LispEngine.Lexing.Scanner.isInitial C# (CSharp) Method

        private bool isInitial()
        {
            return isLetter() || isSpecialInitial();
        }

 private static bool matchSymbol(Scanner s)
 {
     if (!s.isInitial())
         return false;
     s.readChar();
     while (s.isSubsequent())
         s.readChar();
     return true;
 }