public function addStartTag($name, $pos, $len, $prio = 0)
	{
		return $this->addTag(Tag::START_TAG, $name, $pos, $len, $prio);
	}
public function addStartTag($name, $pos, $len, $prio = 0)
	{
		return $this->addTag(Tag::START_TAG, $name, $pos, $len, $prio);
	}
public function addStartTag ( $ name , $ pos , $ len , $ prio = 0 ) { return $ this -> addTag ( Tag :: START_TAG , $ name , $ pos , $ len , $ prio ) ; }
Add a start tag

@param  string  $name Name of the tag
@param  integer $pos  Position of the tag in the text
@param  integer $len  Length of text consumed by the tag
@param  integer $prio Tag's priority
@return Tag
Add a start tag