docstr: Decode an escape-encoded symbol
docstr_tok: ["Decode","an","escape-encoded","symbol"]
code: def decode_symbol(cls, symbol):
      """Decode an escape-encoded symbol"""
      s = ""
      in_escape = False
      for c in symbol:
          if in_escape:
              in_escape = False
              s += c
          elif c == "\\":
              in_escape = True
          else:
              s += c
      return s
  
imports: import re
label_desc: Use image node_id 5 for calling the FilterPredicate obj's underlying member method code with example usage: obj.decode_symbol(cls, symbol) and returns: s