Symtree Compile Options
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By default, Symtree compiles to be a basic dictionary.
Elements are lowercase letters. Upper case letters are
converted to lowercase. Delimiter elements are 
non-alpha characters.


__PRESERVE_CASE
 
  This compiler option will preserve the case of symbols
  (in this case words). So 'John' would be a different
  symbol than 'john'.

__DOT_ATOM

  Extends elements to include '-' and '.'. This would allow
  the storage of domain names in the symbol tree (although
  you would not be able to store full URLs). URLs will be 
  available in a future version. For now, __HEX can be used
  to store any type of data

__HEX

  Elements of a symbol are only the characters [0-9] and
  [A-F]. Lowercase letters [a-f] will be treated as though
  they are [A-F].

  You can convert any data to hexadicimal, hence the __HEX
  option is a great mulipurpous option.