeec9663dd

[2] Combobox (Explainer) | Open UI, 2024-11-07T13:52:21.000Z https://open-ui.org/components/combobox.explainer/

[3] Combobox Proposal · Issue #924 · openui/open-ui · GitHub, 2024-11-07T13:53:57.000Z https://github.com/openui/open-ui/issues/924