if (debug) z.reportln( "RXTXPort:setOutputBufferSize( " + size + ") returned");
	public void setOutputBufferSize( int size )	{		if (debug)			System.out.println(System.currentTimeMillis() + ": " + "RXTXPort:setOutputBufferSize( " +					size + ")");		if( size < 0 )			throw new IllegalArgumentException			(				"Unexpected negative buffer size value"			);		else OutputBuffer=size;	}