anchor.diff:      val DoesIdentifierNeedQuotation : string -> bool
   
       /// Add backticks if the identifier is a keyword.
  +    /// A utility to help determine if an identifier needs to be quoted, this doesn't quote F# keywords.
       val QuoteIdentifierIfNeeded : string -> string
   
       /// Remove backticks if present.
  
positive.code: 
      /// Keywords paired with their descriptions. Used in completion and quick info.
      val KeywordsWithDescription : (string * string) list
  
      /// A utility to help determine if an identifier needs to be quoted, this doesn't quote F# keywords.
      val QuoteIdentifierIfNeeded: string -> string
  
      /// All the keywords in the F# language
      val KeywordNames: string list
  
negative.code:         
      [<Experimental("This FCS API is experimental and subject to change.")>]
      static member Tokenize: text: ISourceText * tokenCallback: (FSharpToken -> unit) * ?langVersion: string * ?filePath: string * ?conditionalCompilationDefines: string list * ?flags: FSharpLexerFlags * ?pathMap: Map<string, string> * ?ct: CancellationToken -> unit
  