code: func (fp *formatParser) staticCode(i int, r rune) error {
  	data := []byte(fp.format[fp.start:i])
  	fp.addStatic(data)
  	fp.start = i
  	fp.code = (*formatParser).codeCode
  	fp.next = (*formatParser).codeNext
  	fp.end = (*formatParser).codeEnd
  	return nil
  }
docs: // Called when processing a static string and a code '%' is found.