Method restoreMark

lib/css/syntax.js:2007–2010

* Restore a mark (CSS Syntax §3 "restore a mark") — pop the last mark and * rewind the cursor to it. The rewound span is re-tokenized on the next read; * already-fired comments are not re-fired (`_commentHigh`). * @returns {void}

()

	 * @returns {void}
	 */
	restoreMark() {
		this._pos = /** @type {number} */ (this._marks.pop());
		this._next = undefined;
	}

	/**
	 * Discard a mark (CSS Syntax §3 "discard a mark") — pop without rewinding.