anchor.diff:  
       /// Determines if a regular vector is an empty vector. Note that an
       /// empty regular vector is *not* the same thing as an empty array.
  -    let inline isEmpty (regVec : RegularVector) =
  +    let (*inline*) isEmpty (regVec : RegularVector) =
           // A regular vector is empty iff all of it's entries
           // are equal to the empty character set.
           regVec
  
positive.code:         | _ ->
              None
  
      //
      let (|Character|_|) regex =
          match regex with
          | CharacterSet charSet
              when CharSet.count charSet = 1 ->
              Some <| CharSet.minElement charSet
          | _ ->
              None
  
  
  // Add additional members to Regex.
  
negative.code: 
      /// Creates a new regular vector in canonical form by canonicalizing
      /// each regular expression in the given regular vector.
      let (*inline*) canonicalize (regVec : RegularVector) : RegularVector =
          Array.map Regex.Canonicalize regVec
  
  
  