/* 18.6 Calculation Chain */
function parse_cc_xml(data, opts) {
	var d = [];
	if(!data) return d;
	var l = 0, i = 1;
	(data.match(tagregex)||[]).forEach(function(x) {
		var y = parsexmltag(x);
		switch(y[0]) {
			case '<?xml': break;
			/* 18.6.2  calcChain CT_CalcChain 1 */
			case '<calcChain': case '<calcChain>': case '</calcChain>': break;
			/* 18.6.1  c CT_CalcCell 1 */
			case '<c': delete y[0]; if(y.i) i = y.i; else y.i = i; d.push(y); break;
		}
	});
	return d;
}

function write_cc_xml(data, opts) { }
