FirstMisspelledWord( instring ):
	""" finds the first misspelled word in instring i.e. the first word that doesn't appear in the dictionary file."""
	pass

MisspelledWords( instring ):
	""" returns a list of all misspelled words in the text instring """
	pass

MisspelledWordIndecies( instring ):
	""" returns a list of pairs of indecies which mark the substrings which are misspelled words."""
	pass

GuessRealSpelling( inword ):
	""" returns a list of guesses as to the real spelling of the word inword."""
	pass

LearnWord( inword ):
	""" adds inword to the dictionary file."""
	pass

UnlearnWord( inword ):
	""" removes inword from the dictinary file."""
	pass