anchor.diff:  and [<AllowNullLiteral>] RegExpObject = 
     inherit CO
   
  +  [<DefaultValue>]
     val mutable RegExp : Regex
     val Global : bool
   
  
positive.code:   new (env, pattern, options, global') as this =
      {
        inherit CO(env, env.Maps.RegExp, env.Prototypes.RegExp)
        RegExp = null
        Global = global'
      }
      then
  
negative.code:   inherit CommonObject(env, env.Maps.Base, env.Prototypes.Date)
  
    static let offset = (new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)).Ticks
    static let tickScale = 10000L
  
    [<DefaultValue>]
    val mutable Date : DateTime
  
    do 
  