Function insertComment

lib/html/syntax.js:4853–4856

(data, start, end, place)

	 * @param {InsertionPlace=} place explicit insertion place
	 */
	const insertComment = (data, start, end, place) => {
		const p = place || appropriatePlace();
		insertAtPlace(p, { type: NodeType.Comment, data, start, end });
	};

	const insertHtmlElement = (
		/** @type {string} */ tagName,