338 def normalize_wordtree(wtree):  argument
342     def normalize(wtree):  argument
344         for part in wtree[1:-1]:
357         return [wtree[0]] + result + [wtree[-1]]
359     return normalize(wtree)
388 def wordtree_as_string(wtree):  argument
398     visit(wtree, output)
402 def unquote_wordtree(wtree):  argument
406     def unquote(wtree):  argument
408         if wtree[0] in ('', "'", '"', '\\'):
409             wtree = wtree[1:-1]
411         for part in wtree:
417     return unquote(wtree)
688         wtree, remaining = self._wordlexer.add(input, eof)
690         self._token += wordtree_as_string(wtree)