anchor.diff:  open YC.ReSharper.AbstractAnalysis.LanguageApproximation.ConstantPropagation
   open Microsoft.FSharp.Collections
   open YC.ReSharper.AbstractAnalysis.Languages
  -open Yard.Examples.MSParser
  +//open Yard.Examples.MSParser
   
   type SupportedLangs =
       | Calc
  
positive.code:     | JSON
  
  type Processor(file) =
      let defLang (n:ITreeNode) =
          match n with 
          | :? IInvocationExpression as m ->
  
negative.code:             | Calc.AbstractParser.RNGLR_EOF (l,br) -> e "EOF" l br
              | Calc.AbstractParser.ERROR (l,br) -> e "ERROR" l br
              | Calc.AbstractParser.MULT (l,br) -> e "MULT" l br
  //        
          let addErrorJSON tok = 
              let e t l (brs:array<AbstractLexer.Core.Position<#ITreeNode>>) = 
                  calculatePos brs 
  