code: func (f *Fpdf) SetAuthor(authorStr string, isUTF8 bool) {
  	if isUTF8 {
  		authorStr = utf8toutf16(authorStr)
  	}
  	f.author = authorStr
  }
docs: // SetAuthor defines the author of the document. isUTF8 indicates if the string
  // is encoded in ISO-8859-1 (false) or UTF-8 (true).