anchor.diff:  @Option(names = "-x", description = "number of repetitions")
   @Field int count;
   
  -@Option(names = ["-h", "--help"], usageHelp = true, description = "print this help message and exit")
  +@Option(names = ["-h", "--help"], usageHelp = true,
  +  description = "print this help message and exit")
   @Field boolean helpRequested;
   
   //if (helpRequested) { // not necessary: PicocliBaseScript takes care of this
  
positive.code: 
  [source,kotlin]
  ----
  class Args {
      @field:Option(names = arrayOf("-h", "--help"), usageHelp = true,
                     description = arrayOf("Print this help and exit"))
      var helpRequested = false;
  }
  ----
  (Kotlin https://blog.jetbrains.com/kotlin/2017/06/early-access-program-for-kotlin-1-2-has-been-started/[1.2 may support] array literals like `names = ["-h", "--help"]` in annotations.)
  
negative.code:   description = Array("@|bold Scala|@ @|underline picocli|@ example"))
  class MyApp extends Runnable {
  
    @Option(names = Array("-c", "--count"), paramLabel = "COUNT",
      description = Array("the count"))
    private val count: Int = 0
  
    @Option(names = Array("-h", "--help"), usageHelp = true,
      description = Array("print this help and exit"))
    private val helpRequested: Boolean = false
  
    @Option(names = Array("-V", "--version"), versionHelp = true,
      description = Array("print version info and exit"))
    private val versionRequested: Boolean = false
  
    def run() : Unit = {
  