if(textArea.getLineLength(caretLine) == 0) { view.getToolkit().beep(); return; }
	public void actionPerformed(ActionEvent evt)	{		JEditTextArea textArea = getView(evt).getTextArea();		int caretLine = textArea.getCaretLine();		int start = caretLine;		int end = caretLine;		while(start >= 0)		{			if(textArea.getLineLength(start) == 0)				break;			else				start--;		}		while(end < textArea.getLineCount())		{			if(textArea.getLineLength(end) == 0)				break;			else				end++;		}		textArea.select(textArea.getLineStartOffset(start + 1),			textArea.getLineEndOffset(end - 1) - 1);	}