Function inListItemScope

lib/html/syntax.js:4927–4928

(/** @type {string} */ tagName)

	const inButtonScope = (/** @type {string} */ tagName) =>
		hasNameInScope(tagName, SCOPE_BUTTON);
	const inListItemScope = (/** @type {string} */ tagName) =>
		hasNameInScope(tagName, SCOPE_LIST_ITEM);
	const inScopeEl = (/** @type {HtmlElement} */ target) => {
		for (let i = open.length - 1; i >= 0; i--) {
			const el = open[i];