1793         # containing "$$" so let's try to find the first valid-looking

  1793         # containing "$$" so let's try to find the first valid-looking

  1794         # prompt to start parsing. Sadly, we also can't rely on

  1794         # prompt to start parsing. Sadly, we also can't rely on

  1795         # choices containing spaces, ASCII, or basically anything

  1795         # choices containing spaces, ASCII, or basically anything

  1796         # except an ampersand followed by a character.

  1796         # except an ampersand followed by a character.

  1797         m = re.match(br'(?s)(.+?)\$\$([^$]*&[^ $].*)', prompt)

  1797         m = re.match(br'(?s)(.+?)\$\$([^$]*&[^ $].*)', prompt)

  1798         msg = m.group(1)

  1801         msg = m.group(1)

  1799         choices = [p.strip(b' ') for p in m.group(2).split(b'$$')]

  1802         choices = [p.strip(b' ') for p in m.group(2).split(b'$$')]

  1800 

  1803 

  1801         def choicetuple(s):

  1804         def choicetuple(s):

  1802             ampidx = s.index(b'&')

  1805             ampidx = s.index(b'&')