message: Add test for \u2028 and \u2029 pretty-printing
diff: @@ -660,6 +660,22 @@ describe("printer", function () {
  );
  });
  + it("pretty-prints U+2028 and U+2029 as Unicode escapes", function () {
  + const ast = parse('"\\u2028";');
  + const printer = new Printer();
  + assert.strictEqual(
  + printer.printGenerically(ast).code,
  + '"\\u2028";',
  + );
  +
  + const ast2 = parse('"\\u2029";');
  + const printer2 = new Printer();
  + assert.strictEqual(
  + printer2.printGenerically(ast2).code,
  + '"\\u2029";',
  + );
  + });
  +
  it("should print block comments at head of class once", function () {
  // Given.
  const ast = parse(
  