click(new XPath("/HTML[1]/BODY[1]/DIV[1]/DIV[2]/DIV[1]/DIV[2]/DIV[1]/DIV[2]/DIV[1]/DIV[1]/DIV[2]/DIV[1]/DIV[1]/DIV[1]/DIV[1]/DIV[2]/DIV[1]/DIV[1]/DIV[1]/DIV[1]/DIV[1]/DIV[2]/DIV[1]/SPAN[1]/SPAN[2]/#text[1]"));
..or
var foo = document.evaluate("/HTML[1]/BODY[1]/DIV[1]/DIV[2]/DIV[1]/DIV[2]/DIV[1]/DIV[2]/DIV[1]/DIV[1]/DIV[2]/DIV[1]/DIV[1]/DIV[1]/DIV[1]/DIV[2]/DIV[1]/DIV[1]/DIV[1]/DIV[1]/DIV[1]/DIV[2]/DIV[1]/SPAN[1]/SPAN[2]/#text[1]", document, null, XPathResult.ANY_TYPE,null);
Result to:
[Exception... "The expression is not a legal expression." code: "51" nsresult: "0x805b0033 (NS_ERROR_DOM_INVALID_EXPRESSION_ERR)" location: "chrome://chickenfoot/content/chickenscratch.js Line: 2"]
Firefox 3.6, XPath generated by Chickenfoot's XPath generator at GMail's button 'Older'.
What is this kind of XPath and why it is broken?