original_string: public function normalize(Zend_Search_Lucene_Analysis_Token $token)
      {
          foreach ($this->_filters as $filter) {
              $token = $filter->normalize($token);
  
              // resulting token can be null if the filter removes it
              if ($token === null) {
                  return null;
              }
          }
  
          return $token;
      }
code: public function normalize(Zend_Search_Lucene_Analysis_Token $token)
      {
          foreach ($this->_filters as $filter) {
              $token = $filter->normalize($token);
  
              // resulting token can be null if the filter removes it
              if ($token === null) {
                  return null;
              }
          }
  
          return $token;
      }
code_tokens: public function normalize ( Zend_Search_Lucene_Analysis_Token $ token ) { foreach ( $ this -> _filters as $ filter ) { $ token = $ filter -> normalize ( $ token ) ; // resulting token can be null if the filter removes it if ( $ token === null ) { return null ; } } return $ token ; }
docstring: Apply filters to the token. Can return null when the token was removed.
  
  @param  Zend_Search_Lucene_Analysis_Token $token
  @return Zend_Search_Lucene_Analysis_Token
docstring_tokens: Apply filters to the token . Can return null when the token was removed .