anchor.diff:  
   
   == Advanced Usage Help Customization
  -=== Option List with Custom Layout
  -
  +=== Custom Layout
  +=== Table and Columns
  +=== Option Renderer
  +=== Parameter Renderer
  +=== Param Label Renderer
   
   
   == Subcommands
  
positive.code: Some annotated fields in the below example class have a `paramLabel` attribute and others don't:
  [source,java]
  ----
  class ParamLabels {
      @Option(names = "-f",    paramLabel = "FILE", description = "a file")      File f;
      @Option(names = "-n",    description = "a number option")                  int number;
  
negative.code:       port2range              destination port range
        files                   files to transfer
  ----
  
  
  == Customizing Usage Help
  === Unsorted Option List
  === Show Default Values
  === Abbreviated Synopsis
  === Custom Synopsis
  === Command Header and Description
  