code: function switchToRelative() {
  		$this->FindEndTag();
  		// Save info
  		$this->rel_Txt = &$this->Txt;
  		$this->rel_PosBeg = $this->PosBeg;
  		$this->rel_Len = $this->GetLen();
  		// Change the univers
  		$src = $this->GetSrc();
  		$this->Txt = &$src;
  		// Change positions
  		$this->_ApplyDiffToAll(-$this->PosBeg);
  	}
docs: Useful to save time in search and replace.