docstr: Return the current string up to the limit.
docstr_tok: ["Return","the","current","string","up","to","the","limit","."]
code: def assign_to(self):
      """
      Return the current string up to the limit.
      """
      return self.current[0 : self.limit]
  
label_desc: Use image node_id 23 for calling the BaseStemmer obj's underlying member method code with example usage: obj.assign_to() and returns: self