code: def prefix_decode_all(ls):
      """Decompresses a list of strings compressed by prefix_encode()."""
  
      last = u("")
      for w in ls:
          i = ord(w[0])
          decoded = last[:i] + w[1:].decode("utf-8")
          yield decoded
          last = decoded
  
file_path: whoosh/src/whoosh/util/text.py
imports: import codecs, re
  from whoosh.compat import string_type, u, byte
label_desc: Use image node_id 4 for calling a global function with example usage: prefix_decode_all(ls) without return types