select-optgroup-dir-invalidation-ref.html - mozsearch

firefox-main/testing/web-platform/tests/html/rendering/widgets/the-select-element/select-optgroup-dir-invalidation-ref.html

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<!DOCTYPE html>

<meta charset="utf-8">

<title>Select rendering invalidation when the selected option's optgroup dir changes (reference)</title>

<select><optgroup dir="rtl"><option>abc!</option></optgroup></select>