anchor.diff:        | Module _ | ActivePatternCase | Record _ | Union _ | TypeAbbreviation | Class _ -> style.UserTypes
         | Namespace _ -> style.PlainText
         | Property fromDef -> if fromDef then style.UserPropertyDeclaration else style.UserPropertyUsage
  -      | Field (fromDef,isMut) ->
  +      | Field (fromDef, isMut) ->
           if highlightMutable isMut then style.UserTypesMutable
           elif fromDef then style.UserFieldDeclaration
           else style.UserFieldUsage
   
         | Function fromDef -> if fromDef then style.UserMethodDeclaration else style.UserMethodUsage
  -      | Val (fromDef,isMut) ->
  +      | Val (fromDef, isMut) ->
           if highlightMutable isMut then style.UserTypesMutable
           elif fromDef then style.UserFieldDeclaration
           else style.UserFieldUsage
  
positive.code:     let tokenSymbol = 
        { TokenInfo = token; SymbolUse = symbol; ExtraColorInfo = extraColor }
  
      let highlightMutable b =
        b && PropertyService.Get("FSharpBinding.HighlightMutables", true)
  
      let chunkStyle =
        match tokenSymbol with
  
negative.code:     match ts with
      | IdentifierSymbol symbolUse -> 
        match symbolUse with
        | SymbolUse.Val v ->
          let isMut = 
            match v.EnclosingEntitySafe with
            | Some de -> not de.IsEnum && v.IsMutable
            | None -> v.IsMutable
          Some (symbolUse.IsFromDefinition, isMut)
        | _ -> None
      | _ -> None
    
  