function createTextChunks(acc, line, i) {
  if (i > 0) {
    acc.push('\n', '');
  }
  acc.push(line, '');
  return acc;
}
@param {Array<string>} acc Accumulator.
@param {string} line Line of text.
@param {number} i Index
@return {Array<string>} Accumulator.