docs: function parse_ArrayParsedFormula(blob, length, opts) {
  	var target = blob.l + length, len = opts.biff == 2 ? 1 : 2;
  	var rgcb, cce = blob.read_shift(len); // length of rgce
  	if(cce == 0xFFFF) return [[],parsenoop(blob, length-2)];
  	var rgce = parse_Rgce(blob, cce, opts);
  	if(length !== cce + len) rgcb = parse_RgbExtra(blob, length - cce - len, rgce, opts);
  	blob.l = target;
  	return [rgce, rgcb];
  }