public function merge(Style $style)
	{		
		if ($style->getDocument() == $this->document) {
			$this->document = $style->getDocument();
		}
		
		if ($style->getSection() == $this->section) {
			$this->section = $style->getSection();
		}
		
		if ($style->getParagraph() == $this->paragraph) {
			$this->paragraph = $style->getParagraph();
		}
		
		if ($style->getCharacter() == $this->character) {
			$this->character = $style->getCharacter();
		}
		
		return;
	}