Method historyUp

src/bsh/util/AWTConsole.java:230–239

()

	}

	private void historyUp() {
		if ( history.size() == 0 )
			return;
		if ( histLine == 0 )  // save current line
			startedLine = line.toString();
		if ( histLine < history.size() ) {
			histLine++;
			showHistoryLine();
		}
	}
	private void historyDown() {
		if ( histLine == 0 ) 
			return;