code: function switchToNormal() {
  		// Save info
  		$src = $this->GetSrc();
  		$this->Txt = &$this->rel_Txt;
  		$x = false;
  		$this->rel_Txt = &$x;
  		$this->Txt = substr_replace($this->Txt, $src, $this->rel_PosBeg, $this->rel_Len);
  		$this->_ApplyDiffToAll(+$this->rel_PosBeg);
  		$this->rel_PosBeg = false;
  		$this->rel_Len = false;
  	}
docs: To use after switchToRelative(): save modificatin to the normal contents and update positions.