original_string: private function step0()
      {
          if ( ($position = $this->search(array("'s'", "'s", "'"))) !== false) {
              $this->word = Utf8::substr($this->word, 0, $position);
          }
      }
code: private function step0()
      {
          if ( ($position = $this->search(array("'s'", "'s", "'"))) !== false) {
              $this->word = Utf8::substr($this->word, 0, $position);
          }
      }
code_tokens: private function step0 ( ) { if ( ( $ position = $ this -> search ( array ( "'s'" , "'s" , "'" ) ) ) !== false ) { $ this -> word = Utf8 :: substr ( $ this -> word , 0 , $ position ) ; } }
docstring: Step 0
  Remove ', 's, 's'
docstring_tokens: Step 0 Remove s s