original_string: protected function _nextTaggedLine(&$tag)
      {
          $line = $this->_nextLine();
  
          // seperate tag from line
          list($tag, $line) = explode(' ', $line, 2);
  
          return $line;
      }
code: protected function _nextTaggedLine(&$tag)
      {
          $line = $this->_nextLine();
  
          // seperate tag from line
          list($tag, $line) = explode(' ', $line, 2);
  
          return $line;
      }
code_tokens: protected function _nextTaggedLine ( & $ tag ) { $ line = $ this -> _nextLine ( ) ; // seperate tag from line list ( $ tag , $ line ) = explode ( ' ' , $ line , 2 ) ; return $ line ; }
docstring: get next line and split the tag. that's the normal case for a response line
  
  @param  string $tag tag of line is returned by reference
  @return string next line
  @throws Zend_Mail_Protocol_Exception
docstring_tokens: get next line and split the tag . that s the normal case for a response line