hello,
this pdf file created with Adobe InDesign, alot of elements are missing, also wrong color are displaying:
http://tal-ram.co.il/images/products/orders/14265798291.pdf

![viewer](https://cloud.githubusercontent.com/assets/1198143/6713275/f88ae242-cd99-11e4-8202-fdb5dc4b132e.png)

![org](https://cloud.githubusercontent.com/assets/1198143/6713312/24d83ff2-cd9a-11e4-82e7-647ad5440a64.png)

assert(typeof str === "string", "Invalid argument for stringToBytes");
  const length = str.length;
  const bytes = new Uint8Array(length);
  for (let i = 0; i < length; ++i) {
    bytes[i] = str.charCodeAt(i) & 0xff;
  }
  return bytes;
}
/**
 * Gets length of the array (Array, Uint8Array, or string) in bytes.
 * @param {Array<any>|Uint8Array|string} arr
 * @returns {number}
 */
function arrayByteLength(arr) {
  if (arr.length !== undefined) {
    return arr.length;
  }
  assert(arr.byteLength !== undefined, "arrayByteLength - invalid argument.");
  return arr.byteLength;
}
/**
 * Combines array items (arrays) into single Uint8Array object.
 * @param {Array<Array<any>|Uint8Array|string>} arr - the array of the arrays
 *   (Array, Uint8Array, or string).
 * @returns {Uint8Array}
 */
function arraysToBytes(arr) {