13     extended = set()
18             extended.add(c)
19     extended = sorted(extended)
20     return bytes(base), extended
48 def insertion_unsort(str, extended):  argument
53     for c in extended:
118     base, extended = segregate(text)
119     deltas = insertion_unsort(text, extended)
120     extended = generate_integers(len(base), deltas)
122         return base + b"-" + extended
123     return extended
127 def decode_generalized_number(extended, extpos, bias, errors):  argument
134             char = ord(extended[extpos])
145             raise UnicodeError("Invalid extended code point '%s'"
146                                % extended[extpos-1])
157 def insertion_sort(base, extended, errors):  argument
163     while extpos < len(extended):
164         newpos, delta = decode_generalized_number(extended, extpos,
190         extended = str(text, "ascii").upper()
193         extended = str(text[pos+1:], "ascii").upper()
194     return insertion_sort(base, extended, errors)