code: func FprintZipData(dest *bytes.Buffer, zipData []byte) {
  	for _, b := range zipData {
  		if b == '\n' {
  			dest.WriteString(`\n`)
  			continue
  		}
  		if b == '\\' {
  			dest.WriteString(`\\`)
  			continue
  		}
  		if b == '"' {
  			dest.WriteString(`\"`)
  			continue
  		}
  		if (b >= 32 && b <= 126) || b == '\t' {
  			dest.WriteByte(b)
  			continue
  		}
  		fmt.Fprintf(dest, "\\x%02x", b)
  	}
  }
docs: // FprintZipData converts zip binary contents to a string literal.