lineInfo[i].context = new LineContext(null, getRuleSet("MAIN"));
lineInfo[i].context = new LineContext(null, mainSet);
	public void insertLines(int index, int lines)	{		if(lines <= 0)			return;		length += lines;		ensureCapacity(length);		int len = index + lines;		System.arraycopy(lineInfo,index,lineInfo,len,			lineInfo.length - len);		for(int i = index + lines - 1; i >= index; i--)		{			lineInfo[i] = new LineInfo();			lineInfo[i].context = new LineContext(null,				getRuleSet("MAIN"));		}	}