public function addIgnoreTag($pos, $len, $prio = 0)
	{
		return $this->addTag(Tag::SELF_CLOSING_TAG, 'i', $pos, min($len, $this->textLen - $pos), $prio);
	}
public function addIgnoreTag($pos, $len, $prio = 0)
	{
		return $this->addTag(Tag::SELF_CLOSING_TAG, 'i', $pos, min($len, $this->textLen - $pos), $prio);
	}
public function addIgnoreTag ( $ pos , $ len , $ prio = 0 ) { return $ this -> addTag ( Tag :: SELF_CLOSING_TAG , 'i' , $ pos , min ( $ len , $ this -> textLen - $ pos ) , $ prio ) ; }
Add an "ignore" 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 an ignore tag