original_string: public function addCss($path,$priority=5,$group='head',$slot=null) {
  		$this->add($path,'css',$group,$priority,$slot);
  	}
code: public function addCss($path,$priority=5,$group='head',$slot=null) {
  		$this->add($path,'css',$group,$priority,$slot);
  	}
code_tokens: public function addCss ( $ path , $ priority = 5 , $ group = 'head' , $ slot = null ) { $ this -> add ( $ path , 'css' , $ group , $ priority , $ slot ) ; }
docstring: add a css asset
  @param string $path
  @param int $priority
  @param string $group
  @param null $slot
docstring_tokens: add a css asset